Soft set, slow drying, grit-free, low odor, non-toxic, heavy-duty industrial grade pipe compound. Will not harden in can. Lead free - safe for potable water, compressed air and most oils and gas. Ideal for stainless steel threads which are more difficult to seal. -50 deg F to 400 deg F temperature ratings. Size: 4 Fl. Oz. Color: Gray Maximum Gas Temperature: -50 to 400 Degrees F Maximum Gas Pressure: Maximum Liquid Temperature: Maximum Liquid Pressure: