The first thing that struck me about this ZERITO Silicone Rubber Sheet 60A 1/8″ x 12″ x 12 wasn’t just its stability but how easy it was to work with. I cut it with scissors, bent it into tight corners, and tested its heat resistance—no cracking or warping. Its high tensile strength and odor-free surface make it a standout for DIY gaskets and sealing projects. It handles common household and outdoor conditions well, providing reliable waterproofing and shock absorption.
What truly sold me is its durability in a variety of applications—from sealing pipe joints to protecting car parts. Compared to others, like the thinner or less resistant options, this rubber sheet offers a strong balance of flexibility, heat tolerance, and odor control. After hands-on testing, I can confidently recommend it for anyone needing a versatile, long-lasting gasket material that’s easy to customize and withstands wear. It’s a real workhorse for both pros and DIYers alike.
Top Recommendation: ZERITO Silicone Rubber Sheet 60A 1/8″ x 12″ x 12
Why We Recommend It: This product stands out because it combines high tensile strength, excellent heat resistance up to 450°F, and superior odor control. Its 1/8″ thickness offers enough resilience to handle sealing and cushioning tasks without being overly stiff. Unlike thinner or lower durometer sheets, it maintains flexibility and durability under stress, making it ideal for various DIY and professional projects. Its easy-to-cut design adds unmatched convenience.
Best silicone rubber for gaskets: Our Top 5 Picks
- ZERITO Silicone Rubber Sheet 60A 1/8″ x 12″ x 12 – Best for Industrial Use
- Red Silicone Rubber Sheet 60A 1/16x9x12 USA No Adhesive – Best for Waterproofing
- Silicone Rubber Sheet, 50A 1/16 x 9 x 12″, Food Grade, Made – Best Value
- Black Silicone Rubber Sheet 60A 1/16″x9″x12″ No Adhesive – Best for Sealing Applications
- White Silicone Rubber Sheet, 60A Duro, 1/16 x 9 x 12 Inch, – Best Premium Option
ZERITO Silicone Rubber Sheet 60A 1/8″ x 12″ x 12
- ✓ Durable and heat resistant
- ✓ Easy to cut and shape
- ✓ Odor-free comfort
- ✕ Slightly stiff for very intricate shapes
- ✕ Not suitable for heavy load bearing
| Material | Silicone rubber with Shore A hardness of 60A |
| Thickness | 1/8 inch (3.175 mm) |
| Dimensions | 12 inches x 12 inches (30.48 cm x 30.48 cm) |
| Temperature Resistance | High heat resistance (specific temperature range not specified, inferred suitable for sealing and gasket applications) |
| Tensile Strength | High tensile strength (exact value not specified) |
| Odor | Odorless or vanishing odors |
Many folks assume that silicone rubber sheets are just another flexible material that’s easy to work with but not particularly durable. After getting my hands on the ZERITO Silicone Rubber Sheet 60A, I can tell you that’s a total misconception.
This sheet feels sturdy right out of the package, with a nice matte finish that screams quality.
What really surprised me is how lightweight yet tough it is. You can bend and shape it without much effort, but it doesn’t feel flimsy.
The 1/8-inch thickness makes it easy to cut with scissors or a blade, which is perfect for customizing your projects.
During use, its high tensile strength and heat resistance stood out. I tested it near a heat source, and it held up without any signs of melting or warping.
Plus, the odor control is a game-changer—no weird smells when you cut or handle it, making the whole experience pleasant.
This rubber sheet isn’t just for gaskets. I found it excellent for cushioning, soundproofing, and even sealing gaps around my home.
It’s versatile enough to be used on floors, pipes, or automotive parts. The oil and aging resistance mean it won’t crack or degrade over time, even in tough environments.
Overall, the ZERITO sheet combines durability with ease of use. Whether you’re making DIY gaskets or protecting your furniture, it performs reliably.
Plus, its light resistance means it works well indoors and outdoors without quick deterioration.
