Also called atomic board, from wood fiber, glued and heated and pressed. Mainly for furniture and building, train carriage. Shaving board has low density(0.25~0.45g/cm3), mid density (0.55~0.70g/cm3) and high density (0.75~0.3g/cm3), usually 0.65~0.75g/cm3 are commonly used. There are single level, three levels ( or more levels) or shade construction. Or indoors water resist and outer water resist. Or directional and random. Some are not made from wood but cotton bottom, sugar cane. The size of shaving board is various, from 1.6~75mm, 19mm is standard thick, 13mm, 16mm, 19mm are commonly used.
The standard of identify the quality of shaving board, the physical standard, density, water level, absorb water ability, bulge thick. Static force curve intension, inside glued intension, nail hold ability, flex mold and hard mold. Special purpose need special shaving board, considering its ability of electronic, sonic, heat, erode resist, inflaming retarding. Distributed by artwork of production, there are level pressing, bear pressing, level pressing is mainly used. Shaving board use pieces of wood as materials, with glue, by pressing. The merit of the board is cheap, the shortage is also obvious, the intension is bad, not good for big furniture. |