2022-3-24 11:17| 發(fā)布者: steelfu4mo| 查看: 1296| 評(píng)論: 0 |原作者: 佛山萬(wàn)慶物資
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很多人在選購(gòu)pcm彩涂板的時(shí)候，不知道真正優(yōu)質(zhì)的pcm彩涂板與劣質(zhì)的pcm彩涂板具體區(qū)別在哪里，因?yàn)楸砻娑疾畈欢啵也皇褂靡欢螘r(shí)間也不會(huì)出問題。對(duì)涂層的選擇要考慮的要素很多，它主要包括涂層種類、涂層厚度、涂層顏色和涂層光澤度。另外，有時(shí)侯還要考慮涂層的底漆和背面涂層的要求。目前用于彩色涂層鋼板的涂料種類有聚酯涂層（PE)、氟碳涂層（PVDF)、硅改性涂層（SMP）、高耐侯涂層(HDP）、丙稀酸涂層、聚氨脂涂層（PU）、塑料溶膠涂層（PVC)等。對(duì)顏色的選擇主要是考慮與周圍環(huán)境的匹配和客戶的喜好，但從使用技術(shù)角度講淺顏色涂料的顏料選擇余地大，可選擇耐久性優(yōu)越的無(wú)機(jī)涂料（如鈦白粉等），而且涂料的熱反射能力強(qiáng)（反射系數(shù)達(dá)到深色涂料的一倍）夏季涂層本身的溫度相對(duì)就低，這對(duì)涂層壽命延長(zhǎng)是有益的。另外，即使涂層變色或粉化，淺顏色涂層變化后與原顏色的反差小，對(duì)外觀的影響就不大。而深顏色（尤其是比較鮮艷的顏色）采用有機(jī)顏色的居多，遇紫外線照射容易褪色，最短的3個(gè)月就變顏色。據(jù)相關(guān)試驗(yàn)資料表明，在夏季中午外界溫度最高時(shí)，白色表面比藍(lán)色表面溫度低10度，比黑色表面低19度。不同顏色對(duì)太陽(yáng)光的反射能力是不同的。
When a lot of people are in choose and buy color coating board, do not know real high quality color coating board and inferior color coating board specific difference is where, because the surface is similar, and do not use a period of time also won't give a problem.The choice of coating to consider a lot of elements, it mainly includes coating type, coating thickness, coating color and coating gloss.In addition, sometimes you also consider the coating primer and the back coating requirements.At present, the coating types used in color coating plate are polyester coating (PE), fluorocarbon coating (PVDF), silicon modified coating (SMP), high tolerance coating (HDP), propionacid coating, polyurethane coating (PU), plastic sol coating (PVC) and so on.The choice of color is mainly to match the surrounding environment and customer preferences, but from the technical perspective of light color paint pigment choice, can choose superior durability of inorganic coating (such as titanium dioxide, etc.), and coating thermal reflection ability (reflection coefficient to twice the dark coating) summer coating temperature is relatively low, it is beneficial to coating life.In addition, even if the coating changes color or powder, the contrast between the light color coating and the original color is small, and the impact on the appearance is not large.And deep color (especially more bright color) use organic color in the majority, encounter ultraviolet light irradiation easy to fade, the shortest 3 months change color.According to the relevant test data, in the summer noon outside the temperature is the highest, the white surface is 10 degrees lower than the blue surface temperature, and 19 degrees lower than the black surface.Different colors have a different ability to reflect sunlight.