How is the quality of fireproof board different?
1. Look: the surface of high-quality fire-proof board shall be smooth and free from defects, and the thickness of board core shall be uniform from the side. For joinery board and multi-layer board, it is necessary to investigate whether there is stacking
and core separation. The density board is the best base plate for fire-proof board. Able to maintain the long-lasting flat lubricity of the fire-proof board. Generally, a stack of fire-proof boards with no difference in grain is mostly made of artificial
wood veneer. The dyed wood veneer only needs to be dipped in water and rubbed quietly. The faded wood veneer is dyed. The natural wood veneer is beautiful and generous, and each board has different grain, but it is beautiful and decent.
touch the surface of joinery board, integrated material and multi-layer board by hand. The high-quality Board shall be dry, flat and smooth, with no wave shape in horizontal contact, indicating low moisture content and good flatness.
3. Smell: stick
into the material with the nostril to smell it. If the joinery board sends out the smell of fragrance, clarify that the formaldehyde content is low, and if the smell is pungent, clarify that the formaldehyde content is high.
4. Check: check all
kinds of marks of the products, such as the trademark, factory certificate, after-sales service telephone of the production address, anti-counterfeiting mark, environmental mark, formaldehyde emission and adhesive strength value, etc.
don't covet the low price of fire-proof board. It is recommended to select some brand products with certain popularity and recognized by various national authorities. America's fumeijia may be a little more expensive, and the price of the domestic fire
board brand greenya can be lower, but the selected production equipment and materials are imported, so the quality can also be settled!