Features:
1) Materials used: DT/DT
2) Suitable for the air dust-filtering under the working temperature from 140
centigrade (normal) to 160 centigrade (momentary)
3) Weight: 500g/sqm; density: 0.28g/cm², thickness: 1.8mm
4) Air permeability: 3sqm/cbm/min, more or less than 10sqm/cbm/min
5) Tensile strength: longitude no weaker than 800N/5 x 20cm; latitude no
weaker than 1,000N/5 x 20cm
6) Elongation at break: longitude no larger than 35%; latitude no larger than 50%
7) Finishing: wool burning, press polish, thermal patterning
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