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[求] 辐射松胶合板，17mm, 12mm, 9mm(发布日期：2012-3-23
有效期：60天)
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| 求购数量： |
800方每月 |
求购价格： |
待定 |
交货地点： |
广州 |
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CONSTRUCTION PLYWOOD
VENEER FEATURES C Veneer D Veneer
Species Radiata pine Radiata pine
Glue line WBP (phenolic resin)
Core veneer Minimum D-veneer core cross-banding
General requirements In a 300mm line measured anywhere across the grain, the combined dimensions of knots, gaps in edge joints, splits, holes, patches, other permitted features, shall not exceed 120mm
Permitted imperfections
Filled holes Individually </= 50mm (across the grain); no limit in number No limit
Unfilled holes Not permitted Individually </= 75mm (across the grain); no limit in number
Knots Sound knots </= 50mm (across the grain); no limit in number Sound knots no limit to individual size or number
Filled splits & face edge joints Individually 9mm (across grain) by half sheet length. No limit
Open splits & face edge joints Not permitted Individually 15mm (across grain) by half sheet length
Patches Individually </=75mm (across grain); no limit in number Individually </=120mm (across grain); no limit in number
Discolouration & stains No limit, but must be sound & must not detract from appearance No limit, but must be sound & must not detract from appearance
Resin streaks No limit, but not to detract from appearance No limit, but not to detract from appearance
Glue bleed-through No limit, but not to detract from appearance No limit, but not to detract from appearance
Roughness Slight roughness associated with localized imperfections Slight roughness associated with localized imperfections
Non-permitted imperfections Unfilled holes, splits & open face jointsBark, gum, resin pockets
Sanding Sanded 120-grit Not sanded
DIMENSIONAL TOLERANCES – CD & DD PLYWOODThicknessSanded sheets:3 - 7mm +/-5%9 - 17mm +/-4%19 - 25mm +/-3%Unsanded sheets:Added tolerance +/-0.3mmLength & width +/-1.5mmSquarenessThe difference in measurements ofThe length of the two diagonals of a sheet will not exceed 0.2% of the length of the longer diagonal.The following guidelines apply:2400mm sheets 5.36mm2700mm sheets 5.90mmMoisture contentWithin the range of 8-15% at the time of dispatch from production. Straightness of edgeThe maximum allowable deviation of any sheet edge from a straight line is 0.05% of the length of the edge.The following guidelines apply:1200mm 0.60mm2400mm 1.20mm2700mm 1.35mmFlatnessUnloaded sheets:The maximum space from the underside of a sheet and a flat horizontal surface:3 - 7mm 50mmover 7mm 30mmLoaded sheets:With three corners of a sheet held to a flat surface, the following tolerances are permitted under the stated load applied to a fourth corner:3-7mm 50mm under 10kg loadover 7mm 30mm under 15kg load
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