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GB/T 38412-2019

Chinese Standard: 'GB/T 38412-2019'
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BASIC DATA
Standard ID GB/T 38412-2019 (GB/T38412-2019)
Description (Translated English) Leather goods--General specification
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard Y45
Classification of International Standard 59.140.35
Word Count Estimation 10,148
Date of Issue 2019-12-31
Date of Implementation 2020-07-01
Drafting Organization Guangzhou Shiling Leather & Leather Industry Research Center Co., Ltd., Guangzhou Inspection & Certification Group Co., Ltd., Guangzhou Zhongpilian Holding Co., Ltd., Xingye Leather Technology Co., Ltd., Guangzhou Obia Leather Industry Co., Ltd., Shengguo (Dongguan) New Material Technology Co., Ltd., Jiangmen Limingzhu Bags & Leather Goods Co., Ltd., China Leather Shoes Research Institute Co., Ltd.
Administrative Organization National Leather Industry Standardization Technical Committee (SAC / TC 252)
Regulation (derived from) National Standards Bulletin No. 19 of 2019
Proposing organization State Administration of Market Supervision and Administration, National Standardization Administration
Issuing agency(ies) State Administration of Market Supervision and Administration, National Standardization Administration

GB/T 38412-2019
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 59.140.35
Y 45
Leather goods - General specification
皮革制品 通用技术规范
ISSUED ON: DECEMBER 31, 2019
IMPLEMENTED ON: JULY 01, 2020
Issued by: State Administration for Market Regulation;
Standardization Administration of the People's Republic of
China.
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative references ... 4
3 Technical requirements ... 5
4 Test methods ... 7
5 Inspection rules ... 9
6 Marking, labelling, packaging, transportation and storage ... 10
Leather goods - General specification
1 Scope
This Standard specifies the technical requirements, test methods, inspection
rules, marking, labelling, packaging, transportation and storage of leather
goods.
This Standard applies to all kinds of daily leather goods.
This Standard does not apply to leather goods with existing product standards.
This Standard does not apply to leather goods for special industries.
2 Normative references
The following referenced documents are indispensable for the application of
this document. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any
amendments) applies.
GB/T 3920 Textiles - Tests for colour fastness - Colour fastness to rubbing
GB/T 22889 Leather - Physical-mechanical tests - Determination of surface
coating thickness
QB/T 2002.1 Hardware fitting of leather products - Specification of
electroplated layer
QB/T 2002.2 Hardware fitting of leather products - Specification of sprayed
coating
QB/T 2171 Metal zipper
QB/T 2172 Derlin zipper
QB/T 2173 Nylon zipper
QB/T 2537 Leather - Color fastness test - Colour fastness to reciprocating
rubbing
QB/T 2790 Dyeing fur - Testing method for colour fastness to rubbing
Under natural light, carry out visual and sensory inspection, combined with a
ruler. The minimum scale of the ruler is 1 mm.
4.3 Color fastness to rubbing
Leather, artificial leather, synthetic leather, and recycled leather materials are
inspected according to QB/T 2537. Test head quality: 1000 g of glazed leather,
500 g of velvet leather, 50 dry wipes, 20 wet wipes. Fur materials are inspected
according to the provisions of QB/T 2790. Textile materials and uncoated
microfiber synthetic leather materials are inspected according to the provisions
of GB/T 3920.
For the sample that requires the determination of the thickness of the surface
coating, the determination shall be carried out according to GB/T 22889.
4.4 Durability of locks
4.4.1 Open-close test
Manually check whether the lock is normal. Open and close is denoted as 1
time, and test 200 times. The open-close test of different types of combination
locks is as follows:
- Mechanical combination lock: Set the code by manually dialing the code
wheel, and use the set code to open and close the combination lock;
arbitrarily combine each digit, and carry out the open-close test separately;
- Key lock: Hold the key by hand and insert it into the key slot of the lock core
along the lock core socket to open and close the lock;
- Electronic code lock: Use electronic key to open and close the lock.
4.4.2 Garbled character test
The garbled character test of different types of combination locks is as follows:
- Mechanical combination lock: Choose any 10 groups of different garbled
characters to test;
- Key lock, electronic code lock: Use non-dedicated key to test 10 times.
4.5 Durability of fasteners
Inspect according to QB/T 5084, test 1000 times.
4.6 Durability of zippers
Select the zipper length of 20 cm, and test at a frequency of (30 ± 1) times/min.
The single piece determination rules are as follows:
a) If one (or more) item(s) of the raw materials and fittings, physical-
mechanical properties does not meet the requirements of this Standard,
or there are more than three items of the appearance quality do not meet
the requirements of this Standard, the product is determined as
unqualified;
b) If the raw materials and fittings, physical-mechanical properties meet the
requirements of this Standard, the appearance quality does not affect the
performance of the product, and there are not more than three minor
defects that have a small impact on the appearance of the product, the
product is determined as qualified;
c) If the it has a defect that seriously affects the function of the product, the
product is determined as unqualified.
5.4.2 Batch determination rules
If all three tested samples meet the requirements of qualified products, the
batch of products will be determined as qualified. If one (or more) sample(s) is
unqualified, it shall take double quantity of samples for re-inspection. If all re-
inspections are qualified, the batch of products will be determined as qualified.
6 Marking, labelling, packaging, transportation and
storage
6.1 Marking, labelling
6.1.1 The qualified products shall have the foll......

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