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 Moisture proof = waterproof?
In many people's minds, moisture and water resistance can be equated, in fact, this concept is also inaccurate. Â
Moisture proof is to add moisture-proofing agent to the board substrate, and the moisture-proofing agent is colorless. In order to distinguish it from ordinary plates, manufacturers add green or red colors to the plates as identification marks. The moisture-proofing agent does not have any influence on the waterproof performance of the board itself.
It has been proved that the plate with the moisture-proof agent and the plate without the moisture-proof agent are immersed in the water, and the expansion ratio is the same. The so-called moisture-proof only protects the moisture in the air.
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 Is the fire board fireproof?
Fire boards are fireproof and many consumers have this misunderstanding. In fact, this name is not correct. There is no real fire prevention in refractory materials. The correct name should be “fireproof boardâ€.
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Any substance with a surface attached with melamine will have certain fire resistance. For refractory boards, there is a time requirement for resistance to open flames. It can only be grilled for a period of time after being exposed to an open flame, and then it will be charred by chemical reaction.
The so-called "HPL" fire resistance time of up to 35 - 40 seconds in this range, flame grilled can be erased only produce black smoke, there is no chemical reaction. Â
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 Can you tell if the board is good or bad from the appearance?
Quality depends on the material. The reason why the products of small workshops are cheap, except for processing methods, the most important thing is the low cost of materials.
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The surface of inferior sheet has a translucent bottom, color difference, and it is uneven, and the surface of the melamine surface is brittle. After being subjected to external force, it is easy to fall off. From the cross section, the fiber particles of wood chips are not uniform, the gap is large, and there may even be dirt and nails. And rubbish such as stones.
In order to reduce costs, many workshop-style small factories use a large amount of inferior urea-formaldehyde glue, which has no cleaning process, and its performance is incomparable with the physical and chemical properties of high-quality particleboard. It looks similar in appearance and the inner quality is very different. Â Â
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Domestic and foreign regulations on formaldehyde?
When purchasing plates, the amount of formaldehyde released is an indicator that must not be ignored. Â
China provides about Formaldehyde is: 9mg / 100g dry plate that allowed 100g dry plate 9 mg of free formaldehyde, the surface more stringent, with foreign or less, but at the same time there is another national standard, surface-treated wood-based panels After that, the formaldehyde content is allowed to be 30 mg , which is very protective for small-scale manufacturers.
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Today's home decoration panels have become an essential foundation material.
Out of these cognitive misunderstandings of the plate, carefully selected high-quality plates, to achieve the environmental protection and health of every home environment is the goal of Baibao.
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