<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>
Statistics: Posted by qizhenapp — Fri Nov 10, 2017 6:58 am
]]>