Food Grade Solid Silicone Rubber is widely used in kitchenware applications due to its excellent safety, flexibility, and durability. This material is specially developed for manufacturing silicone stretch lids (silicone food covers), providing reliable sealing performance and long-term usability.
Designed for direct food contact, this silicone rubber offers high purity, non-toxic properties, and excellent elasticity, allowing stretch lids to tightly fit containers of various shapes and sizes. It ensures freshness preservation while maintaining durability through repeated use.

| Property | Unit | Value |
|---|---|---|
| Appearance | / | Translucent |
| Hardness | Shore A | ~32 |
| Density | g/cm³ | ~1.12 |
| Tensile Strength | MPa | ≥ 7.0 |
| Elongation at Break | % | ≥ 450 |
| Tear Strength | kN/m | ≥ 20 |
| Compression Set | % | Low |
| Processing Method | / | Compression / Extrusion |
Excellent Sealing Performance
Provides strong elasticity to tightly seal containers and keep food fresh longer.
High Flexibility and Stretchability
Easily adapts to different container sizes without deformation or cracking.
Durable and Reusable
Resistant to tearing and aging, ensuring long service life for repeated use.
Safe for Food Contact
Made from food-grade silicone material, suitable for kitchen and food storage applications.


Shelf Life & Storage
Guangzhou Ruihe New Material Technology Co., Ltd is a professional manufacturer specializing in liquid silicone rubber (LSR) and solid silicone rubber (HCR). Our products are widely used in food-grade applications, baby products, medical devices, and industrial products.
We provide stable quality, competitive pricing, and customized silicone solutions for global customers.
Q1: Is this silicone safe for food contact?
Yes, it is food-grade silicone compliant with FDA and LFGB standards.
Q2: What makes it suitable for silicone stretch lids?
Its excellent elasticity and tear resistance ensure strong sealing and long-term reuse.
Q3: Can it withstand high temperatures?
Yes, it has good heat resistance and can be used in kitchen environments.
Q4: What processing method is recommended?
Compression molding is commonly used for silicone stretch lids.
Tel: 86 13421773611
Whatsapp / Wechat: 86 13421773611
Email: wendy@ruihesilica.com