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阳光板耐力板防紫外线的重要性

来源:http://www.wanzhongyue.com/ 日期:2021-01-26 发布人:julong 浏览次数:

1、由于阳光板大量都在室外使用(厂房、公共建筑屋顶、采光顶采光带等),经受长期的强紫外线光照很容易板层中的分子链断裂,从而导致发黄,老化脆裂现象,如果出现这种情况,很容易影响产品的安全性能,尤其是在极端天气情况下。
1. Due to a large number of sunlight boards are used outdoors (factory buildings, public building roofs, daylighting belts, etc.), it is easy to break the molecular chain in the board layer under long-term strong ultraviolet light, resulting in yellowing, aging and embrittlement. If this happens, it is easy to affect the safety performance of products, especially in extreme weather conditions.、
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2、PC板的原料是聚碳酸酯,室外的日常气候本就含有紫外外,尤其是高温天气的紫外线,杀伤力极强。很容易就能使高分子材料化学降解,即老化。老化产品的不确定性很高,对性能一般或生产质量不过关的产品,使用到2-3年结果就会很明显,就需要更新换代,导致建筑使用的后期维护将会成本很高。
2. PC board is made of polycarbonate, and the outdoor daily climate already contains ultraviolet, especially in high temperature weather, which is extremely lethal. It is easy to make polymer materials chemically degraded, that is aging. The uncertainty of aging products is very high. For the products with general performance or poor production quality, the results will be obvious after 2-3 years of use, and they need to be updated, resulting in high maintenance cost in the later period of building use.
防紫外线保护层即UV层,UV防护层可阻挡高温日晒下的短波紫外线,即使一般的户外使用,高浓度UV涂层每年损失5um。因此对防紫外线的技术要求很高,其均匀度、厚度等标准参数,直接影响产品的合格与否。
UV protection layer is UV layer. UV protection layer can block short wave UV under high temperature. Even if it is used outdoors, high concentration UV coating loses 5um every year. Therefore, the technical requirements of UV protection are very high, and its uniformity, thickness and other standard parameters directly affect whether the product is qualified or not.
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