Fiber made from melted glass that is drawn into a thin fiber less than a thousandth of an inch in diameter. The fiber may be spun into threads and woven into fabrics which suitable for many applications ,such as removal of micron and submicron size particulates from both liquids and gases,or used in an acoustic, electrical, or thermal insulating material.
Feature:
1. Lightness, heat resisting, low thermal capacity and low thermal conductivity, soft and excellent fire-isolation.
2. Anti-heat energy and heat stability.
3. Anti-mildew, anti-insect, un-scattered and good stretching resistance.
4. Excellent anti-ageing.
5. Excellent sound absorbability, adsorption and filtering.
6. It can be cut, sewn according to requirements and it's also easy to construct.
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| Specifications︰ | ITEM UNIT ASHRAE HEPA ULPA
K 19 K29 K 39 K 49 K 59 K69 K79
Basis weight g/sqm 65 65 70 70 70 70 78
Thickness mm 0.32±0.03 0.32±0.03 0.32±0.03 0.32±0.03 0.32±0.03 0.35±0.03 0.35±0.03
Filter resistance Pa ≦18 ≦25 ≦37 ≦48 ≦56 ≦68 ≦98
Filter efficiency % ≧90 ≧99 ≧99.9 ≧99.99 ≧99.999 ≧99.9999 ≧99.99999
Tensile strength N/M ≧160 ≧160 ≧200 ≧210 ≧230 ≧300 ≧400
MD
N/M ≧120 ≧120 ≧130 ≧160 ≧180 ≧220 ≧250
CD
Mark 0.3 micron air flow rate:0.06L/min*c㎡
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ITEM UNIT ASHRAE HEPA
W 85 W 19 W 29 W 39 W49 W 59 W69
Basis weight g/sqm 70 70 70 72 72 72 75
Thickness mm 0.35±0.03 0.35±0.03 0.35±0.03 0.37±0.03 0.37±0.03 0.37±0.03 0.38±0.03
Width mm ≤1200
Filter resistance Pa ≦9 ≦19 ≦28 ≦39 ≦49 ≦64 ≦72
Filter efficiency % ≧85 ≧90 ≧99 ≧99.9 ≧99.99 ≧99.999 ≧99.9999
Tensile strength N/M ≧800 ≧800 ≧800 ≧900 ≧900 ≧980 ≧980
MD
N/M ≧500 ≧500 ≧500 ≧550 ≧550 ≧600 ≧600
CD
Stiffness mN.m 0.8 0.8 0.8 1 1 1.2 1.2
Mark 0.3 micron air flow rate:0.06L/min*c㎡
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