In order to make full use of forest resources to develop plywood production, to do their best to use, China's new national standards (draft) according to the use of gluing, plywood will be divided into finishing plywood (for the surface needs of coated transparent coating of furniture, sewing machine board and a variety of electrical shell and other products), decoration plywood ( Used as decoration materials for buildings, furniture, vehicles and ships, plywood (suitable for packaging, padding and other uses) and veneer plywood (used as advanced decorative materials for construction, furniture, vehicles, ships, etc.), plywood types according to the bonding strength and divided into:
Reference Class I (NQF)-weather resistant, water resistant plywood. Such
Plywood with durability, resistance to boiling or steam treatment performance, can be used outdoors.
(2) Ⅱ type (Ns)--waterproof plywood.
It can withstand cold water or short-term hot water immersion, but not resistant to boiling.
(3) Ⅲ class (NC)-Non-moisture resistant plywood.