GB/T 6543-2008 English PDF (GB/T6543-2008)

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GB/T 6543-2008: Single and double corrugated boxes for transport packages
GB/T 6543-2008
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 55.160
A 82
Replacing GB/T 6543-1986, GB/T 5033-1985
Single and double corrugated boxes
for transport packages
ISSUED ON. APRIL 01, 2008
IMPLEMENTED ON. OCTOBER 01, 2008
Issued by. General Administration of Quality Supervision, Inspection and
Quarantine;
Standardization Administration of PRC.
Table of Contents
Foreword ... 3 
1 Scope ... 5 
2 Normative references ... 5 
3 Classification ... 5 
4 Basic box type and code ... 6 
5 Requirements ... 7 
6 Inspection and test ... 9 
7 Inspection rules ... 9 
8 Marking, packaging, transport and storage ... 11 
Appendix A (Normative) Basic box type and code ... 12 
Appendix B (Informative) Type and code of accessories ... 14 
Appendix C (Informative) Relationship between three dimensions ... 16 
Appendix D (Informative) Calculation method of compressive strength of
corrugated box ... 18 
Foreword
This standard refers to JIS Z 1506 “Corrugated boxes for transport packages”.
This standard replaces GB/T 6543-1986 “Corrugated box”, GB/T 5033-1985
“Corrugated box for packaging of export product”.
As compared with GB/T 6543-1986 and GB/T 5033-1985, the main changes of
this standard are as follows.
- ADD normative references;
- In this standard, DIVIDE the corrugated boxes into two categories; CANCEL
the provisions on category 3 from the original standard. RE-PROVIDE the
applicable instructions for the two categories of corrugated boxes as well
as the corresponding corrugated fiberboard;
- MAKE appropriate modification for the requirements for the adhesives, flat
wire, etc. which are used for the connection of the box;
- MAKE appropriate modification for the requirements for the overlap width
and defects for the connection of the box;
- CANCEL the impact strength test, anti-reload test, etc. from the original
standard;
- MODIFY the requirements for the pressure test;
- MODIFY the requirements of the inspection rules of the original standard;
- MODIFY the requirements for packaging, marking, transport and storage;
- ADD the Appendix C The relationship between the three dimensions;
- MODIFY the Appendix D Calculation method for compressive strength of
corrugated box.
Appendix A of this standard is normative. Appendix B, Appendix C, and
Appendix D are informative.
This standard was proposed by and shall be under the jurisdiction of the
National Standardization Technical Committee.
Responsible drafting organizations of this standard. Shenzhen Huali Packaging
Trading Co., Ltd., Xiamen Hexing Packaging and Printing Co., Ltd., Shengda
Group Co., Ltd., Shenzhen Packaging Industry Association. The participated
drafting organizations of this standard. Shangfeng Group Co., Ltd., Qingdao
Fengcai Paper Products Co., Ltd., Shenzhen Meiyingsen Environmental
Single and double corrugated boxes
for transport packages
1 Scope
This standard specifies the classification, structural form, requirements, test
and inspection methods of single corrugated boxes and double corrugated
boxes (hereinafter referred to as corrugated boxes) for transport packages.
This standard applies to the design, manufacture and inspection of corrugated
boxes. Other types of corrugated boxes can refer to the relevant provisions of
this standard.
2 Normative references
The provisions in following documents become the provisions of this standard
through reference in this standard. For the dated references, the subsequent
amendments (excluding corrections) or revisions do not apply to this standard;
however, parties who reach an agreement based on this standard are
encouraged to study if the latest versions of these documents are applicable.
For undated references, the latest edition of the referenced document applies.
GB/T 191 Packaging - Pictorial marking for handling of goods (GB/T 191-
2008, ISO 780.1997, MOD)
GB/T 2828.1-2003 Sampling procedures for inspection by attributes - Part 1.
Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot
inspection (ISO 2859-1.1999, IDT)
GB/T 4857.4 Packaging - Transport packages compression test method
(GB/T 4857.4-1992, eqv 2872.1985)
GB/T 4892 Dimensions of rigid rectangular packages - Transport packages
GB/T 6544 Corrugated fiberboard
3 Classification
Corrugated boxes are divided into 20 types according to the different types of
corrugated fiberboard used, the maximum mass and comprehensive size of the
contents, the expected storage and transport environment conditions, as shown
4.3 Folding type (type 04)
Usually the bottom, body, and lid of the box are folded from a piece of
corrugated fiberboard, which do not need to be nailed and bonded before use.
5 Requirements
5.1 Materials
5.1.1 Corrugated fiberboard used in the manufacture of corrugated boxes is as
shown in Table 1. The technical indicators shall comply with the provisions of
GB/T 6544. The strength of the fiberboard which is sampled for testing after
forming the box is allowed to be less than 10% of the value as specified in this
standard.
5.1.2 Corrugated boxes shall be nailed by the use of rust-proof treated metal
stapling wire which have a width of 1.5 mm or more. The stapling wire shall not
have rust, peeling, cracking or other defects in use.
5.1.3 Adhesive corrugated boxes shall use adhesives that have sufficient
bonding strength and meet the relevant standards.
5.2 Dimensions and deviations
5.2.1 The outer dimensions of corrugated boxes shall meet the requirements of
GB/T 4892. The ratio of length to width of corrugated boxes is generally not
more than 2.5.1; the ratio of height to width is generally not more than 2.1,
generally not less than 0.15.1.
5.2.2 The specifications of corrugated boxes are usually expressed in inner
dimensions, unfolded dimensions (or manufactured dimensions) or outer
dimensions (in millimeters), which are specified as follows.
- Inner dimension. The clearance size in corrugated boxes is expressed in
the order of length, width, height;
- Unfolded dimension. The size of the crimping line at the time of manufacture.
The dimensions between the crimping lines when the corrugated boxes are
unfolded are expressed in order of length, width, height;
- Outer dimension. The outer dimensions of corrugated boxes, expressed in
order of length, width, height.
See Appendix C for the relationship between the three dimensions.
5.2.3 The dimensional tolerance of corrugated boxes is ±3 mm for single
corrugated boxes and ±5 mm for double corrugated boxes.
5.3 Mass and structure
5.3.1 The joining of the box can be done by means of stapling wires or
adhesives. The mass of corrugated boxes shall be uniform. There shall be free
from such defects as poor adhesion and stapling, irregularities, dirt, scratches,
etc.
5.3.2 The width of the margin of the nailing and overlapping tongue of the
corrugated box is more than 30 mm for the single corrugated box and more
than 35 mm for the double corrugated box. When stapling, the spacing of the
stapling lines is not more than 80 mm for a single stapling, and not more than
110 mm for double stapling. For the stapling along the centerline of the
overlapping part, it uses the diagonal stapling (about 45° to the vertical edge of
the box) or horizontal stapling; the box’s stapling shall be arranged neatly and
evenly. The distance from the head and tail stapling to the cent...