九九在线视频精品福利_鉴黄师免费下载app_国产黄a大片真人免费观看_亚欧免费无码?Ⅴ在线观看_被暴雨淋湿的上司躲雨中文字_悠悠中文字幕亚洲精品_人与动另类z0z0欧美视频_一级 片内射视频播放_色婷婷久久综合一区二区三区_gogogo高清在线观看中国

ChineseEnglish Hotline:0571-86062609
Industry information current location:Home  > News > Industry information
Waterproof breathable film Click rate: Release time:2024-08-19 Information sources:Hangzhou Qiyao New Material Co.,Ltd.
Waterproof breathable film is a new type of polymer waterproof material. In terms of manufacturing technology, the technical requirements of waterproof and breathable film are much higher than those of common waterproof materials, and in terms of quality, waterproof and breathable film also has functional characteristics that other waterproof materials do not have. Waterproof breathable film mainly consists of three layers: PP spunbonded non-woven fabric, PE polymer breathable film, PP spunbonded non-woven fabric. The function of spunbonded non-woven fabric is to enhance tension and hydrostatic pressure and to protect the middle layer (breathable film)
Copyright ? 2017 qiyaomaterial.com All Rights Reserved Copyright·Hangzhou Qiyao New Material Co.,Ltd. Zhejiang ICP No. 17034714-1