Common materials for industrial gas exhaust hose
PU duct hose is a flexible hose which is for ventilation and material handling. It is made from high quality PU with spiral steel wire. It is highly wear, ozone and weather proof. Besides, it resists twist and will not deform. It can also work at both high and low temp. Because of these features, it gradually replaces the PVC hose.
However, the quality of PU duct is quite different on the market. Bad quality PU duct hose is not that durable than the high quality one. Thus it will has a short service life. In another hand, the performance is also not good.
Then how to choose a high quality PU hose?
First, choose the hose by appearance. The high quality PU vacuum hose is highly clear. Because the material is the highest level of BG. While it resist tear, freeze and oxidation and has a long service life. Second, it has high tensile strength, tear strength and wear resistance. In addition, it can resist UV and cold. While it remains flexible even at -40℃. What’s more, it can transfer abrasives like particle and powder. Also, because it does not contain halogen agents and softeners, it is ideal for food process.
However, the price of such PU duct hose is high because of the great properties. But the quality is really good. Thus when you want to buy a PU duct hose, also compare the price.
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