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Heat Aged Tensile Strength Retention of Poly(p-phenylene terephthalamide)Sewing Thread
p-phenylene terephthalamide Sewing Thread
2009/7/21
The strength retention after exposure to elevated tem-perature in air of continuous filament and staple spun PPTA sewing thread and the precursor yarns was determined. For both types, the process of c...