STANDARD
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SPECIFICATION FOR PP Needle Felt
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Construction(组织结构):
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Needle-punched
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Fiber Composition(纤维组成):
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PP
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Scrim Composition(基布组成):
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PP
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Felt Area Weight(克重)
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500
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g/m2
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Thickness(厚度)
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2.0
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mm
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Mean Air Permeability(透气量)
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15
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m3/m2/min@12.7mmH2O
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Breaking Strength-MD(径向强力)
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≥1000
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N / 5cm
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Breaking Strength-CMD(纬向强力)
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≥1200
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N / 5cm
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Breaking Elongation( N/5cm)-MD(径向断裂伸长率)
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≤25
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%
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Breaking Elongation( N/5cm)-CMD(纬向断裂伸长率)
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≤45
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%
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Dry Shrinkage MD(90℃经向干热收缩率)
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<1
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%
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Dry Shrinkage CMD(90℃纬向干热收缩率)
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<1
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%
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Operating Temperatures(工作温度)
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Recommended Maximum Continuous(连续工作温度)
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90
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deg C
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Recommended Maximum Surge(瞬间工作温度)
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100
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deg C
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Finish(表面处理)
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Singeing、Glazing、Heat Setting
(烧毛、轧光、热定型)
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