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浅谈内墙涂料涂层耐沾污能力综合评价

日期:2016年7月4日 浏览[1117]

根据涂层对各种污渍的去除能力,将涂层抗单种污渍能力分为十个等级,1-10级(即评分值1-10分)。其中1级所对应的X内值是各污渍涂布在涂层上的初始值,也即对该污渍没有任何的去除能力。10级代表最高的污渍去除率,相当于能去除绝大部分污渍。同时,依照污渍的深浅进行分级,即当污渍相对颜色较深时,级差相对较大;当污渍相对颜色较浅时,级差相对较小。


According to the coating on the removal of various stains, the ability to resist a single stain is divided into ten grades, 1-10 grade (that is, the score 1-10 points). The corresponding X value of the 1 level is the initial value of the stain coating on the coating, that is, there is no removal ability of the stain. The 10 level represents the highest stain removal rate, which is equivalent to most of the stains can be removed. At the same time, in accordance with the depth of the stains were graded, namely when stains relatively darker colors, differential is relatively large; when the stains relatively lighter in color, graduation is relatively small.


综合涂层对六种污渍去除能力的分级结果,来最终评价内墙涂料涂层的耐沾污综合能力。


Classification results of comprehensive coating removal ability of six kinds of stains, to the final evaluation of interior wall paint coating stain resistance ability.


结果评定


Result evaluation


采用0~4级共五个等级来评定试验结果,分别与基本灰卡(GB/T250)5、4、3、2、1共五个等级相对应(见表3)。


Test results were evaluated by 0 to 4 grades and five grades, respectively, with the basic grey cards (GB/T250) 5, 4, 3, 2, 1 and a total of five grades (see Table 3).


取两块试验后的涂层试板分别与一块未经试验的涂层试板按GB/T9761-2008中8.2b常规法比色箱与基本灰卡的色差进行比色评定等级。


After the removal of the two blocks of trials coated test panels respectively and a block without the coating test and test plate according to the GB/T9761-2008 in 8.2b of conventional colorimetric box and basic gray card color colorimetric rating.


评定等级


Assessment level


耐沾污性等级/级污染程度观感色差灰卡等级/级0无污染无可觉察的色差51很轻微有刚可觉察的色差42轻微有较明显的色差33中等有很明显的色差24严重有严重的色差1


Stain grade / level pollution degree of perception of color gray card level / 0 no pollution can not be perceived color 51 very minor had perceived color 42 minor obvious color difference 33 medium has obvious color difference 24 serious serious color difference 1

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