Customized Silicone Rubber Flat Sealing Gasket Screw Washer Sealing Ring
Our Customized Silicone Rubber Flat Sealing Gasket Screw Washer Sealing Ring is a high-performance sealing solution engineered to meet diverse industrial needs. Crafted from premium 100% platinum-cured silicone rubber, this versatile product integrates the functions of flat gaskets, screw washers, and sealing rings, providing reliable waterproof, dustproof, and airtight sealing performance in extreme environments. With full customization support for size, shape, hardness, and color, it perfectly adapts to various mechanical assemblies, ensuring leak-proof protection and long-term durability.
- Exceptional Temperature Resistance: Operates stably in a wide temperature range of -60℃ to +230℃, maintaining flexibility and sealing performance even in high-temperature sterilization or low-temperature freezing environments.
- Superior Sealing Performance: Made of high-elastic silicone material, it fits perfectly with various surfaces, effectively preventing leakage of water, air, oil, and chemicals.
- Excellent Chemical & Environmental Stability: Resistant to acids, alkalis, solvents, ozone, and UV radiation, with strong anti-aging and weathering properties.
- Full Customization Options: Tailor-made according to your specifications with customizable parameters including thickness (1mm-25mm), width (5mm-200mm), shape, shore A hardness (30-80), color, and surface treatment.
- Food-Grade & Medical-Grade Available: Ensuring non-toxic, odorless, and tasteless properties suitable for direct contact with food,and medical equipment.
- Easy Installation & Durability: Lightweight, flexible, and easy to install with excellent compression set resistance and tear strength.

| Materials | Silicone rubber |
|---|---|
| Applicable screw range | M2 - M8 |
| Shore A Hardness | 30 - 80 |
| Color | Customized Color |
| Size | Customize size |
| Temperature Range | -60℃ to +230℃ |
- Automotive Industry: Engine covers, valve covers, fuel injectors, transmission systems, EV battery enclosures, and automotive electrical components.
- Electronics & Electrical: Waterproof enclosures, control panels, sensors, connectors, and electrical insulation parts.
- Food & Beverage Industry: Food processing machinery, beverage equipment, storage tanks, and packaging machinery (FDA/LFGB certified).
- Medical Equipment: Surgical instruments, medical devices, pharmaceutical equipment, and sterile packaging (USP Class VI certified).
- Industrial Machinery: Pumps, valves, pipes, flanges, and hydraulic/pneumatic equipment.
- Household Appliances: Ovens, refrigerators, washing machines, and water heaters.
- Aerospace & Marine: Aircraft components, marine equipment, and high-pressure sealing applications.
Products are wrapped in PE plastic bags to prevent dust and damage, then packed in reinforced cartons or as per your requirements. Custom packaging and labeling are available.
We offer flexible shipping options, including express (DHL, UPS, FedEx), air freight, and sea freight (FCL/LCL). We optimize export packaging to ensure product safety during transportation, and provide all necessary export documents for customs clearance.

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Have questions about our products or want to discuss a custom order? Our team is ready to help you.