QB/T 1618-2018 PDF English
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| QB/T 1618-2018 | English | 85 |
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Belt
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| QB/T 1618-2006 | English | 319 |
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Leather belt
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| QB/T 1618-1992 | English | 199 |
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Leather Belt
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QB/T 1618-2018: Belt---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/QBT1618-2018
QB
LIGHT INDUSTRY STANDARD OF
THE PEOPLE’S REPUBLIC OF CHINA
ICS 59.140.35
Classification number. Y48
Registration number. 63687-2018
Replacing QB/T 1618-2006
Belt
Issued on. MAY 08, 2018
Implemented on. SEPTEMBER 01, 2018
Issued by. Ministry of Industry and Information Technology of PRC
Table of Contents
Foreword... 3
1 Scope... 5
2 Normative references... 5
3 Terms and definitions... 6
4 Product classification... 6
5 Requirements... 7
6 Test method... 10
7 Inspection rules... 12
8 Marking, packaging, transport and storage... 13
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard is the revision of the QB/T 1618-2006 Leather belt.
As compared with QB/T 1618-2006, in addition to editorial changes, the main
technical changes of this standard are as follows.
- CHANGE the standard name into “Belt”;
- ADJUST the “Scope”, EXTEND the applicable scope of this standard;
- DELETE the non-specific terms from the original “Terms and definitions”,
ADD the term of “Decorative belt”;
- ADJUST the “Product classification”, ADD the “Classification by use
function”;
- DELETE the requirements for “Specification” and “Supreme product”;
- ADD the requirements for “Raw material and fitting” and “Belt key”;
- COMBINE the “Appearance quality” and “Tailoring requirements”;
- ADJUST and REFINE the “physical and mechanical performance”;
- CHANGE the “Rupture performance” into “Belt body rubbing resistance”;
- ADJUST the provisions on “Marking”.
This standard was proposed by China National Light Industry.
This standard shall be under the jurisdiction of the National Leather Industry
Standardization Technical Committee (SAC/TC 252).
The main drafting organizations of this standard. Zhejiang Shangzhi Industry
Co. Guangzhou Branch, Guangdong Wanlima Industry Co., Ltd., Guangzhou
Niujiangjun Leather Product Co., Ltd., National Leather Product Quality
Supervision and Inspection Center (Guangzhou), China Leather and Shoe
Making Industry Institute (Jinjiang) Co., Ltd., China Leather and Shoe Making
Industry Institute.
The main drafters of this standard. Zou Limeng, Lin Dayao, Zou Dawei, Zhao
Guangying, Deng Chengliang, Zhao Liguo, Ma Qunliang, Zeng Jianwei.
From the date of implementation, this standard replaced the original light
industry standard QB/T 1618-2006 Leather belt, which was abolished.
This standard replaces the standard previously issued as follows.
- QB/T 1618-2006;
- QB/T 1618-1992.
Belt
1 Scope
This standard specifies the terms and definitions, product classification,
requirements, test methods, inspection rules, markings, packaging,
transportation and storage of belt.
This standard applies to the belt of everyday use which is made from leather,
fur, artificial leather/synthetic leather, regenerated leather, textile, and so on.
This standard does not apply to the belt of various special applications.
2 Normative references
The following documents are essential to the application of this document. For
the dated documents, only the versions with the dates indicated are applicable
to this document; for the undated documents, only the latest version (including
all the amendments) are applicable to this standard.
GB/T 2912.1 Textiles - Determination of formaldehyde - Part 1.Free and
hydrolyzed formaldehyde (water extraction method)
GB/T 3920 Textiles - Tests for color fastness - Color fastness to rubbing
GB/T 17592 Textiles - Determination of the banned azo colorants
GB 20400 Leather and fur - Limit of harmful matter
GB 21550 The restriction of hazardous materials in polyvinyl chloride
artificial leather
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Belt head
One end of the belt which is equipped with the belt key.
3.2
Belt bottom
The other end of the belt as relative to the belt head.
3.3
Swing head
The folding portion of the belt head material.
4 Product classification
4.1 Classification by material used.
4.2 Classification by belt structure.
4.3 Classification by use functions.
5 Requirements
5.1 Raw materials and fittings
They are selected in accordance with relevant product standards.
5.2 Limit of harmful substances
The limit of harmful substances of leather, fur, regenerated leather, and textile
materials shall comply with the requirements of Table 1, the limit of harmful
substances of PVC artificial leather shall comply with the provisions of GB
21550.
5.2 Appearance quality and sewing (binding) requirements
It shall comply with the requirements of Table 2.
5.4 Belt key
It complies with the provisions of QB/T 4117, wherein the engagement force of
the key of the decorative belt is not less than 80 N.
6 Test method
6.1 Device
6.1.1 Steel ruler. the minimum scale is 1 mm and 0.5 mm; the steel tape. the
minimum scale is 1 mm.
