can be divided into PP staple fabrics, PP long thread fabrics, and PP monofilament fabrics.

Model Number	Bursting Strengh (N/5*20cm )	Density (counts/10cm)	Thickness (mm)	Weight ( g/m2)	Air permeability  (10-3m3/m2.s)	Construction
521	2608	214.8	0.79	302.7	216.5	T
	2050	150.8
527	2104	221.6	0.62	221.5	28	P
	1633	153.6
534	2501	193.6	0.99	368.1	41.2	P
	1894	100.0
750 (AB)	3500	333.8	1.36	489.9	111.6	P
	2758	204.4
4212	2672	236.4	1.34	389.4	85.6	T
	1342	123.2
750A	2100	168	0.85	330	14.5	P
	1708	131
750B	3101	256	0.99	420	25.5	T
	1980	141

 These products possess the properties of acid-resistance, alkali-resistance, small specific gravity, the melting point 142-146°C, and operating temperature maximum 90°C.They are mainly used in precision chemical, dye chemical, sugar, pharmaceutical, alumina industry, for the equipments of frame filter presses, belt filters, blend belt filter precision can reach less than 1 micron.

Fiber Filter -108C