1、重型紙箱外觀標(biāo)準(zhǔn)：
1. Appearance standard of heavy duty carton:
箱體紙箱成型后箱體方正，表面不允許有明顯的損壞和污跡，箱面不得有拼接，箱體各角無(wú)明顯的漏洞或包角。
After the box box is formed, the box is square, the surface is not allowed to have obvious damage and stains, the box surface is not allowed to have splicing, and the corners of the box have no obvious holes or corners.
印刷：箱面印刷圖文正確、清晰、墨色深淺一致、位置準(zhǔn)確，不應(yīng)有明顯偏斜。
Printing: the picture and text printed on the box surface are correct, clear, the ink color is consistent, the position is accurate, and there should be no obvious deviation.
釘合：紙箱釘合應(yīng)使用帶鍍層(銅、鋅)的低碳鋼扁絲，扁絲不應(yīng)有銹斑、剝層、龜裂或其他使用上的缺外觀缺陷。紙箱接縫應(yīng)釘牢、釘透，不得有疊釘、缺釘、翹釘、斷釘、曲釘、不轉(zhuǎn)角等缺陷。紙箱接頭釘合搭接舌邊的寬度為35一50mm采用斜釘或橫釘釘合，且箱釘應(yīng)沿搭結(jié)舌邊的中線釘合。箱釘排列整齊、均勻，頭尾釘距頂、底面壓痕線不大于25mm。
Nailing: low carbon steel flat wire with coating (copper, zinc) shall be used for nailing cartons, and the flat wire shall be free from rust, peeling, cracking or other appearance defects. The seams of cartons shall be nailed firmly and thoroughly, and there shall be no defects such as overlapping nails, missing nails, warping nails, broken nails, bent nails, no corner and so on. The width of the overlap tongue of the carton joint is 35-50 mm, and the box nails should be nailed along the middle line of the overlap tongue. The box nails shall be arranged orderly and evenly, and the distance between the head and tail nails and the indentation line on the top and bottom surface shall not be more than 25 mm.
粘合：紙箱接頭所使用的粘合劑應(yīng)是乙酸乙烯乳液或具有同等效果的其他粘合劑；接頭舌邊寬度適度，粘合劑涂布充分、均勻，粘合牢固。
Adhesion: the adhesive used for carton joints should be vinyl acetate emulsion or other adhesive with the same effect. The width of the joint tongue is moderate, the adhesive coating is sufficient and uniform, and the bonding is firm.
壓線：壓痕深淺一致，折線居中，不應(yīng)有破裂現(xiàn)象；箱壁不允許有多余的壓痕線，壓痕線寬度值的規(guī)定如下 ：凹凸式壓痕線寬度:六層以下瓦楞紙箱的壓痕線寬度不大干17mm；七層瓦楞紙箱的壓痕線寬度不大于Zomm； 偏置式壓痕線寬度:箱內(nèi)面的壓痕線與箱外面的壓痕線的偏置間距不大于20mm。
Indentation: the indentation depth is consistent, the broken line is in the middle, there should be no fracture phenomenon; No extra indentation line is allowed on the box wall. The width of indentation line is specified as follows: concave convex indentation line width: the width of indentation line of corrugated box below six layers is not more than 17mm; The width of indentation line of seven layer corrugated box shall not be greater than zomm; Offset indentation line width: the offset distance between the indentation line inside the box and the indentation line outside the box shall not be greater than 20 mm.
裁切刀口：刀口光潔，切斷口表面裂損寬度不超過(guò)8mm。
Cutting edge: the cutting edge is smooth and clean, and the surface crack width of the cutting fracture is not more than 8mm.
偏置式壓痕線寬度:箱內(nèi)面的壓痕線與箱外面的壓痕線的偏置間距不大于20mm。
Offset indentation line width: the offset distance between the indentation line inside the box and the indentation line outside the box shall not be greater than 20 mm.
2、重型紙箱尺寸標(biāo)準(zhǔn)
2. Dimension standard of heavy duty carton
GB/T16717一1996根據(jù)內(nèi)裝物質(zhì)量和體積尺寸，規(guī)定了紙箱尺寸的偏差。
GB / t16717-1996 specifies the deviation of carton size according to the quality and volume of contents.
紙箱的底面積外部尺寸應(yīng)優(yōu)先選用GB/T4892所規(guī)定的尺寸系列。
The size series specified in GB / t4892 shall be preferred for the external size of the bottom area of the carton.
3、重型紙箱的物理性能標(biāo)準(zhǔn)
3. Physical property standard of heavy duty carton
瓦楞紙箱更基本的功能是縱向能夠抗壓，橫向抗沖擊能力，從而保護(hù)內(nèi)裝物品的。
The most basic function of corrugated box is the ability of longitudinal compression and transverse impact resistance, so as to protect the safety of the inner articles.
紙箱抗壓力
Pressure resistance of carton
通常狀況下重型紙箱抗壓力不低于550KG，若有其他要求供需雙方商定，檢測(cè)標(biāo)準(zhǔn)按GB/T4857.4的規(guī)定進(jìn)行。
Generally, the pressure resistance of heavy-duty cartons is not less than 550Kg. If there are other requirements, the supplier and the Demander shall agree on the test standard according to the provisions of GB / t4857.4.
耐破強(qiáng)度：所用紙板的耐破強(qiáng)度18kg以上。
Bursting strength: the bursting strength of the used paperboard is more than 18kg.
戳穿強(qiáng)度和邊壓強(qiáng)度，戳穿強(qiáng)度和邊壓強(qiáng)度的檢測(cè)按GB/T16718的規(guī)定進(jìn)行。
The detection of puncture strength and edge pressing strength shall be carried out according to the provisions of GB / t16718.
紙箱耐沖擊強(qiáng)度的檢側(cè)按GB/T4857.5的規(guī)定進(jìn)行，且試樣不得少于3只。
The impact strength of carton shall be tested according to GB / t4857.5, and the number of samples shall not be less than 3.
搖蓋耐折性：紙箱搖蓋經(jīng)180°的往復(fù)開合五次后，A級(jí)，B級(jí)紙箱的面層和里層均不應(yīng)有裂縫；C級(jí)紙箱的面層不應(yīng)有裂縫，里層允許裂縫長(zhǎng)度分別不大于各搖蓋長(zhǎng)的10%。
Folding resistance of carton cover: 180 mm ° After five times of reciprocating opening and closing, there should be no cracks on the surface layer and inner layer of Grade A and B cartons; There should be no cracks on the surface of grade C carton, and the allowable crack length of the inner layer should not be greater than 10% of the length of each swing cover.
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