Copper sheet is a kind of highly stable roofing and facade cladding material, requiring few maintenance. Copper sheets are environmental, safe, easy to be processed and highly corrosion-resistant.

铜板是一种高稳定、低维护的屋面和幕墙材料，铜板环保、使用安全、易于加工并极具抗腐蚀性。

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By adopting the method, the diphenol monomers with a macromolecular structure can be polymerized with the binary acid monomer to obtain the highly heat-resistant and transparent polyester material.

通过上述方法可将具有巨大分子结构的二酚单体与二元酸单体聚合，得到高耐热且透明的聚酯材料。

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The new material is highly resistant to steam and water.

这种新材料具有很好的耐水蒸气性和防水性。

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