Ways to improve the technical performance of insulating glass processing equipment: 1. The planar size of the glass increases the planar size of the insulating glass, which can reduce the heat loss per unit area of ​​the insulating glass and improve the overall

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The polypropylene fiber is polymerized from propylene, and the solution is spun. Because there is no polar group on the macromolecule, the intermolecular force is small, and since the molecular chain is relatively soft, the glass transition temperature of the polypropylene is below 0 °C, and the