There are a lot of precautions for buying laminate flooring. For the more concentrated purchase links, list the strategies for consumers for reference:
1. What are the main technical indicators that should be understood when purchasing composite wood flooring?
When purchasing composite wood flooring, the main technical indicators that should be understood are: 1. Wear index; 2. Impact resistance; 3. Resistance to stains and stains; 4. Resistance to smoke; 5. Wear of contact surfaces; , scratches on the casters of the chair; 7, volume expansion after water absorption; 8, formaldehyde emission.
2. How to understand the amount of formaldehyde released?
Formaldehyde is a kind of chemical gas. When the content in the air reaches a certain concentration, it will cause harm to the human body. It is mainly used in the manufacturing process of composite materials to act as a bonding agent. The formaldehyde contained in the floor will not evaporate immediately, but will slowly evaporate due to different temperature and humidity conditions, and the volatilization time is more than ten years. Long-term living in an environment where the concentration of formaldehyde exceeds the standard, formaldehyde will cause obvious damage to the eyes, nose and respiratory system of people or cause skin diseases. Animal experiments have also shown that excessive formaldehyde release can also cause cancer of the nose and respiratory system.
Therefore, countries have strict standards for the release of formaldehyde from plywood products. For example, Japan and the European Community countries require that the amount of formaldehyde released per 100 grams of plywood must be less than or equal to 10 milligrams, otherwise it will not be allowed to go on sale; China's related plywood products The formaldehyde emission standard (GB/T18102-2000) stipulates that: Class A (excellent product)? D?D formaldehyde emission per 100g plywood must be less than or equal to 9mg; Class B (qualified product)? D?D per 100 The amount of formaldehyde released from the plywood is between more than 9 mg and less than 40 mg.
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