6.2 Raw materials and accessories
Before processing production, it is inspected or verified in accordance with
relevant standards, the limit of harmful substance is inspected in accordance
with GB 20400, GB 21550, GB/T 2912.1, GB/T 17592, and so on.
6.3 Appearance quality and sewing (binding) requirements
In natural light, it is inspected by the combination of sensory inspection and
measuring gauge, the gauge divisional value is not less than 1 mm.
6.5 Binding force between belt key and belt
Respectively fix the belt key and belt onto the upper and lower clamps of the
tensile machine, the spacing between the upper clamp and the lower clamp is
150 mm, start the machine, until the belt slips out of the belt key or the belt
ruptures, read the maximum value as the binding force between the belt key
and belt.
6.7 Belt hole rupture force
Cut a segment of the specimen with belt hole, the distance from the belt hole
under test to the belt test end is 10 mm, fix the metal hook with a 4 mm diameter
(bearing stress more than 50 kg) onto the upper clamp of the tensile machine,
hook into the belt hole, use the lower clamp to fix the other end of the belt, the
clamp spacing is 100 mm, start the tensile machine, until the belt is completely
ruptured, read the maximum value as the belt hole rupture force.
6.8 Belt tooth engagement force
Make the belt key and belt tooth engage firmly, respectively fix them onto the
two clamps of the tensile machine, start the machine, until the belt slips from
the belt tooth, read the maximum value as the belt tooth engagement force.
7 Inspection rules
7.1 Batching
The products of the same type and same specification which are produced by
the same type of raw materials in accordance with the same production process
form one inspection batch.
7.2 Exit-factory inspection
Each batch of products shall be subject to appearance inspection one by one,
which can only be exit-factory after being inspected and qualified.
7.3 Type inspection
Under one of the following cases, it shall randomly take 3 products from those
which passes exit-factory inspection for type inspection.
7.4 Decision rules
7.4.1 Single piece decision rules
When there is one disqualified item in the harmful substance limit and physical
mechanical performance, this product is judged as disqualified. If both the
harmful substance limit and physical mechanical performance are qualified but
there are not more than 3 slight defects in the appearance quality and sewing
(binding) requirements, this product is judged as qualified. If the product has
the defect which affects the use function of the product, this product is judged
as disqualified.
8 Marking, packaging, transport and storage
8.1 Marking
8.1.1 The qualified products shall have the following markings.
8.1.2 The label is specified as below.
8.2 Packaging
The inner and outer packaging of the product shall use appropriate packaging
material, to avoid the product from being damaged in the process of
transportation and storage.
8.3 Transportation and storage
It shall comply with the following provisions.
QB/T 1618-2018
QB
LIGHT INDUSTRY STANDARD OF
THE PEOPLE’S REPUBLIC OF CHINA
ICS 59.140.35
Classification number. Y48
Registration number. 63687-2018
Replacing QB/T 1618-2006
Belt
Issued on. MAY 08, 2018
Implemented on. SEPTEMBER 01, 2018
Issued by. Ministry of Industry and Information Technology of PRC
Table of Contents
Foreword... 3
1 Scope... 5
2 Normative references... 5
3 Terms and definitions... 6
4 Product classification... 6
5 Requirements... 7
6 Test method... 10
7 Inspection rules... 12
8 Marking, packaging, transport and storage... 13
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard is the revision of the QB/T 1618-2006 Leather belt.
As compared with QB/T 1618-2006, in addition to editorial changes, the main
technical changes of this standard are as follows.
- CHANGE the standard name into “Belt”;
- ADJUST the “Scope”, EXTEND the applicable scope of this standard;
- DELETE the non-specific terms from the original “Terms and definitions”,
ADD the term of “Decorative belt”;
- ADJUST the “Product classification”, ADD the “Classification by use
function”;
- DELETE the requirements for “Specification” and “Supreme product”;
- ADD the requirements for “Raw material and fitting” and “Belt key”;
- COMBINE the “Appearance quality” and “Tailoring requirements”;
- ADJUST and REFINE the “physical and mechanical performance”;
- CHANGE the “Rupture performance” into “Belt body rubbing resistance”;
- ADJUST the provisions on “Marking”.
This standard was proposed by China National Light Industry.
This standard shall be under the jurisdiction of the National Leather Industry
Standardization Technical Committee (SAC/TC 252).
The main drafting organizations of this standard. Zhejiang Shangzhi Industry
Co. Guangzhou Branch, Guangdong Wanlima Industry Co., Ltd., Guangzhou
Niujiangjun Leather Product Co., Ltd., National Leather Product Quality
Supervision and Inspection Center (Guangzhou), China Leather and Shoe
Making Industry Institute (Jinjiang) Co., Ltd., China Leather and Shoe Making
Industry Institute.
The main drafters of this standard. Zou Limeng, Lin Dayao, Zou Dawei, Zhao
Guangying, Deng Chengliang, Zhao Liguo, Ma Qunliang, Zeng Jianwei.
