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PA尼龍材料與PBT材料哪種更好?

     尼龍毛的化學成分是聚酰胺,尼龍毛具有很高的機械強度和抗沖擊性能,熔點高,耐熱,自潤滑,磨擦系數低,耐磨損,耐油,耐弱酸,耐堿和一般溶劑,電絕緣性好,有自熄性,耐候性好,染色性差。
     PBT毛的化學成分是聚對苯二甲酸丁二酯,具有優良的強韌性和抗沖擊性,耐熱,耐酸性好,耐有機溶劑,高溫易分解,吸水率低(0.1%)。尼龍毛和PBT毛的性能比較接近,但尼龍毛的耐磨性和彎曲恢復性比PBT毛要好,PBT毛的耐腐蝕比尼龍毛要好,尼龍毛比PBT毛更柔軟。

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