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Micro Polypropylene needle felt
Diaphragm

Detail:

Micro Polypropylene needle felt
Our factory selects 100D/160 and 500D/120 mixed Micro-polypropylene fiber from Dupont Teijin fiber Co., Ltd, then 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 
Liquid-solid seperation with strong acid and alkaline 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



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