Are you looking for the best silicone rubber gasket manufacturers in China? With so many options available, choosing the right one can be overwhelming. In this article, we’ll compare the top factories, highlighting their unique strengths, product ranges, and what sets them apart in the industry. Let’s dive in and find the perfect partner for your needs.

Silicone Gasket Manufacturer and Supplier in China

China All Types Silicone Gasket Manufacturer & Supplier

Product Details: Silicone gaskets are made from high-quality solid silicone rubber compounds. They are available in various hardness levels (40°, 50°, 60°, 70°, 80° Shore A) and colors (White, Red, Black, Custom). These gaskets can operate in a wide temperature range of -60°C to +200°C. They come in different shapes such as round, square, and rectangular, and are compliant with standards like ASME B16.21, DIN 1514, and JIS. Applications include food, pharmaceutical, high voltage insulation, oven gaskets, autoclave gaskets, manway gaskets, and valve cover gaskets. JinSeal also supplies closed and open cell silicone sponge and foam gaskets.

Pros:
– Excellent aging resistance, tensile strength, elongation, and tear resistance.
– Good ozone resistance and fire resistance.
– High temperature and chemical resistance.
– Flexible at low temperatures.
– Non-toxic and odorless, making them suitable for food and pharmaceutical applica…
– Available in various shapes and sizes to meet different operating conditions.

Cons:
– May not be suitable for extremely high-pressure applications compared to other m…
– Limited mechanical strength compared to reinforced materials.

Silicone Rubber Gaskets Suppliers, Manufacturers, Factory

Product Details: Silicone Rubber Gaskets are high-performance mechanical seals made from high-quality silicone gasket material. They are cut from rubber sheets or mould pressing and can be produced in any sizes and shapes. These gaskets are used to prevent leaks between different substrate sections in various applications. Key properties include a temperature range of -85°C to +215°C, hardness of 40°-80° Shore A, tensile strength of 5 MPa (min), elongation at break of 200% (min), and tear strength of 15N/mm. They are odorless, tasteless, and suitable for food applications[2].

Pros:
– Excellent weather resistance, ozone resistance, and compression set resistance
– Odorless and tasteless, suitable for food applications
– Stability in extreme environments
– Excellent shock resistance and tear resistance
– High tensile strength and elongation
– Good recovery
– Good resistance to inorganic chemical products except antioxidant agents and chl…
– Good adhesion to metal
– Good use with water

Cons:
– No specific cons mentioned for silicone rubber gaskets

China Customized Food Grade Silicone Rubber Gasket …

Product Details: Food-grade silicone rubber gaskets are made from materials that comply with FDA standards (21 CFR 177.2600) and are suitable for use in food processing, packaging, and storage. They are available in various hardness levels, measured by the Shore durometer scale, ranging from 30A to 80A. These gaskets offer a wide operating temperature range, typically from -94°F to +392°F, and can handle high temperatures up to 500°F. They are manufactured using extrusion, molding, or special cutting processes and can be made in custom sizes and shapes. They are non-toxic, odorless, and resistant to microbial growth, making them ideal for food and

beverage applications.

Pros:
– Compliant with FDA food safety regulations
– Wide operating temperature range
– Non-toxic, odorless, and resistant to microbial growth
– Excellent chemical resistance and durability
– Available in various hardness levels and custom sizes
– Good resistance against weathering, UV, and ozone deterioration

Cons:
– May be more expensive than other types of gasket materials
– Can be prone to extrusion under high pressure if not chosen with the appropriate…
– Limited tensile strength compared to some other rubber compounds

Silicone Rubber Gaskets Material

Product Details: Silicone rubber gaskets are manufactured from high-quality solid silicone rubber compounds. They feature a wide operating temperature range, maintaining flexibility and elasticity even in sub-zero temperatures. These gaskets are resistant to a variety of common chemicals and offer excellent tensile strength, elongation, tear resistance, and compression set properties. They are available in various material grades, including high quality silicone, food contact grade, fluorosilicone, glass reinforced silicone, conductive silicone, and flame retardant silicone. The gaskets are suitable for use in industrial, medical, and outdoor applications due to their resistance to fire, fungal growth, ageing, and ozone.

Pros:
– High quality material
– Wide operating temperature range
– Good weathering, UV & Ozone resistance
– Excellent sealing capabilities
– Good durability & elasticity properties
– Maintains flexibility in low temperatures
– Available in various material grades including food quality and other specialize…
– Superior resistance to chemicals, fire, and fungal growth
– Suitable for use in extreme environments and various industries

Cons:
– May require higher closure forces for mid to higher durometer ranges
– Specific applications may necessitate careful selection of the correct material…

China Silicone Rubber Gaskets Setting Blocks Seals Factory

Product Details: Silicone rubber gaskets are high-performance mechanical seals made from silicone material. They are cut from rubber sheets or produced through mould pressing and can be manufactured in various sizes and shapes. These gaskets are known for their excellent resistance to extreme temperatures, weather, ozone, and compression set. They are odorless, tasteless, and stable, making them suitable for food and pharmaceutical applications. Key properties include a temperature range of -85°C to +215°C, hardness of 40°-80° Shore A, and high tensile strength and elongation.

Pros:
– Excellent weather, ozone, and compression set resistance
– Odorless and tasteless, suitable for food applications
– High stability in extreme environments
– Excellent shock and tear resistance
– High tensile strength and elongation

Cons:
– Generally more expensive than other types of rubber gaskets
– May not be as chemically resistant as some other materials like EPDM or FKM
– Limited availability in certain custom shapes or sizes compared to other materia…

silicone gasket maker – China Factory, Suppliers, Manufacturers

Product Details: RTV silicone gasket makers are one-component, room temperature vulcanized (RTV) silicone compounds. They cure to form a tough, flexible, rubber gasket when exposed to moisture in the air. Typical applications include oil pans, valve covers, transmission pans, and other automotive components. These sealants adhere to clean metal, glass, and various other surfaces. They are available in different colors, such as black and red, and come in various packaging options like tubes and aerosol cans.

