歐盟標準 EN 635-3 夾板表觀分級第三部分：軟木

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EN 635-3, 夾板—表觀分級—第三部分：軟木 Plywood - Classfication by surface appearance - Part 3: Softwood
Clause	Test Requirement
3.2.1	Classification according to characteristics inherent in wood 根據木材固有的特性進行分級
3.2.1.1	Pin knots 針節
3.2.1.2	Sound intergrown knots 光滑的活節
3.2.1.3	Unsound or non-adhering knots and knots holes 非光滑或非粘合的節以及節洞
3.2.1.4	Splits 裂縫
3.2.1.5	Abnormalities due insects, marine borers and parasitic plants 由昆蟲，鑿船蟲以及寄生物引起的木材異常
3.2.1.6	Resin pockets and inbark 樹脂袋及內皮 Resin streak 樹脂條痕
3.2.1.7	Irregularities in the structure of the wood 木材結構的不規則
3.2.1.8	Discoloration which is not wood destroying 非木材損壞引起的變色
3.2.1.9	Fungal decay, which is wood destroying 木材損壞引起的真菌腐爛
3.2.1.10	Other characteristics 另外的特性
3.2.2	Classification according to manufacturing defects 根據制造缺陷進行分級
3.2.2.1	Open joints 開口接合
3.2.2.2	Overlaps 重疊
3.2.2.3	Blisters 水泡
3.2.2.4	Hollows, imprints and bumps 凹痕，烙印及撞痕
3.2.2.5	Roughness 粗糙度
3.2.2.6	Sanding through 砂紙打磨痕
3.2.2.7	Glue penetration 膠水滲透
3.2.2.8	Foreign particles 雜志粒子
3.2.2.9	Repairs 修理
3.2.2.10	Defects at the edges of the panel due to sanding or sawing 由于打磨或鋸切引起的木板邊緣缺陷
3.2.2.11	Other defects 另外的缺陷
Sampling requirement: 7 pcs 樣品要求：7片
Turnaround time: normal (9 working days) 所需時間：標準（9個工作日）