Needle punching
Use:
Dip coated with modified bitumen, the needle punched polyester felt will be made of SBS/APP waterproofing rolls. Now it has been widely used in roofing engineering, underground engineering, bridge engineering and reservoir of waterproof and anti-corrosion of buildings foundation.
Dip coated with modified bitumen, the needle punched polyester felt will be made of SBS/APP waterproofing rolls. Now it has been widely used in roofing engineering, underground engineering, bridge engineering and reservoir of waterproof and anti-corrosion of buildings foundation.
Performance:
?The needle punched polyester felt is famous with high tensile strength,good elongation and heat stability, also owning excellent durable thorn ability and tear resistant ability. It has an advantage of corrosion resistance and ageing resistant excellent permeability.
?The needle punched polyester felt is famous with high tensile strength,good elongation and heat stability, also owning excellent durable thorn ability and tear resistant ability. It has an advantage of corrosion resistance and ageing resistant excellent permeability.
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Needle punched polyester felt |
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gram weight g/m2 |
Tension N/5CM |
Elongation % |
shrinkage% |
Length m |
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Longitudinal |
Crosswise |
Longitudinal |
Crosswise |
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| 120 | 280 | 220 | 20 | 20 | ＜2.0 | 1700 |
| 140 | 300 | 260 | 25 | 25 | ＜2.0 | 1600 |
| 150 | 320 | 280 | 27 | 27 | ＜2.0 | 1550 |
| 160 | 350 | 300 | 28 | 28 | ＜2.0 | 1500 |
| 180 | 450 | 400 | 30 | 30 | ＜2.0 | 1400 |
| 200 | 550 | 450 | 35 | 35 | ＜2.0 | 1200 |
| 220 | 550 | 500 | 35 | 35 | ＜2.0 | 1000 |
| 250 | 860 | 800 | 40 | 40 | ＜2.0 | 800 |
Pic-(Needle punching)
