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厚型钢结构防火涂料粘结影响因素
发表时间:2018-06-06 19:24:10来源:/

因厚型钢结构防火涂料在涂刷施工的时,若要达到相应的耐火极限,其涂刷的厚度比薄涂型防火涂料要厚的多,这就要求厚型钢结构防火涂料在施工时,要特别注重防火涂料与基材的粘结强度,下面是影响厚型钢结构防火涂料的粘结强度的原因及处理方案:

The thickness of the fireproof coating for thick steel structure is much thicker than the thin coating type fire retardant when the fire retardant coating is used in the construction of the thick steel structure. This requires that the thick steel structure fire retardant coating should pay special attention to the bond strength of the fireproof coating and the base material during the construction, and the following is the fire retardant coating for the thick steel structure. The reasons for the bond strength and the treatment plan:
一、基层防腐质量低劣,强度不够;
First, the quality of the grass root anticorrosion is low and the strength is not enough.
二、未加707胶;
Two, without adding 707 glue;
三、涂料搅拌时间不够,料为熟;
Three, the paint mixing time is not enough, the material is ripe;
四、基层表面过潮或结水珠;
Four. The surface of the base surface is tide or water beads.
处理方案:
Treatment scheme:
专业防火涂料施工销售
1、检查防腐漆是否合格,如果有严重质量缺陷,涂料施工方可重请技术员做技术处理;
1, check whether the anticorrosive paint is qualified. If there is serious quality defect, the coating construction can re invite technicians to do technical treatment.
2、表面清理:
2. Surface cleaning:
①清除表面的浮尘及杂物;
(1) cleaning the surface of the dust and sundries;
②将707胶加入按1:1稀释,在涂层表面涂刷一遍,要求无漏涂并均匀;
(II) add 707 glue to 1:1, dilute it, and apply it on the surface of the coating.
③第一遍防火涂料喷雾需添加适量707胶,涂层厚度在0.3-0.5mm;
(3) adding 707 glue to the first time fire retardant coating spray, the coating thickness is 0.3-0.5mm;
④涂层在24h后或表面基本干燥后可进行下遍施工,厚度在0.5-0.7mm,直接打到设计施工厚度。
(4) after coating on the 24h or after the surface is basically dry, the coating can be constructed next time, with a thickness of 0.5-0.7mm, which directly hits the thickness of the design and construction.
施工过程中,要是遇到厚型钢结构防火涂料的粘结强度的问题,一定要冷静认真的分析造成粘结强度下降的原因,然后对症下药,找到最好的处理方案,保证厚型钢结构防火涂料施工的正常进行。
In the course of construction, if the bond strength of the thick steel structure fire retardant coating is encountered, it is necessary to analyze the reasons for the decrease of the bond strength, and then to find the best solution to ensure the normal construction of the thick steel structure fire retardant coating.
相信看了本文的专业防火涂料施工销售介绍后,对这方面也会有自己的一番认识,以后针对的等问题也能很好的解决。
I believe that this article, the professional fire retardant coating construction sales introduction, there will be a understanding of this aspect of this area, and the following problems can be well solved.

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