respectively bought in 14 shop decoration materials (shop) pvc wall and ceiling panels south africa , each sample is 1 to 2 samples, there are 7 kinds of samples belong to compound floor and veneer plywood products, 17 kinds of sample belongs to plywood, decorative veneer plywood, joinery board products composite benches manufacturers usa ,
three kinds of samples belong to artificial veneer board (including melamine-impregnated surface of man-made board, etc.) products Exterior vinyl deck coverings . Standard formaldehyde release a quantity to test method in the man-made board and its products and limited value product name test method of set limit to use scope limited b medium density fiberboard (MDF),
high density fiberboard and particleboard, directional particieboard perforation extraction 9 mg / 100 g or less can be directly used for indoor E1 acuities were 30 mg / 100 g must be facing after the process allows for indoor E2 plywood cheap shutterboards in , decorative veneer plywood,