... is a kind of structure-decorative board, widely used in chemical or physical laboratory, researching institution and hospital . ... 2.Do not apply wax with grind effect ,in case of scratching or staining the surface.3.Do ... cut things on the surface directly or to top, in case of leaving scratch ,crack,groove, or hole. ... detergent to it,dry it which soft cloth in 15 minutes.Our factory also can process the ...