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1.High temperature resistance, 2.Good chemistry resistance, 3.Good air permeability, 4.High quality and best price - details see: https://www.machineto.com/p84-needled-felt-p84-punched-needle-felt-10217815

P84 needled felt/P84 punched needle felt

P84 (PI-polyimide) is a filter material with the properties of flame resistance

P84 (PI-polyimide) is a filter material with the properties of flame resistance, high temperature resistance. Polyimide will keep a good performance when the temperatures up to 240 degree centigrade, instant can up to 260 degree to 300 degree. Polyimide is leaf-shaped structure with a larger filter surface, and always embedded 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.

The technical data of P84 needled felt

Article Name		P84 needled felt
Ingredients	Fiber	100%P84
	Scrim	100%P84
Weight	g/2	500
Thickness	mm	2.2
Density	g/m³	0.23
Permeability	L/d2.min	200
Tensile breaking strength(N/5cm)	Warp	≥600
	Weft	≥600
Elongation @200N/5cm	Warp	<5
	Weft	<5
Maximum shrink of 90 mins	Temperature(°C)	260
	%	≤1
Service Temperature(°C)	Continuous	240
	Instant	260
Finishing		Heat setting, Singeing, calendaring