E-glass fiber packing is diagonally braided from textured glass-fibre yarn, impregnated throughout with PTFE-dispersion, silicone-free break-in lubricant. It is a very dense and supple packing, good chemical resistance. AP 2510 is recommended for use in rotary and reciprocating pumps, valves, mixers and agitators etc. in the pulp- and paper, petroleum, chemical and food industry, in sugar mills and water treatment plants. It can be used with water, steam, solvents, oils, most chemicals, mild acids and lyes, etc. It is a multi-service packing suitable for a wide variety of applications throughout a plant.