2600, MIL-A-A-59588 Type 2A & 2B, Maximum Temperature 500 Degrees F, Minimum Temperature -80 Degrees F, Overall Length 36 in, Thickness Tolerance +/-0.Rubber Sheet, Sheet, Adhesive Type Plain Backing, Backing Type Non-Adhesive, Color Red, Durometer 40A, Grade Food, Material Silicone, Standards ASTM D2000 GE 407, FDA 21 CFR 177.