<P>Cork flooring sanding surface is smooth, with or without bulging particles, cork particles are pure. Select whether the straight side of the floor, the method is: Take the same four floors, shop in the glass, or more flat ground, assembled to see if it is seams.</P>
<P>Check the plate bending strength, the method is to interfere with the two diagonals on the floor, see if there is a crack on the curved surface, without the quality products. Adhesive strength test, a small piece of sample into the blisters and found that the smooth surface of its sanding into the toad skin, uneven surface, then this product is unqualified product, quality product water surface should not change significantly.</P>
