Silicone sealing ring O-ring O-ring food grade gasket waterproof and high temperature resistant white rubber ring complete list
Product Name: Silicone seal ring, O-ring

Product material: food grade silicone

Wire diameter(cs): 2.2mm/2.4mm/2.5mm

Outer diameter = inner diameter + 2 wire diameter

E.g: 5x2 means outer diameter =5mm,wire diameter(Thickness) =2mm

Quantity: 10-25pcs

Product features

Good sealing, deformation resistance, high temperature resistance (200°C), low temperature resistance (-50°C), moderate hardness (55°C), wear resistance, waterproof, and insulation.

‌Applications of Silicone Sealing Rings‌

Silicone sealing rings, renowned for their temperature resistance (-60°C to 200°C), weather resistance, elasticity, and chemical stability, are widely utilized in the following scenarios:

‌I. Industrial Applications‌

1. ‌Pipeline Connections:‌
   Featuring hollow cavity structures and adjustable through-holes, they enable dynamic sealing via medium diversion, adapting to pressure adjustments in high/low-temperature environments and ensuring leak-proof pipe joint systems.

2. ‌Chemical Equipment:‌
   Used to seal reactors, valves, and pipelines, preventing leakage of acidic/alkaline media. PFA-coated silicone rings, in particular, resist corrosion from high-purity chemicals.

‌II. Automotive Industry‌

1. ‌Powertrain Sealing:‌
   Applied in critical areas like engine crankshaft seals and transmission oil seals, resisting erosion from lubricants and coolants to prevent leakage.

2. ‌Body Sealing:‌
   Silicone-based door/window seals provide sound insulation, waterproofing, and anti-aging properties, enhancing driving comfort.

‌III. New Energy & Electronics‌

1. ‌New Energy Vehicle (NEV) Air Conditioning:‌
   Low-pressure variable seals made of fluororubber-EPDM blends resist refrigerants and exhibit low compression deformation, ensuring long-term sealing stability.

2. ‌Semiconductor Manufacturing:‌
   Used in ultra-pure gas delivery pipelines to avoid particulate contamination, meeting cleanroom requirements.

‌IV. Specialized Scenarios‌

1. ‌Aerospace:‌
   Hydraulic/fuel system seals in aircraft endure extreme temperature fluctuations and high pressure, where silicone O-rings ensure system reliability.

‌Medical & Food Industries:‌
Medical device seals (e.g., syringes) and food processing equipment seals comply with biocompatibility and food safety standards