Loc-Line Made in USA 1/2" Hose Assembly Plier Materials and Properties: Material: Acetal Copolymer Colors: Blue Compatibility: Yes: Acetone, Alcohol, Ethyl, Greases, Oils, Commercial Dish Detergents, Gasoline, Lacquer Solvents, Sodium Hydroxide No: Chlorine, Acids, Ammonium Hydroxide, Bases Strong, Hypochlorite Ion Solutions, Sodium Hypochlorite Melting Point: 329℉ Maximum Operating Temperature: 170℉ (Repeated exposure to this temperature will cause fatigue) Recommended Maximum Line Pressure & Flow Rates: 1/2" System 30 PSI 475 gal/hour 1/2" System With Element Clamps 60 PSI 950 gal/hour