Shanghai "Yingfan" brand HDPE geomembrane (ti a tun mọ ni: polyethylene geomembrane giga-iwuwo) nlo polyethylene wundia resini didara, paati akọkọ jẹ 97.5% polyethylene giga-iwuwo, nipa 2.5% carbon dudu, awọn aṣoju anti-ti ogbo, awọn antioxidants, UV absorbers, stabilizers ati awọn miiran wiwọle ...
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