... tightness well 2) FDA, SGS, LFGB 3) Chemical resistance 4) temperature range:-30-230centigrade Features:1. We make rubber parts according ... , NBR, CR, EPDM etc.3. Resistant to high and low temperature.4. Our rubber products can approved by FDA, SGS, REACH ... experience.7. Any questions, welcome to contact us. Electrical Equipment accessories rubber seal strip