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620g PVC防水布料是一種厚實耐用的防水材料。它以聚酯或尼龍為基布，涂覆PVC涂層，防水性能出色，能有效阻擋水分。這種布料耐磨、抗撕裂，耐高低溫和紫外線，適合戶外使用。它可用于制作帳篷、篷布或防水包裝，是可靠的防水選擇。

620g PVC waterproof fabric is a thick and durable waterproof material. It is made of polyester or nylon as the base fabric, coated with PVC coating, which has excellent waterproof performance and can effectively block moisture. This fabric is wear-resistant, tear resistant, high and low temperature resistant, and UV resistant, making it suitable for outdoor use. It can be used to make tents, tarpaulins, or waterproof packaging, making it a reliable waterproof choice.