1, Resistance to twists and turns: bi o tayọ bi adayeba alawọ, ko si dojuijako ni 200,000times twists ni deede otutu, 30,000times ko si craks ni -20 ℃.2, Iwọn elongation ti o yẹ (ifọwọkan alawọ to dara) 3, Yiya ti o ga ati agbara peeli (yiya giga / resistance yiya / agbara fifẹ to lagbara…
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