Ventilation fabric ducting consist of a woven or knitted textile made from polyester yarn coated on both side with softened pvc, normally yellow or grey. The polyester textile give the ventilation dusts its mechanical strength. Different textile spec are used in the different ventilation duct qulaities, more detailed information can be found in the material specifications. the ventilation fabric can be made to fire proof, UV proof and antistatic, for coat mine it is important to make sure it is safe.
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