Purchase of geothermal floor reference standard 1. the base material density is high, the internal bonding strength is good.Substrate made from the wood of the tree with a dense 100%, Gundam 0.95 g/cm3 density, good thermal stability, can guarantee the long-term is not cracking under high temperature, no distortion.
The absorbing water thickness expansion rate must be less than or equal 2.5% to achieve the national superior product the standard.The smaller the thickness expansion of water absorption, the higher the moisture-proof performance of the floor.
formaldehyde emission must be selected as low as possible.Because the higher the temperature is, The more the release quantity of formaldehyde in relatively closed room plus other items like the release of formaldehyde in big core board, there is likely to be exceeded, cause harm to human health.
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