国产精品丝袜一区_亚洲欧美日韩国产综合_972aa.com艺术欧美_亚洲综合久久av_国产女主播一区_亚洲国产激情av_久久久五月婷婷_国产亚洲综合性久久久影院_色婷婷av一区二区_韩国在线一区二区_一区二区三区波多野结衣在线观看_欧美日韩国产精选_中国色在线观看另类_99国产欧美久久久精品_91麻豆精东视频_国产精品久久久久永久免费观看

1、Waterproof mechanism: the real sense of "skin type" waterproof ensures "zero leakage"

2、Service life: 50 years

3、Super elongation: the elongation at break is more than 1000%, and the recovery rate is more than 90% (the elongation of domestic mainstream products is only 450%)

4、Self sealing and self-healing, anti mechanical puncture

5、Corrosion resistance

6、Excellent pre spray anti adhesion performance

7、High and low temperature resistance

8、Greatly save the construction period

9、No safety and environmental accident risk