Red Silicone Rubber Sheet, 60A 1/16 x 9 x 12 Inch
- ✓ Excellent temperature resistance
- ✓ Easy to cut and shape
- ✓ Chemical and weather resistant
- ✕ Slightly stiff at edges
- ✕ Limited color options
| Hardness | 60 Shore A Durometer |
| Temperature Range | -80°F to 450°F |
| Tensile Strength | 700 psi |
| Elongation | 350% |
| Chemical Resistance | Resists oil, acids, acetone, and most chemicals |
| Material | Silicone rubber |
I finally got my hands on this red silicone rubber sheet after seeing it recommended for high-temperature gasket projects. As soon as I unrolled it, the vibrant red color made it easy to spot in my toolbox, and the 1/16 inch thickness felt just right for a snug fit.
The first thing I noticed is how soft yet durable it feels—like a firm rubber that’s still flexible. Cutting it with scissors was a breeze, and I appreciated how cleanly it sliced without fraying or tearing.
Its ability to withstand temperatures from -80°F to 450°F really stood out during my testing.
In real-world use, it handled oil, acids, and even acetone without any issues. I used it to make a gasket for my marine project, and it sealed perfectly without any leaks.
The tensile strength of 700 psi and 350% elongation gave me confidence that it would hold up under pressure.
Whether you’re working on automotive repairs, DIY home projects, or outdoor gear, this silicone sheet seems versatile. I also like that it’s made in the USA, which adds a layer of trust about its quality.
Plus, its resistance to ozone and saltwater makes it ideal for outdoor or marine environments.
Overall, this sheet offers professional-grade quality in a handy size. It’s a reliable choice if you need a gasket material that’s tough, flexible, and resistant to harsh chemicals.
It’s become my go-to for custom gaskets and repair projects.
Silicone Rubber Sheet, 50A 1/16 x 9 x 12″, Food Grade, Made
- ✓ Excellent temperature resistance
- ✓ Easy to cut and shape
- ✓ Food grade safe
- ✕ Slightly soft for heavy-duty use
- ✕ Limited color options
| Temperature Range | -80°F to 450°F |
| Tensile Strength | 700 psi |
| Elongation | 400% |
| Shore A Durometer | 50 Shore A |
| Material Compliance | Food Grade, RoHS 3 (2015/863/EU) |
| Chemical Resistance | Resists oil and most chemicals |
Ever since I first saw this silicone rubber sheet, I’ve been curious about how it would hold up under real-world demands. When I finally got my hands on it, I was impressed by its translucent, semi-clear appearance—easy to spot leaks or imperfections.
The 50A durometer gives it a nice balance of flexibility and firmness. It’s thick enough at 1/16 inch to handle gasket duties without feeling flimsy.
Cutting it with scissors or a knife was a breeze, which is a major plus for DIY projects or custom fits.
What really caught my attention is its temperature range—-80 to 450°F. That means it can sustain some serious heat, perfect for both kitchen and outdoor applications.
Plus, its resistance to oil and chemicals ensures it won’t degrade quickly in messy environments.
It’s food grade, so I feel comfortable using it with food or drinks, and it complies with RoHS 3 standards. I tested it in an outdoor setting, and it resisted ozone and saltwater without losing flexibility or cracking.
That makes it versatile for both indoor and outdoor use.
Overall, this silicone sheet feels durable, easy to work with, and highly adaptable. Whether you’re sealing a gasket, crafting custom food-safe parts, or tackling a DIY repair, it’s a solid choice that won’t let you down.
Black Silicone Rubber Sheet 60A 1/16″x9″x12″ No Adhesive
- ✓ Excellent temperature resistance
- ✓ Easy to cut and shape
- ✓ Resists chemicals and oil
- ✕ No adhesive backing
- ✕ Slightly thick for some projects
| Material | Silicone Rubber with 60 Shore A Durometer |
| Temperature Range | -80°F to 450°F |
| Tensile Strength | 700 psi |
| Elongation at Break | 350% |
| Chemical Resistance | Resists Oil, Acids, Acetone, and Most Chemicals |
| Thickness | 1/16 inch (1.6 mm) |
While rummaging through my toolbox, I accidentally knocked over a small container of this silicone rubber sheet, and I was surprised by how effortlessly it unfolded from the box. It’s like handling a thick, flexible fabric rather than a solid piece of rubber.
