620g PVC防水布料是一种厚实耐用的防水材料。它以聚酯或尼龙为基布，涂覆PVC涂层，防水性能出色，能有效阻挡水分。这种布料耐磨、抗撕裂，耐高低温和紫外线，适合户外使用。它可用于制作帐篷、篷布或防水包装，是可靠的防水选择。

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.