煤矿井下用聚氯乙烯（PVC）管性能特点：
The performances of
underground coal mine PVC pipe:
安全性高：高抗冲、抗静电、阻燃，采用三层共挤、一次成型生产工艺，均符合国家煤
矿井下安全使用条件(MA),优异的抗冲击性能保证产品在井下恶劣的环境下的使用安全。
High safe performance:
high impact resistance, anti-static and anti-flaming. The technology is
three-layer co-extrusion and one step formation, which is accordance with
national coal mine safe using condition(MA). The excellent impact resistance
ensure that PVC pipe are used safely in the harsh environment.
重量轻：比重小，方便搬运与使用。
Light weight: low density, easy to move and use
耐腐蚀：管材不需做防腐处理，直接连接使用。
Corrosion resistance: The pipe don’t need to do the anti-corrosion treatment. It can be used directly.
安装方便：连接方式简单易行，易于井下安装施工。
Easy installation: Easy to connect and easy to install underground
成本低：综合造价低于同类产品，且使用寿命长。
Low cost: Comprehensive
cost is lower than other similar products. Long using life
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