2021-12-20 18:17| 发布者: steelfu4mo| 查看: 722| 评论: 0 |原作者: 佛山万庆物资
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贴膜彩涂板外观美丽,具有优良的防火、耐腐蚀,抗酸碱等性能,耐火性、抗污染性具佳。但价格较高,其产品主要应用于家电、家具、室内装饰及车船内部装饰。大多钢基彩涂板要求平整锌花,零锌花热镀锌钢卷或电镀锌钢卷,近年有增加以热镀锌铝Galfan,铝锌Galvalume等合金镀层钢板作基板的趋势;贴膜彩涂板采用冷轧卷做基板,某些产品还以不锈钢做基板。无论采用哪种基板,对其表面,板形及尺寸精度均有很高的要求。背面漆的种类和颜色选择，当背面只涂一层漆时，这一层背面漆一般不考虑耐蚀性，膜厚通常为8~10μm。 这时若选用热镀锌基板，一般情况下，用于制作建筑外板内侧用尚可。彩涂板的耐热性，普通热镀锌产品通常使用温度不超过230℃，250℃时会变色，而镀铝锌板可在315℃环境下长期使用不变色。宝钢耐热钝化处理的镀铝锌钢板，在300℃环境下120小时，其颜色变化较铝板和镀铝板的变化均小。
Film color coating board has a beautiful appearance, with excellent fire prevention, corrosion resistance, acid and alkali resistance and other properties, fire resistance, pollution resistance.But the price is higher, its products are mainly used in home appliances, furniture, interior decoration and car and ship interior decoration.Most steel base color coating plate requires flat zinc flower, zero zinc flower hot galvanized steel roll or electroplating galvanized steel roll, in recent years there is a trend to increase the hot galvanized aluminum Galfan, aluminum zinc Galvalume and other alloy coated steel plate as substrate plate; film color coating plate using cold rolled roll as substrate, some products also stainless steel substrate.No matter which substrate is used, its surface, plate shape and size accuracy have very high requirements.The type and color of the back paint, when the back is only one layer, this back paint generally does not consider corrosion resistance, the film thickness is usually 8~10 m.At this time, if the hot galvanized substrate is selected, in general, the inside of the building is ok.Heat resistance of color coated plates, ordinary thermal galvanized products usually use a temperature of no more than 230℃, and change color at 250℃, while aluminum galvanized plates can be used for a long time in a 315℃ environment.Baosteel heat-resistant galvanized steel plate changed less in color for 120 hours at 300℃.
