Silicone Rubber Washers — Complete Guide
Silicone rubber washers are the top choice for high-temperature applications and food-contact environments. Silicone maintains its flexibility and sealing properties across a wider temperature range than any other common rubber material.
Silicone Washer Properties
- Temperature range: -100°F to +450°F (-73°C to +232°C)
- Food-grade / FDA compliance: Available in FDA-compliant grades
- Weather/UV/ozone resistance: Excellent
- Oil resistance: Poor
- Compression set: Excellent — maintains seal over time
Best Applications for Silicone Washers
- Food processing and beverage equipment
- Ovens, grills, and high-heat appliances
- Medical and pharmaceutical equipment
- Aerospace and electronics
- Outdoor lighting and electrical enclosures