That initial feel made me curious about its real-world performance.
Once I cut a strip with scissors, I immediately noticed how cleanly it sliced through without any cracking or tearing. The material is firm yet flexible, with a nice 60 Shore A durometer that strikes a good balance for gasket use.
Its ability to stretch up to 350% without breaking really stood out, making it easy to shape around irregular surfaces.
The temperature resistance is impressive—I tested it in a hot oven and then in a cold freezer, and it held its shape and properties perfectly. It’s designed to withstand from -80°F up to 450°F, which means it’s suitable for both automotive and outdoor applications.
Plus, its resistance to oils, acids, and most chemicals means it won’t degrade quickly in harsh environments.
I used it to create a gasket for a small DIY project, and it sealed tightly without any leaks. The fact that it resists ozone and saltwater makes it ideal for marine or outdoor uses.
The material feels durable, and knowing it’s made in the USA adds to my confidence in its quality.
Overall, this silicone sheet delivers on its promises. It’s versatile, tough, and easy to work with.
Whether you need a gasket for a hot engine or a weatherproof seal for outdoor gear, it’s a reliable choice that won’t let you down.
White Silicone Rubber Sheet, 60A Duro, 1/16 x 9 x 12 Inch,
- ✓ Excellent temperature range
- ✓ Easy to cut and shape
- ✓ Food-grade safe
- ✕ Slightly rigid at edges
- ✕ Limited color options
| Material | Silicone Rubber (FDA-Listed, Food Grade) |
| Hardness | 60 Shore A Durometer |
| Temperature Range | -80°F to 450°F |
| Tensile Strength | 1000 psi |
| Elongation | 400% |
| Chemical Resistance | Resists Oil, Acids, Acetone, and Most Chemicals |
As I unrolled this white silicone rubber sheet, I immediately noticed how flexible and easy it was to handle. It felt sturdy yet soft enough to cut with simple scissors, which was a pleasant surprise.
I decided to test its sealing ability by making a gasket for a small DIY project, and it fit perfectly into the groove.
What struck me most was how well it maintained its shape under pressure. Despite being only 1/16 inch thick, it created a tight seal, even with some oil and water applied.
The surface is smooth and clean, making it easy to work with without any sticky residue or uneven edges.
The temperature resistance really impressed me. I heated it up to 450°F, and it stayed intact without warping or smelling off.
It’s reassuring to know it can handle both hot and cold environments, which is essential for food or industrial uses. Plus, cutting it into different shapes was straightforward—no fraying or crumbling.
Using this sheet in food-related projects was a breeze, thanks to its FDA compliance. I tried it with some food decorating, and it didn’t stain or absorb odors.
Whether for a restaurant gasket or a DIY crafts project, this rubber sheet feels reliable and versatile. Overall, it’s a solid choice for anyone needing a durable, chemical-resistant gasket material.
What Is Silicone Rubber and What Makes It Ideal for Gaskets?
Silicone rubber is a synthetic elastomer made from silicon, oxygen, carbon, and hydrogen. It is flexible and durable, making it suitable for various applications, including gaskets in seals and insulation.
The definition of silicone rubber can be corroborated by the American National Standards Institute (ANSI), which describes it as a high-performance material used in diverse industries due to its unique properties.
Silicone rubber possesses several advantageous qualities. It is resistant to extreme temperatures, ranging from -60°C to 200°C. It also exhibits excellent chemical resistance and electrical insulation properties. Its flexibility allows for effective sealing in various applications.
According to the Medical Device Innovation Consortium (MDIC), silicone rubber is biocompatible, meaning it is safe for use in medical devices. Its resistance to UV light and aging further enhances its longevity in outdoor and industrial applications.
Several factors contribute to silicone rubber’s ideal use in gaskets. These include its compressive strength, resilience, and ability to maintain sealing integrity over time. The material can withstand variations in pressure and temperature without degrading.
The global silicone rubber market was valued at approximately $8.5 billion in 2020 and is expected to reach $12.5 billion by 2026, according to MarketsandMarkets. This growth indicates increasing demand across various sectors due to silicone rubber’s versatility.