Pros:
– Forms a flexible, waterproof seal
– Resists extreme temperature fluctuations (e.g., -54°C to 260°C or -40°F to 400°F…
– Adheres to multiple surfaces including metal, glass, and some plastics
– Sensor safe and suitable for automotive applications
– Resists oil, grease, water, and fuels
– Withstands vibration and does not shrink or crack

Cons:
– Not recommended for continuous use with gasoline or fuel oil
– Paints do not adhere long term to the cured sealant
– Uncured adhesive requires specific cleaning methods (e.g., mineral spirits)
– Cured adhesive must be cut or scraped away for removal

China Silicone Gasket Manufacturers, Suppliers, Factory

Product Details: Silicone gaskets are manufactured from various types of silicone materials, including solid silicone, silicone foam, silicone sponge, and molded silicone. They are available in a wide range of colors, durometers, and chemistries, and can be made compliant with industry standards such as ASTM, AMS, MIL, UL, RoHS, REACH, FDA, and USP Class VI. These gaskets can be customized to specific needs and are used in diverse applications including medical devices, automotive, aerospace, and industrial machinery.

Pros:
– High quality material with excellent sealing capabilities
– Wide operating temperature range, often from -100°F to 500°F
– Good weathering, UV, and ozone resistance
– Excellent durability and elasticity properties
– Maintains flexibility in low temperatures
– Resistant to a wide variety of common chemicals
– Available in various grades, including FDA and food-grade silicone
– High resistance to aging, fungal growth, and fire
– Suitable for autoclaving and gamma irradiation

Cons:
– Higher durometer solid silicone gaskets require higher closure forces
– May not be as effective in applications requiring high abrasion resistance witho…
– Some grades may have limited resistance to certain fuels, oils, and solvents wit…
– Can be more expensive than other gasket materials

Silicone Rubber Gasket from China …

Product Details: Better Silicone offers high-quality Silicone Rubber Gaskets and Seals. These products are manufactured using liquid silicone rubber (LSR) and rubber compression molding techniques. The gaskets and seals are available in various forms, including rubber washers, rubber sheets, silicone O-rings, and more. They are used in diverse applications such as medical devices (e.g., medical silicone gaskets, valves, and bellows), electronic products (e.g., silicone gaskets for smart cellphones), and industrial sealing solutions (e.g., housing sealing gaskets, rubber grommets). The products are known for their durability, flexibility, and resistance to extreme temperatures and chemicals.

Pros:
– High durability and flexibility
– Resistant to extreme temperatures and chemicals
– Versatile applications in medical, electronic, and industrial fields
– Manufactured using advanced LSR and rubber compression molding techniques

Cons:
– No specific information on pricing or cost-effectiveness
– No detailed information on the environmental impact of the production process
– Limited information on the specific certifications or standards met by the produ…

Silicone Rubber Gaskets | Rubber Molding

Product Details: Wuxi Aomeite manufactures silicone rubber gaskets to customer specifications, offering various rubber types, profiles, colors, and hardness degrees. The gaskets can be made from solid sheet or silicone sponge, and may be adhesive-backed on one or both sides. This flexibility allows the gaskets to seal effectively in extreme environmental conditions. The gaskets are used in applications such as electrical motors, electronics, portable electronic devices, telecommunication equipment, aerospace, automotive, medical devices, and alternative energy. Custom punched gasket services are also available in-house.

Pros:
– High flexibility to seal in extreme environmental situations
– Available in various rubber types, profiles, colors, and hardness degrees
– Can be made from solid sheet or silicone sponge with adhesive backing
– Used in a wide range of industries including electrical, electronics, aerospace,…

Cons:
– No specific cons mentioned, but the need for vulcanization post-extrusion might…
– Swelling or shrinking during the vulcanization process may affect the final dime…

Comparison Table

Frequently Asked Questions (FAQs)

Frequently Asked Questions About Gasket Silicone Rubber Factories in China

What certifications should I look for in a silicone rubber gasket manufacturer in China?

When selecting a silicone rubber gasket manufacturer in China, it’s crucial to check for certifications like ISO 9001, CE, and FDA. These certifications ensure that the products meet international quality and safety standards, particularly important if you are exporting to North America, Europe, or other stringent markets.

How long does it typically take to receive a quote and start production?

You can usually expect to receive a quote within 1-3 days from most manufacturers. Once you’ve placed your order, the average production cycle is around 9-15 working days, although this can vary depending on the quantity and complexity of the products.

Can I customize the silicone rubber gaskets according to my specific needs?

Yes, you can customize silicone rubber gaskets to fit your specific requirements. Many manufacturers, such as Hongju Silicone, offer OEM and ODM services, allowing you to provide 2D or 3D designs or even samples to create the perfect product for your application.

What are the key properties and applications of silicone rubber gaskets?

Silicone rubber gaskets are known for their excellent weather resistance, ozone resistance, and compression set resistance. They are odorless and tasteless, making them suitable for food and pharmaceutical applications. These gaskets are also highly resistant to extreme temperatures, shock, and tears, and are commonly used in chemical processing, hydraulic systems, and various industrial equipment.

Can I visit the factory for an inspection, or are there alternative options available?

While visiting the factory is possible, many manufacturers now offer online factory inspections via platforms like ZOOM, especially given current travel restrictions. This allows you to inspect the facilities and processes remotely, ensuring transparency and convenience.