Polypropylene duct installation and classification
PP duct is a kind of ventilation duct made of polypropylene material. Compared with other pipe materials, it has the
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PP duct is a kind of ventilation duct made of polypropylene material. Compared with other pipe materials, it has the
Read MoreThe most widely used flame-retardant plastic duct in the market is the PP pipe (polypropylene pipe). Because polypropylene material itself has the
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