One, the introduction of zoology board: Zoology board also is called avoid Qi Ban or 3 get together cyanogen amine board, the paper that it is will different color or grain immerses in adhesive of colophony of amine of Yu Sanju cyanogen, after dry solidify, shop outfit is above all sorts of plank, heat up the outfit plaque that press and becomes finally, it is a kind of new-style adornment material. The product appearance that avoids Qi Ban does not have off color, have from fire from extinguish, be able to bear or endure wash, wear-resisting, moistureproof, anticorrosive, acid resistant, prevent the alkaline, ability that does not stick dirt, in the meantime, it also does not produce mildewy and nigrescent phenomenon because of wall body moisture. Avoid lacquer board base material to divide 3 li high density and three-ply 2 kinds, film of fabrics cent PVC, polypropylene, colophony is chip 3 kinds. Current, market is given priority to with PVC more. Commonly used norms has the product: 1220mm of 2135mm × 915mm, 2440mm × 915mm, 2440mm × , thick: 15mm, 17mm, 18mm. "fencing made from decking,lightweight interlocking concrete pavers,clear resin coating for pool decks"