In order to make full and reasonable use of forest resources to develop plywood production and make the best use of materials, China’s newly formulated national standard (draft for approval) divides plywood into plywood for finishing (used for surfaces that need to be painted with transparent coatings) based on the use of plywood. Furniture, sewing machine tabletops and various electrical appliance shells), decoration plywood (used as decoration materials for buildings, furniture, vehicles and ships), general plywood (for packaging, cushioning and other purposes) and veneer decoration Plywood (used as a high-grade decorative material for buildings, furniture, vehicles, ships, etc.), the types of plywood are divided into:
(1) Class I (NQF)-weather-resistant, boiling water-resistant plywood. This kind
Plywood is durable, resistant to boiling or steam treatment, and can be used outdoors.
(2) Class II (Ns)-water-resistant plywood.
It can withstand cold water or short-term hot water immersion, but it is not resistant to boiling.
(3) Class III (Nc)-non-moisture-resistant plywood.
