Downloaded from https://www.everyspec.com MIL---STD---101C TABLE II.
Classification of materials in piping systems ---Continued 15 Sulfur dichloride Brown --------- Sulfur dioxide Brown Gray Sulfur hexafluoride Gray --------- Sulfur monochloride Blue --------- Sulfur trioxide Brown Green Sulfuric acid Brown Green Sulfuric acid, fuming (Oleum) Brown Green Tetraethyl lead Brown --------- Tetrafluoroethylene, inhibited Gray --------- Thionyl chloride Brown Green Tin tetrachloride, anhydrous Blue --------- Titanium tetrachloride Blue --------- Toluene Yellow Brown Triamylamine Brown Yellow Tributylamine Yellow Blue Triethanolamine Blue Yellow Triethylamine Brown Yellow Trimethylamine, anhydrous Brown Yellow Turpentine Yellow --------- Unsymmetrical dimethyl hydrazine Brown Yellow Vacuum (non---contaminated) Gray --------- Varnish Yellow --------- Vinyl bromide Blue --------- Vinyl chloride Yellow --------- Vinyl methyl ether Yellow Blue Waste acid (spent nitrating acid) Blue Yellow Water, over 50 psig or 150o F Gray --------- Water, fire Red --------- Material Primary color warning Secondary color warning Water, potable White --------- Waxes, liquid Yellow ---------