中华成人网_好姑娘免费中文在线观看_黄头发2_两个人看的视频日本2018_善良的母亲4在线完整视频观看_精品视频_国产精品久久久久久影院_果冻传媒色AV国产播放_国产人伦人妻精品一区二区_野花高清免费观看完整视频中文版_6699嫩草久久久精品影院_日本毛片免费韩国_亚洲 图 欧洲 自拍 图片_91巨炮在线观看_寂寞夜晚免费观看视频_美女搞基动态图_丁香五六月婷婷_国产美女被爽到高潮免费A片小说_亚洲深夜在线_蜜桃群交高潮小说

The product has high transparency, high stiffness, excellent thermal stability, excellent water-proof, oil-proof and chemical-proof and good barrier property.
　　Widely used in protective packaging such as pictures、certificates、documents and office supplies.