From the date of implementation, this standard replaced the original light
industry standard QB/T 1618-2006 Leather belt, which was abolished.
This standard replaces the standard previously issued as follows.
- QB/T 1618-2006;
- QB/T 1618-1992.
Belt
1 Scope
This standard specifies the terms and definitions, product classification,
requirements, test methods, inspection rules, markings, packaging,
transportation and storage of belt.
This standard applies to the belt of everyday use which is made from leather,
fur, artificial leather/synthetic leather, regenerated leather, textile, and so on.
This standard does not apply to the belt of various special applications.
2 Normative references
The following documents are essential to the application of this document. For
the dated documents, only the versions with the dates indicated are applicable
to this document; for the undated documents, only the latest version (including
all the amendments) are applicable to this standard.
GB/T 2912.1 Textiles - Determination of formaldehyde - Part 1.Free and
hydrolyzed formaldehyde (water extraction method)
GB/T 3920 Textiles - Tests for color fastness - Color fastness to rubbing
GB/T 17592 Textiles - Determination of the banned azo colorants
GB 20400 Leather and fur - Limit of harmful matter
GB 21550 The restriction of hazardous materials in polyvinyl chloride
artificial leather
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Belt head
One end of the belt which is equipped with the belt key.
3.2
Belt bottom
The other end of the belt as relative to the belt head.
3.3
Swing head
The folding portion of the belt head material.
4 Product classification
4.1 Classification by material used.
4.2 Classification by belt structure.
4.3 Classification by use functions.
5 Requirements
5.1 Raw materials and fittings
They are selected in accordance with relevant product standards.
5.2 Limit of harmful substances
The limit of harmful substances of leather, fur, regenerated leather, and textile
materials shall comply with the requirements of Table 1, the limit of harmful
substances of PVC artificial leather shall comply with the provisions of GB
21550.
5.2 Appearance quality and sewing (binding) requirements
It shall comply with the requirements of Table 2.
5.4 Belt key
It complies with the provisions of QB/T 4117, wherein the engagement force of
the key of the decorative belt is not less than 80 N.
6 Test method
6.1 Device
6.1.1 Steel ruler. the minimum scale is 1 mm and 0.5 mm; the steel tape. the
minimum scale is 1 mm.
6.2 Raw materials and accessories
Before processing production, it is inspected or verified in accordance with
relevant standards, the limit of harmful substance is inspected in accordance
with GB 20400, GB 21550, GB/T 2912.1, GB/T 17592, and so on.
6.3 Appearance quality and sewing (binding) requirements
In natural light, it is inspected by the combination of sensory inspection and
measuring gauge, the gauge divisional value is not less than 1 mm.
6.5 Binding force between belt key and belt
Respectively fix the belt key and belt onto the upper and lower clamps of the
tensile machine, the spacing between the upper clamp and the lower clamp is
150 mm, start the machine, until the belt slips out of the belt key or the belt
ruptures, read the maximum value as the binding force between the belt key
and belt.
6.7 Belt hole rupture force
Cut a segment of the specimen with belt hole, the distance from the belt hole
under test to the belt test end is 10 mm, fix the metal hook with a 4 mm diameter
(bearing stress more than 50 kg) onto the upper clamp of the tensile machine,
hook into the belt hole, use the lower clamp to fix the other end of the belt, the
clamp spacing is 100 mm, start the tensile machine, until the belt is completely
ruptured, read the maximum value as the belt hole rupture force.
6.8 Belt tooth engagement force
Make the belt key and belt tooth engage firmly, respectively fix them onto the
two clamps of the tensile machine, start the machine, until the belt slips from
the belt tooth, read the maximum value as the belt tooth engagement force.
7 Inspection rules
7.1 Batching
The products of the same type and same specification which are produced by
the same type of raw materials in accordance with the same production process
form one inspection batch.
7.2 Exit-factory inspection
Each batch of products shall be subject to appearance inspection one by one,
which can only be exit-factory after being inspected and qualified.
7.3 Type inspection
Under one of the following cases, it shall randomly take 3 products from those
which passes exit-factory inspection for type inspection.
7.4 Decision rules
7.4.1 Single piece decision rules
When there is one disqualified item in the harmful substance limit and physical
mechanical performance, this product is judged as disqualified. If both the
harmful substance limit and physical mechanical performance are qualified but
there are not more than 3 slight defects in the appearance quality and sewing
(binding) requirements, this product is judged as qualified. If the product has
the defect which affects the use function of the product, this product is judged
as disqualified.
8 Marking, packaging, transport and storage
8.1 Marking
8.1.1 The qualified products shall have the following markings.
8.1.2 The label is specified as below.
8.2 Packaging
The inner and outer packaging of the product shall use appropriate packaging
material, to avoid the product from being damaged in the process of
transportation and storage.
8.3 Transportation and storage
It shall comply with the following provisions.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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