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出口产品运输包装标准(最终版)
LT
防护包装主要分为防水包装和防震包装。
Protective packaging consists of waterproof packing and shockproof packing.
防水材料采用聚乙烯塑料薄膜、聚乙烯塑料复合纸，如防雨布、PE袋、防雨篷布等，其材质、性能符合GB/T 7350标准。
Waterproof material adopts polyethylene plastic film and polyethylene plastic composite paper, such as waterproof cloth, PE bag and waterproof tarpaulins etc. and their material and performance accord with the GB/T 7350 standard.
防震材料采用聚苯乙烯泡沫塑料、复合发泡塑料、塑料气垫等。
Vibration-proof material adopts polystyrence foam, compound foamed plastics and the plastic cushion etc.
5 包装箱基本技术要求 General safety specification of packing case
Requirements of packaging material
。
The selection of packaging materials should be right choice according to the characteristics of the built-in objects.
变压器产品的包装材料以木质材料为主，其材质应在保证包装箱强度的前提下，根据经济环保原则选用非疫区的适当树种。主要受力构件的选材为落叶松、加松、铁杉、花旗松，非主要受力部位也可以选用人工合成或深度加工的木质材料。所用实木需熏蒸处理。
Packaging material of transformer is given priority to with wood material which shall be under the prerequisite of the intensity of packing and to choose the appropriate tree species in unaffected areas according to the economic and environmental protection principle. Selection of main stress components are dahurian larch, pine, hemlock and douglas fir. The main stress parts also can choose synthetic or deep processing of wood materials.
，宽窄均匀，外表面平整，无虫眼和明显毛刺。
The board color of same packing case should be consistent. It has the uniform width, flat surface and with no bug and obvious burrs.
%，其它部位木材的含水率不大于20%。
Wood moisture content is not more than 24% and other parts the moisture content of lumber is not more than 20%.
制箱木材各部位允许缺陷度见表1、表2，木材中各种缺陷的解释和计算方法、斜纹的倾斜度检量方法按GB/T 155和GB/T 4823的规定。
Each part of box wood allowing defects are shown in table 1 and table 2. Interpretation and calculation methods of various d