如何区分防爆膜的质量好坏?

2025-03-04 11:08:22
推荐回答(3个)
回答1:

1、看电镀层是否均匀
拿起一块建筑防爆膜,观看它的电镀是否均匀,均匀者为质量好的膜,不均匀者为质量不好的膜。
2、化油器清洗剂试验法
用一块膜,在地上磨擦或将化油清洗剂(也称“化清剂”)喷在膜上,掉色的为劣质膜,也即是通常所说的染色膜。不掉色的则为优质膜,也即原色膜。
3、看是否有静电吸引力
由于低档膜中所用金属材料甚少,所以当磨擦低膜时,它会左右滑动;而高档膜由于含金属材料较多,它具有一种静电吸引力,因此在磨擦时不滑动。
4、照分析法
因为不同档次的膜隔热效果不一样,所以我们可采用大功率的太阳灯(500w—700w)照射在膜的表面。如果是低档膜隔热效果差,隔着膜也会感到烫手,而高档膜因为几乎没有什么热量可穿透它,故隔着膜不觉得热。
5、从耐磨性上区分
低档膜耐磨层不耐磨,而高档膜则有相当的抗磨性,所以,我们拿到一块建筑防爆膜,区分清它的保护层后,只要在耐磨层上磨擦几下,看它是否有花纹产生。有花纹者为低档膜,无花纹者为中高档膜。

回答2:

以优玛防爆膜为例,UMA防爆膜是美国高档防爆膜品牌,辨别质量好坏,主要是通过清晰性能、隔热率、防爆、紫外线隔断率、颜色、胶与颗粒泡、防眩光和膜面防划伤层等9个方面来区别,优玛防爆膜在这9个方面都有很好的表现。具体的如下:
(1)清晰性能
这是汽车膜最重要的性能,其它任何性能都必须经其为主,因为清晰性能直接关系到人身安全,不论膜的颜色多深,在夜间倒车时,应当视野清晰而模糊,从后视镜和后风挡能到60m以内的物体,而劣质膜拿起来看时,会有雾朦朦的感觉。
(2)隔热率
隔热率是体现隔热性能的重要指标,目前优质的防爆膜隔热率在50—以上,(更高的可达70%以上),高透光、高隔热,可提高舒适性,降低空调负荷,节省燃油。
(3)防爆
防爆是指在汽车发生意外事故时,不会产生玻璃的飞溅而造成人身伤害,这也是汽车膜的一个重要性能,当膜片满足防爆要求时,越薄越好,膜片越薄,清晰度越高。
(4)紫外线隔断率
对于防爆膜来说,紫外线隔断率基本性能必须达到98%以上,好膜能有效防止乖员被过量的紫外线照射,灼伤皮肤,现时,还能吟车内音响等装饰不会被晒坏,褪色老化,而劣质膜没有这一指标,又或者远远低于98%的标准。
(5)颜色
防爆膜通常是采用本体渗染各溅射金属的方法令膜有颜色,纯溅射金属使膜有金属色称为自然色,采用这两种方法着色的膜是不易褪色的,尤其是自然色 的膜,但市场上很多低档劣质膜,大多采用粘胶着法来着色,那就是在粘胶中加入颜料,然后涂在无色透明膜上使膜有颜色,这种膜不而晒很易褪色,严惩的会褪成 无色透明。
(6)胶与颗粒泡
胶当然是越薄越好,因为胶会老化,胶层越厚老化的越快,会影响膜的寿命,更重要的是会影响膜的清晰性能,所以高质量的膜层都极薄。颗粒泡是由于空气中漂浮的尘埃产生的,有贴膜过程中是不可避免的,胶层厚了,贴膜时能将尘埃压进胶里,所以颗粒并不明显,高质量的胶层很薄,颗粒泡就比较明显,这也是区分膜片好坏的一个重要方法。
(7)防眩光
防眩光就是在面对阳光开车,或者夜间会车时,可消除剌眼的感觉,这对汽车膜来说,这个性能也很重要。
(8)膜面防划伤层(而磨保护层)
优质高档的膜表面都有一层防划层,在正常使用下能保护膜面不易被划伤,而低档膜就无此保护层,在贴膜时就会被工具刮出一道道划痕,令膜面不清晰。

回答3:

带你了解:如何分辨贴膜质量,防爆膜是否有效

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