High-Temperature & Food Grade Gaskets

Silicon O Rings

Silicon O-Ring ⚡ FDA Approved Silicone (VMQ)

Technical Data

  • Material Grade: Methyl-Vinyl Silicone (VMQ)
  • Hardness Range: 50 – 80 Shore A
  • Temp. Range: -50°C to +230°C
  • Tensile Strength: 6 – 9 MPa
  • FDA Status: 21 CFR 177.2600
  • Sanitary Rating: USP Class VI, NSF-51

Food-Safe and High-Temperature Thermal Resistance VMQ Gaskets

Silicon (VMQ) O-Rings feature outstanding thermal stability, keeping their elastomeric properties and mechanical flexibility across a broad temperature range from -50°C up to +230°C. Since silicone is physiologically inert, it does not impart odor, taste, or chemical contaminants to process fluids. This makes VMQ O-rings highly preferred for food processing equipment, coffee makers, biopharmaceutical reactors, and medical devices.

Micro Engineering manufactures premium VMQ silicon O-rings that boast excellent ozone, weathering, and UV resistance. Our silicone gaskets are post-cured in clean ovens to remove volatile byproducts, ensuring full compliance with FDA 21 CFR 177.2600 and USP Class VI sanitary guidelines. Additionally, their excellent dielectric properties make them useful as high-heat electrical insulation seals.

Preferred sealing solution for food preparation systems, pharmaceutical reactors, medical diagnostics, and outdoor weather-proof enclosures.

Why Choose Our Silicon O-Rings?

Micro Engineering manufactures custom VMQ silicon O-rings to ensure high thermal resilience and clean, FDA-compliant process sealing.

Extreme Thermal Performance

Retains flexibility and sealing performance in extreme cold (-50°C) and dry heat (+230°C) thermal cycles.

FDA & USP Class VI Certified

Post-cured in specialized ovens to remove volatile contaminants, making them completely safe for food, beverage, and medical touchpoints.

Excellent Ozone & Weathering

Resists degradation from outdoor UV light, heavy ozone exposure, and atmospheric weathering over long service lifetimes.

Physiologically Inert VMQ

Completely non-toxic, odorless, and tasteless polymer structure, ensuring zero process fluid contamination.