PVC coated negative pressure air duct

Product Description

Usage *-the air exhaust systerm in coal mine, non-metallic mine and tunnel Material***-ployester, polyvinyl chloride and steel Origin**-Sichuan China Brand**- JULI Color**- usually black, other color available JULI PVC coated negative pressure air duct series are wildly uesed in the mine in China. Their high quality has gained good requtation. Features: 1) high tenacity ployester fiber substrate with two side coated calendered PVC film, steel ring or steel spring as the frame. 2) long-time and stable anti-static. In the usual use environment, the capability of anti-static does not change as temperature and humidity varies and time goes by 3) flame retardent 4) superior broken tensile strength and tear strength. 5) extremely low air leakage rate in a hunderd meter 6) extremely low drag coefficient in a hunderd meter 7)endure the temperature variation 8) higher fold-resistant 9) easier in repairing *0) pro-environmental The series are different in fuction, size and some other parameter. They are supplied according to the requirement of buyers, such as the diameter and length.