Material
Silicone
Flexible, heat-resistant elastomer, available in food and medical grades.
- Family
- Elastomer
Common grades
- HTV solid silicone
- LSR liquid silicone
- Food grade (FDA / LFGB)
- Medical grade
Key properties
| Hardness | Shore A 10–90 |
|---|---|
| Temperature range | −40 to 230 °C |
| Food safe | Yes (certified grades) |
Compatible processes
Typical applications
- Kitchenware and bakeware
- Baby products
- Seals and gaskets
- Wearable straps
Finishes
- Silk screen
- Laser engraving
- Soft-touch coating
Industries
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Silicone: frequently asked questions
Which silicone grades are most common in China?
Common grades: HTV solid silicone; LSR liquid silicone; Food grade (FDA / LFGB); Medical grade.
Which processes work with silicone?
Silicone can be processed by silicone & rubber molding.
What is silicone used for?
Typical applications include kitchenware and bakeware, baby products, seals and gaskets, wearable straps.
How do I make sure a supplier really uses the specified silicone?
Name the exact grade in the contract, ask for a material certificate (mill certificate or test report) and verify samples — for metals with a handheld XRF analyzer, for plastics with a lab test on critical parts. Substitution is one of the most common quality problems.
Guides from our sourcing team
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