In order to fully and rationally use forest resources to develop plywood production and make the best use of materials, China's newly formulated national standard (reported draft) is divided into plywood for finishing according to the current use of glued panels (for the surface needs to be coated with clear coating) Furniture, sewing machine table and various electrical enclosures, etc.), plywood for decoration (for construction, furniture, vehicle and ship decoration materials), generally with plastic table (for packaging, padding and other purposes) And thin wood decorative plywood (used as a high-grade decorative material for buildings, furniture, vehicles, ships, etc.), according to the bonding strength is further divided into:
(1) Class I (NQF) - weather resistant, boiling water resistant plywood. This type
Plywood is durable, resistant to boiling or steaming and can be used outdoors.
(2) Class II (Ns) - water resistant plastic platen.
It can withstand cold water or short-term hot water impregnation, but is not resistant to boiling.
(3) Class III (Nc) - moisture resistant plywood.
It has a certain moisture resistance and is suitable for indoor use.
(4) Class IV (BNc) - non-durable plywood.
Strut Channel,Metal Framing Support System,General Fittings
Fenghua Jade Motor Co., Ltd. , http://www.steelstructure-supplier.com