Description: Diagonally braided from acrylic, impregnated with PTFE. Excellent general service pump and valve packing, it is very pliable and conforms readily to ... a pH range from 2~12 and can be used with water, brine, steam, acids, lyes, chemicals, solvents, liquors, oils ... , etc. Advantages: Very flexible and hard-wearing all-round packing, does not harden and is not abrasive (no shaft wear ...