装修后闻不到味道不等于没有污染，甲醛超标4倍以上才能闻到剌激性的气味。
No foreign smell after decoration does not mean that there is no pollution, for example, there will only be irritating odor when the formaldehyde is 4 times more than the usual level.
另外要注重，非环保型的涂料由于VOC、甲醛等有害物质超标，大多有刺激性气味，选择时一定要谨慎。
Want to notice additionally, blame environmental protection coating exceeds bid as a result of the harmful material such as VOC, formaldehyde, mostly stimulating odour, when the choice must careful.
水溶液的浓度最高可达55%，通常是40%，称做甲醛水，俗称福尔·马林(formalin)，是有刺激气味的无色液体。
Aqueous solution of the highest concentration of up to 55%, usually 40%, called the formaldehyde water, commonly known as Faure Marin (formalin), is to stimulate the smell of colorless liquid.
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