Recently, the “Natural Limits for Hazardous Substances in Wood Furnitureâ€, “Climatic Chamber for Detection of Volatile Organic Compounds in Furnitureâ€, “Determination of Volatile Organic Compounds in Furniture†was held in Shanghai.
Is environmentally-friendly furniture really environmentally friendly? Does zero-formaldehyde furniture really not release formaldehyde? The problems that these consumers will question when purchasing furniture are now legally guaranteed. Zhu Changling, chairman of the China Furniture Association, said at the trial meeting that the new national standard is more scientific, more rigorous, and the testing content is more diverse, and the protection for consumers will be more comprehensive.
Due to the existence of loopholes in the previous furniture testing methods, the detection of the last is often "the bamboo basket hits a void." It is understood that the new standard is expected to be introduced as soon as the end of this year. At present, China's current national standard for furniture is GB/T3324-2008 "General Technical Conditions for Wood Furniture" jointly promulgated by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China and the China National Standardization Administration. The implementation of environmental quality inspection of wooden furniture is "indoor". Decoration and decoration materials - limited quantities of harmful substances in wooden furniture, among which the items to be tested are only formaldehyde and heavy metals.
According to the current method for detecting the amount of formaldehyde released from wooden furniture, a sample of 0.075 square meters of sheet material is usually taken from a set of furniture, sawn into small pieces of 5 cm × 15 cm, placed in a desiccator, and tested for release after 24 hours. The concentration of free formaldehyde. However, according to industry insiders, according to this method, specific plates are tested, not finished products that have been processed. The reason is that there is a fundamental difference between the finished furniture and the set of furniture and the test sample, and the actual area and the test sample area are greatly different. For example, it takes about 3 square meters of plates to make an ordinary writing desk. It takes more than 10 square meters to make a set of bedroom cabinets. Even the sheet area required for a bedside table is about 1.5 square meters. The difference between the two areas is tens or even hundreds of times. The results detected by this standard cannot objectively and truly reflect the release of harmful substances in the finished furniture.
Zhu Changling, chairman of the China Furniture Association, said that the revised new furniture testing standards require the use of climate chambers to test furniture. Without damaging the furniture, all parts of the furniture can be included in the inspection scope, and the overall environmental status can be detected. At the same time, the amount of harmful substances such as VOC (volatile organic compounds) in furniture is judged, and the test results are more comprehensive and reliable.
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