Aramid Needle Punched Felt

Compositions

METAMAX/METAMAX scrim

Weight (g/m²)

450

500

550

Thickness (mm)

2.0

2.2

2.4

Air permeability (m³/m²in)

21

17

14

Tensile strength (N/5 20cm)

Warp

>800

>800

>800

Weft

>1100

>1200

>1300

Tensile Elongation (%)

Warp

<35

<35

<35

? Weft

<55

<55

<55

Broken strength

2.55

2.40

2.35

Working Temperature(%)

≤204

≤204

≤204

Short time Working temperature(%)

250

250

250

Anti-acid

?? Medial

Anti-alkali

Excellent

Anti-abrasion

Excellent

?? The stability of water solution

?? Medial

Finishing treatment

Singeing, calendaring or Teflon coated