OC Three PTFE Paste Joint and Thread Sealer is an oxygen-safe, aqueous-based PTFE formulation. It is a homogenous white paste that penetrates thread convolutions more effectively, and more safely, than PTFE tape. Tested, approved and certified by BAM for gaseous and liquid oxygen service. Use in extreme temperatures (-400º F to +500º F) and as a vacuum grease for Mid Vacuum specifications to 10-3 Torr. OC Three is especially capable for sealing oxygen and acetylene cylinder valves. Easy to apply from its 4 oz. (113.4 gram) squeeze tube with extended nipple and resealing cap. A superior PTFE thread sealant paste that contains these optimal properties: Water Soluble - Anti-Galling - Anti-Corrosive - Anti-Seize - Chemically Inert - Non-Toxic - Non-Flammable - Non-Migrating - Odorless.

MPT-73 - OC Three PTFE Paste Joint and Thread Sealer - 4 oz tube - $20.75

OC^® Three is oxygen-safe and compatible with many aggressive chemicals including:
Acetylene; Aluminum chloride; Ammonium nitrate; Ammonium percholrate; Antimony trichloride; Bromine; Calcium hypochlorite; Carbon dioxide; Chlorosilanes; Chlorosulfonic acid; Chromic acid; Ethylene; Fluorine (gaseous); Helium; Hydrogen; Hydrogen bromide; Hydrogen peroxide (all concentrations); Hydrogen sulfide; Hydriodic acid; Iodine; Muriatic acid; Nitric acid; Nitrogen oxides; Oleum; Oxygen (liquid & gaseous); Phosphoric acid; Potassium perchlorate; Potassium persulfate; Propylene oxide; Silane; Silicone tetrachloride; Sodium hypochlorite; Sodium perchlorate; Sulfur dioxide; Sulfur trioxide; Sulfuric acid; Titanium tetrachloride.

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