wxszwc.com
PVC瓦_PVC瓦塑料瓦_覆膜瓦_无锡海纳建材科技有限公司
PVC瓦是分别采用电石法和乙烯法两种不同生产提炼工艺制造的PVC（俗称：聚录乙烯）为主要原料生产的屋面瓦，又叫PVC瓦塑料瓦。产品阻燃级别可达B1级要求。在浓硫酸下浸泡无灼伤锈蚀。PVC瓦是建筑屋面防腐蚀瓦！覆膜瓦分PVC覆膜钢板、ASA覆膜瓦、PVDF覆膜瓦等防腐蚀覆膜瓦
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