Standard High Temperature PTFE Seal Thread Tape Heat-resistance High pressure resistance Acid and alkali resistan Standard High Temperature PTFE Seal Thread Tape Color: White, Black,Brown &Grey ... oxygen, chemicals, and other fluids or gases.PTFE tape is to be used on all types of ... potable, most chemicals, oxygen, gas, hydraulic and high pressure lines.CHEMICAL PROPERTIES: inimum of 99% ...