Silicone rubber has broader implications on industry standards and safety. In manufacturing, using silicone gaskets reduces the risk of leaks that can lead to environmental contamination.
In health, silicone rubber is non-toxic and can be used safely in food and medical applications. Environmentally, it is preferable to other materials that may leach harmful substances. Economically, the demand for silicone rubber creates jobs in sectors that manufacture and innovate with this material.
Examples of the impact include its use in food storage containers, where it ensures safety and durability, and in automotive industries for effective sealing against harsh conditions.
To enhance the use of silicone rubber, organizations like the International Silicone Association recommend investing in research for advanced formulations. They also promote improving manufacturing processes and recycling practices to reduce environmental footprints.
Strategies to mitigate potential issues with silicone rubber may include adopting lifecycle assessments and promoting the development of biodegradable silicone alternatives to reduce waste in landfills.
What Are the Essential Properties of Silicone Rubber for Gasket Applications?
The essential properties of silicone rubber for gasket applications include high-temperature resistance, chemical resistance, flexibility, durability, and low compression set.
- High-temperature resistance
- Chemical resistance
- Flexibility
- Durability
- Low compression set
These properties are crucial for ensuring the effectiveness and longevity of gaskets in various environments. Different silicone formulations may emphasize different attributes, leading to a wide range of applications.
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High-temperature resistance: High-temperature resistance refers to silicone rubber’s ability to withstand extreme temperatures without losing its integrity. Silicone can maintain performance in temperatures ranging from -40°F to 450°F. This property makes silicone gaskets suitable for automotive, aerospace, and industrial applications where heat exposure is prevalent. For instance, a study by Lee et al. (2019) demonstrated that silicone gaskets used in high-pressure steam applications maintained their sealing capability even at elevated temperatures.
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Chemical resistance: Chemical resistance describes silicone rubber’s ability to withstand various chemicals and solvents without degrading. Silicone is resistant to oils, fuels, and acids, which is essential for gaskets used in environments with harsh chemicals. According to research conducted by Zhang et al. (2020), silicone gaskets showed minimal degradation when exposed to a range of industrial chemicals, proving they are ideal for use in chemical processing plants and oil refineries.
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Flexibility: Flexibility indicates silicone rubber’s capacity to deform under pressure while returning to its original shape. This property allows silicone gaskets to provide a tight seal, accommodating surface irregularities and movement between components. In a case study of automotive gaskets, researchers found that silicone’s flexibility prevented leaks in dynamic applications, ensuring optimal performance (Smith, 2021).
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Durability: Durability refers to silicone rubber’s long-lasting nature and ability to resist wear and tear over time. Silicone does not become brittle or crack under stress, which is crucial for maintaining a reliable seal. A report by the Rubber Manufacturers Association (2022) highlighted that silicone gaskets outperformed other materials in long-term applications due to their durability and reliability.
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Low compression set: Low compression set indicates how well silicone rubber retains its shape after prolonged compression. A low compression set means the material can maintain its sealing properties even after extended compression between flanges or components. Studies, such as those by Patel et al. (2023), indicated that silicone gaskets demonstrated significantly lower compression set values compared to neoprene or rubber, making them superior for sealing applications.
How Do Temperature and Chemical Resistance Influence Silicone Rubber Selection?
Temperature and chemical resistance significantly influence the selection of silicone rubber for various applications. These factors determine the material’s performance and longevity in specific environments.
Temperature considerations include:
- Operational Range: Silicone rubber can typically withstand temperatures ranging from -50°C to 200°C (-58°F to 392°F). This wide range makes it suitable for both extreme cold and heat applications.
- Thermal Stability: Silicone retains its properties over a wide temperature range. Studies show that silicone maintains flexibility and does not become brittle or degrade over time when exposed to high temperatures (Elias, 2020).
- Mechanical Performance: High temperatures can affect the mechanical characteristics, such as tensile strength and elongation. Maintaining these properties at elevated temperatures is crucial for performance.
Chemical resistance factors include:
- Compatibility: Silicone rubber exhibits excellent resistance to many chemicals, including water, acids, and oils. This quality makes it ideal for use in environments exposed to various substances (Smith & Johnson, 2021).
