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为什么镜子背面打上玻璃胶,一段时间后,镜面出现花斑或胶的痕迹?

作者:J9九游会AG胶粘剂 时间:2019-05-25 11:18:52   tags:

市场(chang)上(shang)镜子(zi)通(tong)(tong)常有(you)三种不同的(de)(de)(de)背(bei)面(mian)(mian)(mian)镀层:水银(yin)、纯银(yin)和(he)铜。常见的(de)(de)(de)镜子(zi)施胶(jiao)一段(duan)时间(jian)(jian)后(hou)镜面(mian)(mian)(mian)出(chu)现(xian)花斑,此情况(kuang)应该是用(yong)户使用(yong)了酸(suan)性(xing)(xing)(xing)玻(bo)璃胶(jiao),而酸(suan)性(xing)(xing)(xing)玻(bo)璃胶(jiao)通(tong)(tong)常与上(shang)述材(cai)质(zhi)会发生反(fan)应,造成(cheng)镜面(mian)(mian)(mian)看(kan)到花斑。因此J9九游会AG 强调(diao)应该选用(yong)中性(xing)(xing)(xing)胶(jiao),而中性(xing)(xing)(xing)胶(jiao)分为醇型(xing)(xing)和(he)酮(tong)肟型(xing)(xing)两种。若铜底的(de)(de)(de)镜选用(yong)酮(tong)肟型(xing)(xing)中性(xing)(xing)(xing)胶(jiao),则酮(tong)肟会对铜质(zhi)材(cai)质(zhi)有(you)轻微(wei)腐蚀,施工(gong)一段(duan)时间(jian)(jian)后(hou)镜面(mian)(mian)(mian)看(kan)到背(bei)后(hou)施胶(jiao)处(chu)有(you)腐蚀过(guo)的(de)(de)(de)痕(hen)迹,若改(gai)用(yong)醇型(xing)(xing)中性(xing)(xing)(xing)胶(jiao)便不会出(chu)现(xian)此现(xian)象。以上(shang)都是由于基材(cai)多样性(xing)(xing)(xing)造成(cheng)的(de)(de)(de)选材(cai)不当。因此建议用(yong)户用(yong)胶(jiao)之前,最好做一个(ge)相(xiang)溶性(xing)(xing)(xing)测试,看(kan)胶(jiao)是否(fou)与材(cai)料相(xiang)溶才(cai)用(yong)。选用(yong)恰当的(de)(de)(de)玻(bo)璃胶(jiao)产品才(cai)能避免不必(bi)要(yao)的(de)(de)(de)损失。

 


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