Micro Polypropylene needle felt

Composited with basalt fiber adopting advanced international standard and the equipments to produce micro PP needle punched filter felt. The past finished treatment includes singeing, calendaring, adding the basalt coating treatment.
 
Features:
• Smooth surface, more defined pore size and good air permeability
• Low temperature resistance ( 88-110 ℃)
• Excellent resistant to hydrolysis, acids and alkalies.
• Lower fiber release, Lower density,High mechanical characteristics 

Applications:
• Galvanic industry and Chemical industry
• Prefiltering solvents and acids
• Prefilter to extend final filter life
• Final filter for noncritical filtrations
• TLiquid-solid sepration with strong acid and alkali conditions filter press
• Air filtration under 100℃ 
 
Specification

Compositions		Super-fine PP fiber
Weight (g/ m2)		800
Thickness (mm)		2.2
Air permeability (L/m2/s)		20~50
Tensile strength (N/5 20cm)	wrap	>1700
	weft	>1900
Tensile Elongation (%)	wrap	<50
	weft	<55
Broken strength (Mpa/min)		2.75
Continuous working temperature(℃)		≤90
Short time Working temperature(℃)		110
Anti-acid		Excellent
Anti-alkali		Excellent
Anti-abrasion		Excellent
The stability of water solution		well
Finishing treatment		Singeing and calendering