DD Grade plywood is kinds of pine plywood for constcuction use or decorative use.
Comes from US voluntary plywood Standard PS1-95 for Construction and Industrial Plywood established by APA – The Engineered Wood Association.
"DD grade plywood" is not the name of a plywood grade . DD stands for "D-D Exposure 1 plywood" . D-D means that one side of the plywood is rated "C" grade and the other side is rated "D" grade . The letter "X" means the glue of the plywood is exterior glue . But DD plywood is not exterior plywood . Because usually the core veneers for DD plywood are not as good as exterior plywood. DD plywood is moisture resistant but can not be exposed to water or weather for long time .
DD plywood is a kind of economical plywood . Usually DD plywood are sanded but not polished . So the face/back of DD plywood is rough . Some knots and knot holes exist in the face/back .
As construction and industrial plywood, DD plywood is usually used as wall sheathing, roofing and so on .
We produce DD plywood as the following:
Face/back: D-D grade pine or other
Core: poplar, pine or hardwood
Glue: WBP glue
Normal Size: 1220x2440mm (4’x8′) or 1200x2440mm
Normal Thickness: 9mm / 12mm / 15mm / 18mm / 21mm-30mm
Oak Plywood is a kind of fancy plywood (decorative plywood), which is widely used for furniture, cabinets, doors, household decoration .
We produce Red Oak Plywood as the following:
Product Name: Fancy Red Oak Plywood
(1). Face : Red Oak (A grade)
(2). Back : Red Oak (A grade), or other veneers such as Birch, Okoume, Bingtangor, Meranti, luan , Hardwood, Red Hardwood, Poplar, Red Canarium, and so on.
(3). Core: poplar, hardwood, birch
(4). Glue: E1 glue, MR,WBP(melamine),WBP(phenolic)
(5). Dimensions: 1220X2440mm
(6).Thickness: 2.0mm-30mm ( 2.0mm / 2.4mm / 2.7mm / 3.2mm / 3.6mm / 4mm / 5.2mm / 5.5mm / 6mm / 9mm / 12mm / 15mm / 18mm / 21mm-30mm or 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 15/16", 1" )
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DD grade plywood
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