Silicone Rubber for Making Sealing Gaskets Rings. Food Grade Certification: SGS, RoHS, Reach, and FDA certified for safe human and food contact applications. High Tear Strength: Superior tear strength up to 30 KN/m ensures durability for demanding molded products. Wide Hardness Range: Available in 0-90 Shore A hardness to suit diverse application requirements. Fast Delivery: Standard delivery within 3-5 working days after payment confirmation. Free Samples: We provide 500g free samples for quality testing and evaluation. OEM/ODM Support: Full customization services including finished products and packaging support. High Elasticity: Elongation at break exceeds 500%, providing excellent flexibility and resilience. Professional Manufacturer: Over 12 years experience with annual capacity of 19,000 tons and global reach.