Product Description The original Permatex blue makes reliable formed-in-place gaskets that resist shrinking, cracking and migrating. Product cures to a strong, flexible rubber that seals flanges against leakage and resists oil and other shop fluids. Coat pre-cut gaskets to increase reliability. Temperature range -65 Deg F to 500 Deg F (-54C to 260C) intermittent. Low volatility. Fills gaps to .25 when fully cured. *SHIP GROUND ONLY* ORM-D |