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    Home > Coatings News > Paints and Coatings Market > Common knowledge of coating: what are the types of harmful substances in interior wall coating?

    Common knowledge of coating: what are the types of harmful substances in interior wall coating?

    • Last Update: 2020-04-03
    • Source: Internet
    • Author: User
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    Core tip: [news] the current market's interior wall coating is mainly based on synthetic emulsion based latex paint, and there are still a large number of 106 in economically underdeveloped areas Coatings, the main harmful substances of water-based interior wall coatings limited by national standards include VOC (organic volatile), heavy metals (lead, cadmium, mercury, chromium), formaldehyde and their polymers The production of these harmful substances in coatings has its origin, but it is not suitable for latex paint For example, organic volatile substances are from oil-based coatings, and the actual VOC content in latex paint is only About 3% (Note: VOC detection in the national standard is not scientific, and the number detected Paint agent, top 10 Chinese wall paint brands Recommended introduction: interior wall paint and exterior wall paint can achieve beautiful, clean and pleasant effects, but the effects in different environments are different, so the color of the paint will be different There are ten brands of Chinese paint, ten brands of global paint, ten brands of Chinese wall paint, and ten brands of Chinese paint, Famous trademark of Chinese paint and coating In private rooms, most of us choose according to our own personality, personal hobbies and living habits The younger generation will choose the interior wall paint with rich colors and bright colors, while the older ones will have some working experience Coatings home news: [news] the current market's interior wall coating is mainly based on synthetic emulsion based latex paint There are also a large number of 106 coatings in underdeveloped areas The main harmful substances of water-based interior wall coatings limited by national standards include VOC (organic volatile), heavy metals (lead, cadmium, mercury, chromium), formaldehyde and their polymers The production of these harmful substances in coatings has its origin, but it is not suitable for latex paints For example, organic volatile substances are derived from oil-based coatings, latex The actual VOC content in the paint is only about 3% (Note: the VOC detection in the national standard is unscientific, and the data detected is not objective, even the data detected by the same testing agency and the same personnel are not reproducible, and the relevant departments are discussing solutions) The main components of these VOCs are propylene glycol (which can be used in the cosmetics), dodecyl alcohol, etc., which cannot be included in the list of Category of harmful substances At the same time, excessive control of VOC is not conducive to improving product quality Heavy metals come from a large number of color pigments containing heavy metals used in traditional low-grade paints For white paints and latex paints formulated with new organic pigments, the content of heavy metals is far lower than the national standard The limitation of formaldehyde comes from 106 coatings, because the materials used in the production of this kind of coatings contain a large amount of formaldehyde Generally, there is no artificial addition of formaldehyde in the production of modern latex paint, and the existence of trace formaldehyde is caused by the by-products in the synthesis process of some raw materials Compared with other materials (such as adhesive, artificial board) in home decoration, formaldehyde content in latex paint is much less Therefore, we generally do not need to consider the harm of latex paint to human body From the detection results of preventive medicine, latex paint belongs to non-toxic products Home of coatings is specialized in coatings, diatom mud, paint coating, coating technology, fire retardant coating news and coating, diatom mud, paint coating, coating technology, fire retardant coating decoration knowledge and decoration renderings,
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