通风管按材质分类
Ventilation pipe classification by material
通风管一般有：船用通风管有正压通风管和负压通风管及PE薄膜通风管。通风管、镀锌板（白铁）风管、不锈钢通风管、玻璃钢通风管、塑料通风管、复合材料通风管、彩钢夹心保温板通风管、涂胶布通风管（如矿用风筒）、矿用塑料通风管等；伸缩通风管，阻燃风管， 铝箔复合保温管；中央空调保温软管。
The ventilation pipes generally include: positive pressure ventilation pipe, negative pressure ventilation pipe and PE film ventilation pipe. Ventilation pipe, galvanized sheet (white iron) air pipe, stainless steel ventilation pipe, fiberglass ventilation pipe, plastic ventilation pipe, composite material ventilation pipe, color steel sandwich insulation board ventilation pipe, adhesive coated ventilation pipe (such as mining air pipe), mining plastic ventilation pipe, etc.; expansion ventilation pipe, flame-retardant air pipe, aluminum foil composite insulation pipe; central air conditioning insulation hose.