According to the analysis of relevant experts of Shenzhen Institute of Metrology and Quality Inspection, the main reason for the unqualified release of formaldehyde in wood furniture is that the formaldehyde content of raw materials exceeds the standard. Some furniture enterprises have not tested the formaldehyde content of the purchased wood-based panels and glues. Production, there is also the backward production process of the enterprise.
According to reports, formaldehyde in wood-based sandwich adhesives usually takes 8 to 15 years to evaporate. In other words, if you use this kind of unqualified furniture, it means that you have been chronically polluted by unconsciously for many years.
So, is solid wood furniture more environmentally friendly than sheet furniture? According to a furniture salesman told reporters, solid wood furniture is also divided into several types. If it is pure natural solid wood and is not painted, there is basically no pollution hazard. However, many solid wood furniture on the market are used in combination with the board, and the surface will be painted, and the paint will generally contain heavy metals, which depends on whether the harmful heavy metal content exceeds the standard.
The reporter found that in order to dispel some consumers' concerns, some businesses promoted their furniture using water-based paint without heavy metals. However, experts have pointed out that water-based paint is a concept opposite to paint. Although the content of heavy metals such as lead, mercury and chromium contained in water-based paints is much lower than that of oil-based paints, there is more or less a certain amount of heavy metals. From the VOC content, the paint contains about 700 grams per liter, and the water-based paint can generally be controlled below 200 grams per liter.
Lead, cadmium, chromium and mercury heavy metals and their compounds in furniture, like formaldehyde, are "invisible killers" that threaten human health.
Studies have shown that formaldehyde can cause chronic respiratory diseases and neonatal physical decline, and is toxic to the nervous system, immune system, liver, etc., and may have teratogenic and carcinogenic effects.
Lead can damage human nerves, hematopoiesis and reproductive system, especially to children and adolescents, which can affect children's growth and development and intellectual development; long-term inhalation of cadmium can impair kidney or lung function; long-term exposure to chromium compounds can cause dermatitis and eczema; chronic Mercury poisoning mainly affects diseases such as the central nervous system.
Experts said that the harm of formaldehyde and heavy metals in furniture to the human body is chronically accumulated. It is difficult for consumers to detect it in time. The most safe way is to purchase products with qualified inspection reports from authoritative inspection departments.
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