P84 needle felt Weight: 500g/square meter Thickness: 2.2+/-0.1mm Air Permeability: 16 m3 /m2

name	P84 needle felt
composition	P84 fiber
Gram weight(g/m2)	500
Thickness(mm)	2.2(+/-0.2)
Ventilation volume(L/m2.S )	150-250
Breaking strength(N/5CM)	T:≥1800    W:≥1800
Elongation(%)	T:≤10       W:≤10
Working temperature(°C)	Continuous: 260  instantaneous: 300
Surface treatment	Singeing, calendaring, Teflon treating.

Polyimide is leaf-shaped structure with a larger filter surface, and always embeded in the surface of other needle felt with different material to improve the filter efficiency. For the properties of high Temperature resistant Filter material, good chemical resistance, good air permeability, high filtration efficiency, mostly applied in Cement kiln, Asphalt, Waster Incinerator, coal boilers, etc.

P84 needle felt