Paint knowledge: the culprit of paint pollution

Core tip: decoration pollution has always been a concern of people, especially in recent years The population of cancer and leukemia caused by decoration is increasing year by year Paint is one of the necessary decorative materials for home decoration The safety of paint is directly related to the safety of home decoration, and the safety of home decoration directly affects the health of family members, so the quality of paint is directly related to the health of family members There are five kinds of harmful substances in the paint, and the contents of these five harmful substances also directly affect the safety and environmental protection of the paint 1 VOC (volatile organic compounds) VOC is a volatile organic compound Application scope and advantages of roller ceramic coating Recommended introduction: the surface of ceramic rubber plate used for roller ceramic coating is cast into durable rubber plate by hundreds of independent small ceramic pieces Each ceramic piece has raised characteristics Under general conveyor belt pressure, thousands of unique cast bumps can produce positive traction, prevent slipping and extend the service life of conveyor belt roller At the same time, the bottom layer adopts high-quality rubber, which has strong elasticity and can play a good impact resistance role The scope of application of roller ceramic coating is one three six 83857180 (the same as V) 1 Roller coating in extremely harsh working environment 2 The belt joint is not suitable for fixing with iron buckle; 3 It is suitable for leather Paint Home News: decoration pollution has always been a concern of people, especially in recent years The population of cancer and leukemia caused by decoration is increasing year by year Paint is one of the necessary decorative materials for home decoration The safety of paint is directly related to the safety of home decoration, and the safety of home decoration directly affects the health of family members, so the quality of paint is directly related to the health of family members There are five kinds of harmful substances in the paint, and the contents of these five harmful substances also directly affect the safety and environmental protection of the paint 1 VOC (volatile organic compounds) VOC is the abbreviation of volatile organic compounds (VOCs) VOCs refer to the organic substances in the paint that do not form the paint film and eventually volatilize to the atmosphere After volatile organic compounds volatilize into the air, they will react with oxygen in the air to generate ozone, which is harmful to the atmospheric environment and human health 2 TDI (toluene diisocyanate) TDI mainly exists in the paint in the decoration, which comes from the synthesis of PU paint curing agent Free TDI beyond the standard will cause harm to human body, mainly sensitization and stimulation, eye pain, tears, conjunctival congestion, cough, chest distress, shortness of breath, asthma, red papule, macular papule, contact allergy and other symptoms 3 Formaldehyde is a colorless gas with strong pungent smell It is volatile and highly toxic 35% - 40% formaldehyde solution is called formalin Formaldehyde has high toxicity 4 Benzene, toluene and xylene belong to highly toxic substances, toluene and xylene belong to low toxic substances, inhalation of a certain amount of benzene, toluene and xylene will cause poisoning, and even damage the hematopoietic system and nervous system 5 Soluble heavy metals refer to metals with a density greater than 4.5g/cm3, such as lead, cadmium, chromium, mercury, etc Some of the resins, pigments or driers in the paint may contain soluble heavy metals If the paint is exposed to heavy metals such as lead for a long time, it may cause mild neurasthenia syndrome and dyspepsia, while the more serious ones may have anemia and lead paralysis All kinds of paints are composed of film-forming substances (various resins), solvents, pigments, desiccants and additives Ordinary paint usually uses gasoline as solvent, epoxy iron red primer contains a small amount of xylene, dip paint mainly contains toluene, but also a small amount of benzene Paint (nitrolacquer) and diluent (banana water) contain a lot of benzene or toluene, xylene The main occupational hazard of paint production is inhalation of organic solvent vapor, which makes the proportion of patients with aplastic anemia, leukemia, tuberculosis, pleurisy and other serious diseases quite high Most of the painters who have worked for more than 10 years have symptoms of cough, fatigue, headache, chest tightness and weakness of limbs [focus on WeChat official account "paint net"; pay attention to surprises, scan code to see if your husband is selling paint.. 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