Polyester needled felt (surface PTFE composite) corrosion resistant filter bags are singed, calendered, water repellent, oil-repellent, PTFE impregnated, coated, covered, etc. as required. Effectively enhances the chemical stability, anti-condensation, dust removal and air permeability of polyester needle punch felt to achieve the best effect of emission requirements.
Polyester needled felt is made of 1-2.5D polyester high-quality fine denier yarn, which is woven and reinforced with high-strength and low-stretch yarn. It is made by acupuncture reinforcement and post-treatment process. This product has the characteristics of high porosity, good air permeability, moderate acid and alkalinity, and excellent abrasion resistance. It is the largest one used in the felt filter media. Variety. Weight from 350g/m2-800g/m2, thickness from 1mm-4mm can be produced in our factory. Post-treatment methods include calendering, singeing, heat setting, immersion drying, and coating. With dimensional stability, easy cleaning, long life and other characteristics.