Second, the structure of the ventilation tube fabric and size specifications

Mining Air Duct Variety: Hair dryer According to the coating material is divided into rubber coated cloth positive pressure hairdryer, plastic coated cloth positive pressure hairdryer and rubber coated cloth positive pressure hairdryer.

Duct wind pressure: Duct after the wind pressure test shall not produce duct out of touch, coated cloth tear, seam openings and so on. Drum diameter expansion rate of not more than 3.0%.

Wind pressure measurement: the pressure inside the cylinder reaches 5000 ~ 5100Pa, and maintain 5min, observe whether the out of the ventilation tube, tear, seam openings and other anomalies.

Mining ventilation fabric has a very strict requirement:

1.     Wind pressure resistant

2.     Flame Retardant

3.     Anti-static

4.     Good adhesion

5.     Good tensile and tensile strength.

DERFLEX have more than 15 years’ experience producing the air duct tarpaulin material. If you have more interest, please contact us freely.