What is silicone rubber?

By GB Gummi 

Inert, elastic, temperature-stable elastomer.

Temperature range

Typically -60°C to +200°C, higher with special grades.

Hardness (Shore A)

10–80 Shore A; pick sealing force and feel.

Key strengths

Heat, UV/ozone, weathering, electrical insulation.

Where it struggles

Fuels, oils—use fluorosilicone if needed.

Common Tips & Mistakes

- Use release agent - Avoid air bubbles - Cure at correct temp - Work clear

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Post-cure matters

Stabilizes properties and reduces volatiles.