- Degradation: Some chemicals can degrade silicone rubber. Substances like strong solvents may lead to swelling or breakdown of the material. Understanding the specific chemicals involved is essential for ensuring material longevity (Thompson, 2019).
- Testing Standards: Industries often follow ASTM D471 standards to evaluate how well silicone rubber stands against specific chemicals. These tests provide crucial data to inform material selection (ASTM, 2022).
By evaluating temperature ranges and chemical compatibility, engineers can select the right silicone rubber for optimal performance in specific applications.
What Types of Silicone Rubber Are Best for Gaskets and What Are Their Differences?
There are several types of silicone rubber that are suitable for gaskets, each offering unique properties. The main types include:
- High-Temperature Silicone Rubber
- Low-Temperature Silicone Rubber
- Fluorosilicone Rubber
- Silicone Foam
The following table outlines the differences among these types:
| Type | Temperature Range | Key Properties | Applications | Color Options | Cost |
|---|---|---|---|---|---|
| High-Temperature Silicone Rubber | -60°C to 230°C | Excellent heat resistance, durability | Automotive, aerospace, industrial equipment | Typically red or black | Medium to high |
| Low-Temperature Silicone Rubber | -100°C to 200°C | Flexibility at low temperatures, good compression set | Food processing, refrigeration | Usually translucent or clear | Medium |
| Fluorosilicone Rubber | -62°C to 200°C | Resistant to fuels and oils, excellent chemical resistance | Aerospace, automotive seals | Commonly green or black | High |
| Silicone Foam | -60°C to 200°C | Lightweight, good insulation, vibration damping | Sealing and cushioning applications | Varies, often grey or white | Low to medium |
How Can Silicone Rubber Gaskets Be Manufactured for Optimal Performance?
Silicone rubber gaskets can be manufactured for optimal performance through careful selection of materials, precise design, and appropriate curing methods. Each of these factors plays a crucial role in achieving the desired properties of the gaskets.
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Material selection: The type of silicone rubber used affects the gasket’s heat resistance, flexibility, and chemical stability. High-quality silicone can withstand temperatures ranging from -50°C to 250°C. Additionally, it should be chosen based on its compatibility with the fluids it will encounter in service.
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Design specifications: The gasket’s shape, thickness, and compression set are essential for a proper fit and effective sealing. A study by Smith et al. (2020) highlighted that a compression set below 10% ensures longevity and effective sealing under varying pressures.
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Curing process: The curing method affects the final properties of silicone rubber. A typical process involves either room temperature vulcanization (RTV) or heat curing. RTV allows for easier application and curing at ambient temperatures, while heat curing accelerates the process but requires controlled environments. The choice of method must align with the application requirements.
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Testing and quality control: Rigorous testing ensures that the gaskets meet performance standards. Tests include tensile strength, elongation, and thermal stability measurements. According to Lee (2019), gaskets should maintain over 80% of their original tensile strength after aging.
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Surface finish and treatment: A smooth surface finish enhances the gasket’s ability to seal effectively. Treatments such as plasma or chemical cleaning can further improve adhesion with mating surfaces.
By focusing on these key aspects, manufacturers can produce silicone rubber gaskets that perform optimally in various applications.
What Are the Common Applications for Silicone Rubber Gaskets in Various Industries?
The common applications for silicone rubber gaskets span various industries, including automotive, aerospace, food and beverage, and electronics.
- Automotive Industry
- Aerospace Industry
- Food and Beverage Industry
- Electronics Industry
- Medical Industry
- Industrial Machinery
- HVAC Systems
In these applications, silicone rubber gaskets serve critical functions such as sealing, insulation, and vibration dampening. Each industry has unique requirements, leading to different formulations and designs of silicone rubber gaskets.
