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Artificial wood panels are a major source of formaldehyde in indoor spaces. Besides the negligible formaldehyde content in the wood itself, the main culprit is the adhesive added during production. Data shows that my country already leads the world in the production of artificial wood panels and wood-based adhesives. Below is a detailed introduction to adhesives.
Most wood panels on the market use urea-formaldehyde glue, which, as the name suggests, contains a certain amount of formaldehyde. Therefore, the glue used is crucial to producing environmentally friendly wood panels. By adjusting the glue formula and the amount of formaldehyde added to the glue, wood panels can meet national standards for E1 or even E0 grades.
So what kind of adhesive is used for more environmentally friendly boards? It is MDI glue.
Q: What is MDI glue?
MDI is a general term for diphenylmethane diisocyanate, mixtures containing certain proportions of pure MDI and polyphenylmethylene polyisocyanates, and modified products of pure MDI and polymeric MDI. MDI adhesives, a downstream product of MDI, are used in the manufacture of various board materials.
MDI is the most important raw material for polyurethane production, with small amounts used in applications beyond polyurethane. Using MDI adhesives to make boards, which are formaldehyde-free and beneficial to home health, is expected to develop into a product with the greatest market potential and industrial prospects.
Q: What is the best thing about MDI glue?
first
MDI glue does not contain formaldehyde, and the environmental performance of the board is comparable to that of logs;
Secondly
MDI has high bonding strength, effectively improving the bonding strength and static bending strength of the board;
Then
MDI glue is insoluble in water and will separate into layers when it comes into contact with water, which provides a certain degree of moisture-proofing for the boards produced. The boards produced can be used in kitchens and bathrooms, and can be used as outdoor materials.
at last
MDI raw materials are highly stable and safe, and are widely used in areas closely related to people's livelihood and medical care, including Lycra fibers for clothing, refrigerator liner materials, and even artificial organs implanted in the human body, such as artificial blood vessels and heart valves.
What we cherish most is not wealth and fame, but a safe and healthy life. When choosing wood panels, we must choose healthy, environmentally friendly panels that truly protect the health of our families. Happy Bear wood panels are designed to protect your health.