Food Grade Silicone O-Rings for High Temperature Sealing

Food Grade Silicone O-Rings – High Temperature Resistant Sealing Solutions

Our food grade silicone O-rings are designed for reliable sealing in food processing, beverage equipment, plumbing systems, and electronic applications. Made from high-quality silicone rubber, these silicone rubber O-rings offer excellent flexibility, heat resistance, weather resistance, and stable sealing performance across a wide temperature range.

Available in various sizes, colors, and custom specifications, they are suitable for applications requiring durable, hygienic sealing components. RoHS-compliant options are available upon request, while food-contact compliance can be confirmed according to the required standards.

Contact us for custom food grade silicone seals, dimensions, and material specifications.

Technical Specifications of Silicone O-Rings

Measure Silicone O-Rings with caliper

1.Do not measure O-rings with a ruler.

2.Use a caliper to accurately get ID, OD and cross-section CS.

3. Rubber O-rings deform easily. Accurate measurement ensures proper fit and prevents leakage.

Silicone O-Rings features

Food-grade silicone O-rings are made from premium VMQ silicone rubber, featuring a smooth, burr-free surface and precise dimensions for reliable sealing. 

Excellent Temperature Resistance: Our silicone rubber O-rings provide reliable sealing performance across a temperature range of -20°C to +230°C, depending on the material grade and operating conditions. With excellent heat resistance, flexibility, and thermal stability, these high-temperature silicone O-rings are ideal for demanding industrial, plumbing, and electronic sealing applications.

Excellent Aging Resistance: Our silicone rubber O-rings offer excellent resistance to aging, ozone, and weathering, helping maintain flexibility and sealing performance over time. These durable silicone O-rings resist cracking and deterioration under suitable operating conditions, making them ideal for long-lasting sealing applications in industrial equipment, plumbing systems, and electronic devices.

We offer custom silicone O-rings in various sizes, inner diameters, and cross-sections to meet your sealing requirements. Choose from different hardness levels, colors, and material grades, including food-grade silicone options. Send us your drawings, samples, or specifications for tailored silicone rubber sealing solutions.

Applications of Silicone O-Rings

Silicone O-rings are widely used in food processing equipment, beverage systems, plumbing and water fittings, electronic devices, medical equipment, household appliances, and automotive components. 

With excellent flexibility, heat resistance, weather resistance, and electrical insulation properties, silicone rubber O-rings provide reliable sealing for applications exposed to varying temperatures and environmental conditions. 

Food-grade silicone options are available for suitable food-contact applications, subject to the required compliance standards.

Packing /Payment/Shipping service

• Package:We provide standard cartons, pallets and wooden cases. Custom packaging is available upon request to protect goods well for different shipments.
• Payment Methods:Multi-currency settlement (CNY, USD, EUR, etc.). Multiple payment options including T/T, PayPal. Local bank transfer is available for some countries for faster transactions.
• Delivery Method:We offer international express, air freight, sea freight and railway transport. You can also appoint your own forwarder for flexible delivery arrangements.

OEM and ODM Service

Jinnai Seal provides customized rubber sealing solutions tailored to diverse industrial needs. Our customization services cover rubber materials, dimensions, shapes and designs, colors, hardness, surface finishes, mold development, and packaging. We support both standard specifications and custom manufacturing based on your drawings, samples, and application requirements, delivering flexible and reliable sealing products for a wide range of industries.

Why Choose Jinnai Seal?

Factory Advantages

• R&D Strength Focus on R&D and manufacturing of rubber seals for 20 years.
• Vulcanization Workshop 200+ advanced equipment, integrated molding & mass production.
• Mold Workshop Accurate dimension, consistent quality, fast delivery.

Product Advantages

1. Finished Goods Warehouse 3000+ O-ring specifications available for same-day shipment.
2. Customized Products Non-standard mold design, professional R&D team, 100% inspection before delivery,
3. Factory Strength Large-scale production, stable quality, reliable delivery and cost-effective solutions.

Quality Assurance

1. IATF16949 IATF16949 quality system certification makes our company more competitive and enables us to serve customers better.
2. ISO9001 We have obtained ISO9001 certification since 2009. We adhere to the quality-first concept and implement the essence of the system.
3. Premium Quality Focus on the research and development of special rubber sealing parts.

Service Advantages

1. Technical Support 24-hour customer service, professional technical team, on-site solution support.
2. After-sales Guarantee Comprehensive after-sales service, reliable quality assurance, customized solutions.

Jinnai Rubber Seals Product Catalog

Jinnai Seal specializes in manufacturing a wide range of sealing products, including bonded seals, rubber O rings, custom rubber seals, rubber balls, gaskets and washers, and oil seals. We offer various materials, sizes, colors, and hardness options to meet diverse industrial requirements. With flexible customization and a focus on product quality, we provide reliable sealing solutions for automotive systems, hydraulic and pneumatic equipment, pumps, valves, chemical processing, and general industrial applications. Standard sizes and customized products are available to meet your specific needs.