high tenacity acidproof alkaliproof competitive price resistance to seawater corrosion ITEMSUNIT600D750D840DLINEAR DENSITYD600+-1.5%750+-1.5%840+-1.5%FILAMENTF90/14490/14490/144TENACITYG/D7.07.07.0BREAKING ELONGATION%20.0+-1.520.0+-1.519.0+-1.5High tenacity PPyarn is made of high quality polypropylene.It has many advantages such as light weight,abration-resistant,acidproof,alkaliproof,low thermal ...