PVC composite needle-punched cotton heat insulation part

Product Introduction   1. Core Product Overview   Classified under Heat insulation product category, PVC composite needle-punched cotton heat insulation part is made of PVC substrate combined with dense needle punched fiber cotton, processed into split semicircular shape with reserved locating holes and clamping notches for matching circular inner cavity of rotary and refrigeration industrial equipment. The composite layered structure combines stable shaping property of PVC base and porous buffering advantage of fiber cotton, ensuring the split semicircular liner fits tightly inside curved equipment cavity after assembly and maintains fixed position against long term mechanical vibration and ambient temperature variation. The prefabricated positioning holes and bayonet notches realize quick snap fixation without extra fixing parts to streamline field installation workflow greatly. All finished pieces pass alternating temperature aging and compression durability testing before factory…

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