... resistance, anti-aging 2.silicone,rubber material 2.FDA,ROHS,SGS Certificate Factory history8 yearsFactory area3700m2CertificateSGS, ROHSMachines(20sets)Rubber mixer, Automatic slitting machine ... Resistance, Gas Impermeability Resistance, Oxygen Resistance, Flame Resistance,Heat resistance,Low and High temperature Resistance, Oil and Fuel Resistance, Animal and ...