Silicone gasket 1) gas tightness well 2) FDA, SGS, LFGB 3) Chemical resistance 4) temperature range:-30-230centigrade Features:1. ... . Material: various kind of rubber material are available. such as silicone, NR, NBR, CR, EPDM etc.3. Resistant to high and ... .4. Our rubber products can approved by FDA, SGS, REACH, LFGB. According to clients demand.5. All rubber parts are safe, non-toxic ...