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    环氧地坪漆施工对基面有哪些要求?施工前基面处理方法?

    2019-07-17 19:14:49 无锡盛发地坪科技有限公司 阅读

    为什么要在环氧地坪漆施工前处理基面的呢?主要原因还是为了使得环氧地坪漆的最后呈现产品质量和使用效果更好,使用年限更长。可能大家都不是很了解环氧地坪漆的质量好坏这一块,除了原材料的影响外,还需要施工师傅的经验把控,基面处理到什么样的程度、材料使用比例、涂抹均匀程度、施工温度等等因素都会有影响。无论什么种类的环氧地坪环氧地坪漆施工前基面处理都有一定的要求,下面我们一起来看一下:

    Why should the base surface be treated before the epoxy floor paint construction? The main reason is that in order to make the final appearance of epoxy floor paint product quality and use effect better, the service life is longer. Maybe everyone is not very familiar with the quality of epoxy floor paint. In addition to the impact of raw materials, it also needs the experience of the construction master to control. The degree of base treatment, the proportion of materials used, the uniformity of coating, construction temperature and other factors will have an impact. No matter what kind of floor, there are certain requirements for the base treatment before the construction of epoxy floor paint. Let's take a look at the following:

    1. 基层表面的PH测定必须小于8,要保持一定的碱度,符合环氧地坪漆涂料要求;

    1. The determination of PH on the surface of base must be less than 8. It should keep a certain basicity and meet the requirements of floor paint.

    2. 表面一定要坚实、平整,粉化、酥松、起鼓、脱皮等一定要注意,而且不可太过于光滑,以至于影响粘结,比较大的缺陷、蜂窝、裂缝、洞孔、麻面、板缝等要收拾平整;

    2. Surface must be firm and smooth, powder, crisp, bulging, peeling and so on must be paid attention to, and not too smooth, so as to affect bonding, relatively large defects, honeycombs, cracks, holes, linen surface, plate seams, etc. to be tidied up and smooth;

    3. 基层的表面必须清洁到位,无论是灰尘、泥土,还是脱模剂、油污、白灰等任何可能影响地坪漆涂料粘结的杂物、污渍都要注意,否则最后因为这些因素导致地坪漆崩裂、翘皮、鼓包的如果范围大的话,还需要重新翻新打磨,再次施工;

    3. The surface of the base must be cleaned in place, no matter dust, clay, demoulding agent, oil stain, white ash and other impurities that may affect the adhesion of floor paint, we should pay attention to them. Otherwise, if the scope of floor paint cracks, warps and bulges is large, they need to be renovated and polished. Second construction;

    4. 基层必须保持干燥,环氧树脂地坪漆等溶剂性涂料基层含水率要求不大于8%,水性地坪漆涂料在施工时,含水率要求在10%以下。

    4. The base must be kept dry. The moisture content of solvent coatings such as epoxy floor paint is not more than 8%, and that of water-based floor paint is less than 10% during construction.

    一、结构强度

    I. Structural Strength

    结构强度必须要符合规范,结构强度可以在现场使用回弹仪进行测量得出结果,一般情况下环氧地坪漆的基面结构强度是不低于20N/MM2。

    Structural strength must conform to the specifications. Structural strength can be measured by springback instrument on site. Generally, the base structural strength of epoxy floor paint is no less than 20N/MM2.

    二、硬化时间足

    2. Time of hardening

    对于刚施工完毕的混泥土基面必须要有足够的硬化时间,而不是混泥土基面一干就立马进行施工,一般在相对湿度65%,温度20°以上的情况下,需要进行自然干燥28天以上才进行地坪漆施工。

    For the newly constructed concrete foundation surface, it must have enough hardening time, rather than the construction of the concrete foundation surface as soon as it is dry. Generally, in the case of relative humidity of 65%, temperature of 20 degrees or more, it is necessary to dry naturally for more than 28 days before the construction of floor paint.

    三、基面含水量

    3. Base Water Content

    环氧地坪漆施工的时候基面的含水率必须不能超过5%,否则会在环氧地坪漆施工的过后造成各种问题,一般环氧地坪漆施工队使用两种方式进行含水率测试,第一招是电子水分测量仪可以实际含水量,第二招是薄膜测试法,用透明聚乙烯薄膜贴在混泥土表面,如果薄膜出现水珠或者混泥土表面发黑,则是含有水分。



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