... resistant 3 abrasion resistant 4 pass FDA and ROHS silicone rubber foam insulation tubeNon-toxic and tasteless, anti-aging ... silica gel, is now widely used in automotive, aerospace, electronics, machinery, articles for daily use, medical, etcFeatures: 1. ... resistance, weather resistance and good electrical properties; 5. Silicone rubber and good electrical insulation resistance and oxygen anti-aging ...