2021-12-20 18:17| 發(fā)布者: steelfu4mo| 查看: 1080| 評論: 0 |原作者: 佛山萬慶物資
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貼膜彩涂板外觀美麗,具有優(yōu)良的防火、耐腐蝕,抗酸堿等性能,耐火性、抗污染性具佳。但價格較高,其產品主要應用于家電、家具、室內裝飾及車船內部裝飾。大多鋼基彩涂板要求平整鋅花,零鋅花熱鍍鋅鋼卷或電鍍鋅鋼卷,近年有增加以熱鍍鋅鋁Galfan,鋁鋅Galvalume等合金鍍層鋼板作基板的趨勢;貼膜彩涂板采用冷軋卷做基板,某些產品還以不銹鋼做基板。無論采用哪種基板,對其表面,板形及尺寸精度均有很高的要求。背面漆的種類和顏色選擇，當背面只涂一層漆時，這一層背面漆一般不考慮耐蝕性，膜厚通常為8~10μm。 這時若選用熱鍍鋅基板，一般情況下，用于制作建筑外板內側用尚可。彩涂板的耐熱性，普通熱鍍鋅產品通常使用溫度不超過230℃，250℃時會變色，而鍍鋁鋅板可在315℃環(huán)境下長期使用不變色。寶鋼耐熱鈍化處理的鍍鋁鋅鋼板，在300℃環(huán)境下120小時，其顏色變化較鋁板和鍍鋁板的變化均小。
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℃.