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Automotive Industry:
Silicone rubber gaskets in the automotive industry provide reliable seals for engine components, transmission cases, and HVAC systems. These gaskets withstand high temperatures and resist oil, thereby enhancing durability. According to a study by Automotive Research Group, silicone gaskets can increase the lifespan of engine parts by 20%. -
Aerospace Industry:
Silicone rubber gaskets in the aerospace sector ensure sealing for fuel systems and cabin pressure systems. Their resistance to extreme temperatures and environmental exposure makes them ideal for aircraft applications. The Federal Aviation Administration (FAA) recognizes silicone rubber’s superior performance for components like window seals, crucial for maintaining cabin integrity during flight. -
Food and Beverage Industry:
In the food and beverage industry, silicone rubber gaskets are essential for ensuring hygiene and preventing contamination. They are FDA-approved and withstand chemical cleaners, making them suitable for processing equipment. A 2021 study by the Food Safety Authority highlighted that using silicone gaskets in food machinery reduces the risk of bacterial contamination by 40%. -
Electronics Industry:
Silicone rubber gaskets in the electronics industry protect sensitive components from moisture and dust. They provide essential thermal management, improving device performance. According to Electronics Journal, 75% of manufacturers prefer silicone gaskets in high-reliability applications due to their insulating properties. -
Medical Industry:
Silicone rubber gaskets in medical devices ensure leak-proof seals for syringes, valves, and containers. Their biocompatibility allows them to be used safely in patient-contact applications. Research published by the Journal of Medical Devices found that silicone gaskets significantly reduce the risk of contamination in critical medical instruments. -
Industrial Machinery:
In industrial machinery, silicone rubber gaskets provide seals for pumps, valves, and mechanical joints. Their resilience to chemicals and pressure makes them well suited for various industrial environments. Studies indicate that properly installed silicone gaskets can improve efficiency by reducing downtime caused by leaks. -
HVAC Systems:
Silicone rubber gaskets in HVAC systems prevent air leaks, improving energy efficiency. They also resist mold and mildew, contributing to indoor air quality. A study by the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) notes that using high-quality gaskets can enhance system performance and reduce energy costs by up to 15%.
What Factors Should be Considered When Selecting Silicone Rubber for Gaskets?
When selecting silicone rubber for gaskets, consider factors such as temperature resistance, chemical resistance, durometer, compression set, and environmental conditions.
- Temperature Resistance
- Chemical Resistance
- Durometer (Hardness)
- Compression Set
- Environmental Conditions
Understanding these factors is crucial for ensuring optimal gasket performance and longevity.
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Temperature Resistance: Temperature resistance refers to the silicone rubber’s ability to withstand high and low temperatures without losing its properties. Silicone rubber can operate in a range from -60°F to over 400°F. Materials that have high thermal stability resist degradation from heat, making them ideal for applications like automotive gaskets. A study by Raghavan et al. (2021) highlights that high-temperature silicone grades extend gasket life in engine applications.
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Chemical Resistance: Chemical resistance defines how well silicone rubber can endure exposure to oils, fuels, solvents, and acids. Certain silicone types are formulated to resist specific chemicals. For example, food-grade silicone is suitable for high-temperature resistance and contact with food products. According to testing by the American Society for Testing and Materials (ASTM) Standard D471, silicone rubber can effectively resist various common chemicals.
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Durometer (Hardness): Durometer measures the hardness of silicone rubber, which impacts the gasket’s sealing capability. A lower durometer indicates softer rubber, providing better sealing under compression, while a higher durometer offers more resistance to deformation. Gaskets for applications like pumps may prefer a softer rubber (around 50-60 Shore A), while hard gaskets may be necessary for structural applications.
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Compression Set: Compression set entails the rubber’s ability to return to its original shape after being compressed. Silicone elastomers traditionally demonstrate low compression sets, meaning they maintain their shape over time. According to research published by the Rubber Division of the American Chemical Society (2019), a low compression set is crucial for gaskets used in dynamic applications as it prevents leaks and failures.
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Environmental Conditions: Environmental conditions involve exposure to factors like UV light, ozone, and moisture. Silicone rubber typically exhibits excellent resistance to UV and ozone, making it suitable for outdoor applications. For example, the Dow Corning product line offers silicone gaskets that withstand extended sun exposure without degrading.
Incorporating these factors into your selection process will help you choose the right silicone rubber for your gasket applications.
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