The ply wood composite floor or solid wood floor sold now need to meet national or
international requirements.E1 standard is national requirement,which means harmful
gas content in every litre of air is less than 1.5mg.While EO is international,which
means harmful gas content in every litre of air is less than 0.5mg.
But no matter which harmful gas, it refers to its quantity.We need to take the degree
of harming people into consideration.Generally,the harmfulgas we mention here refers
to benzene and tsuen gas. However,HT PVC floor is made of vinyon suffering from
high-temperature pressing,it has no evaporationof harmful gas,also no harm to people.