HER MEGATAPE 1/2 IN X 1000 IN POLYTETRAFLUOROETHYLENE MATERIAL; GRAY COLOR; 1000 INCH; 1/2 INCH; CUL, CFR, OSHA APPLICABLE STANDARD; 3.5 MIL THICKNESS; -450 TO 500 DEG F TEMPERATURE RATING; 10000 PSI PRESSURE RATING; TAPE; MEGATAPE[TM] BRAND