... , with its reasonable price and excellent hydrolysis resistant, anti-acid, anti-alkali, anti-abrasion, and mainly is applied to ... C to160°C, which has the best property of anti-acid, anti-alkali, hydrolysis resistant. A new needle felt ... good air permeabilityHigh filtration efficiency, long performance lifeAnti-acid, anti-alkali. Better anti-abrasionModerate temperature grade(ordinary120°C, few items ...