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Oil-water repellent needle felt
Diaphragm

Detail:

Oil-water repellent needle felt 
Function of Oil-water repellent treatment: By use of compounds containing fluorine technology, impregnate filter materials, the formation of molecular barrier around each fiber. To reduce the critical surface tension of the fiber so that it can effectively resist the water-based and oily liquid stains. Compared with ordinary fabric, these fabric have a more glamorous appearance quality, it will also kind of like the lotus leaf has a great anti-oil, splashing water, anti-stain effect, can effectively prevent oil, water, stains penetrate fiber inner layer, thereby maintain a long-term dry fabrics, clean. This fabric is ideal for filtration of gases mixed with oil and moisture in south raining area of china.
This treatment can apply to almost all felt types.

 

Production Steps

fiber opening and scutching --- weaving --- folding --- re-needle punched ---mainly needle punched --- calendering--- water and oil resistant deep soaking treatment --- drying and high TP burning --- heat setting --- finished goods

 

 

Specification

Compositions

PET / Electric scrim

Weight (g/ m2)

500

Thickness (mm)

1.8

Air permeability (L/m2/s)

150-300

Tensile strength
(N/5 × 20cm)

wrap

1200

weft

1300

Tensile Elongation(%)

wrap

30

weft

45

Broken strength
(Mpa/min)

1.15

Continuous working temperature(℃)

130

Short time Working temperature(℃)

150

Anti-acid

Excellent

Anti-alkali

Fair

Anti-abrasion

Excellent

The stability of water solution

Fair

Finishing treatment

  Singeing,Het-setting,Calendering, water-oil repellrent treatment



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