GB/T 7036.1-2023_English: PDF (GB/T7036.1-2023)
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Inner tube for pneumatic tyres -- Part 1: Inner tubes for motor vehicle tyres
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GB/T 7036.1-2023
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GB 7036.1-2009 | English | 85 |
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[GB/T 7036.1-2009] Inner tube of pneumatic tyres -- Part 1: Inner tube of motor vehicle tyres
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GB 7036.1-1997 | English | 185 |
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Inner tube of pneumatic tyres--Part 1: Inner tube of automobile tyres
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Inner tube of pneumatic tyres
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Standard ID | GB/T 7036.1-2023 (GB/T7036.1-2023) | Description (Translated English) | Inner tube for pneumatic tyres -- Part 1: Inner tubes for motor vehicle tyres | Sector / Industry | National Standard (Recommended) | Classification of Chinese Standard | G41 | Classification of International Standard | 83.160.10 | Word Count Estimation | 10,199 | Date of Issue | 2023-12-28 | Date of Implementation | 2024-07-01 | Older Standard (superseded by this standard) | GB/T 7036.1-2009 | Drafting Organization | Triangle Tire Co., Ltd., Xiamen Zhengxin Industrial Co., Ltd., Guizhou Tire Co., Ltd., Shandong Linglong Tire Co., Ltd., Tongli Tire Co., Ltd., Beijing Rubber Industry Research and Design Institute Co., Ltd., Zhongce Rubber Group Co., Ltd., Shandong Chang Feng Tire Co., Ltd., Michelin (China) Investment Co., Ltd., Bridgestone (China) Investment Co., Ltd. | Administrative Organization | National Tire and Rim Standardization Technical Committee (SAC/TC 19) | Proposing organization | China Petroleum and Chemical Industry Federation | Issuing agency(ies) | State Administration for Market Regulation, National Standardization Administration | Standard ID | GB 7036.1-2009 (GB7036.1-2009) | Description (Translated English) | [GB/T 7036.1-2009] Inner tube of pneumatic tyres - Part 1: Inner tube of motor vehicle tyres | Sector / Industry | National Standard | Classification of Chinese Standard | G41 | Classification of International Standard | 83.160.10 | Word Count Estimation | 6,612 | Date of Issue | 2009-12-15 | Date of Implementation | 2010-10-01 | Older Standard (superseded by this standard) | GB 7036.1-1997 | Quoted Standard | GB/T 519; GB 1796 | Drafting Organization | Triangle Tyre Co., Ltd. | Administrative Organization | National Standardization Technical Committee tire rim | Regulation (derived from) | Announcement of Newly Approved National Standards No. 15 of 2009 (No. 155 overall) | Proposing organization | China Petroleum and Chemical Industry Association | Issuing agency(ies) | Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China; Standardization Administration of China | Summary | This Chinese standard relates to car pneumatic tires, pneumatic tires truck requirements, inspection rules, test methods, packaging, transport carrying and storage. This standard applies to pneumatic tires for passenger cars, truck pneumatic tires. | Standard ID | GB 7036.1-1997 (GB7036.1-1997) | Description (Translated English) | Inner tube of pneumatic tyres--Part 1: Inner tube of automobile tyres [Quasi-Official / Academic version - translated by Chinese Institute] | Sector / Industry | National Standard | Classification of Chinese Standard | G41 | Classification of International Standard | 83.160.10 | Word Count Estimation | 14,114 | Date of Issue | 1997/9/10 | Date of Implementation | 1998/2/1 | Older Standard (superseded by this standard) | GB 7036-1989 | Adopted Standard | JIS D4231-1987, MOD | Regulation (derived from) | Announcement of Newly Approved National Standards 2009 on 15 (No. 155 overall) | Proposing organization | Ministry of Chemical Industry of the People Republic of China | Issuing agency(ies) | State Bureau of Technical Supervision |
GB/T 7036.1-2023
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 83.160.10
CCS G 41
Replacing GB/T 7036.1-2009
Inner Tube for Pneumatic Tyres - Part 1: Inner Tubes for
Motor Vehicle Tyres
(ISO 17464:2016, Pneumatic tubes for automotive vehicles - Technical requirements
and test methods, MOD)
ISSUED ON: DECEMBER 28, 2023
IMPLEMENTED ON: JULY 1, 2024
Issued by: State Administration for Market Regulation;
Standardization Administration of the People’s Republic of China.
Table of Contents
Foreword ... 3
Introduction ... 5
1 Scope ... 6
2 Normative References ... 6
3 Terms and Definitions ... 6
4 Categories of Materials ... 6
5 Requirements ... 6
6 Test Methods ... 8
7 Product Marking ... 9
8 Transportation ... 9
9 Storage ... 9
Appendix A (informative) Comparison of Chapter No. between This Document and
ISO 17464:2016 ... 10
Appendix B (informative) Technical Differences between This Document and ISO
17464:2016, and Their Causes ... 11
Inner Tube for Pneumatic Tyres - Part 1: Inner Tubes for
Motor Vehicle Tyres
1 Scope
This document specifies the requirements, test methods, product marking, transportation and
storage of the inner tubes for passenger car tyres and truck tyres.
This document is applicable to inner tubes for passenger car tyres and truck tyres. For the inner
tubes for engineering machinery tyres, agricultural tyres and industrial vehicle tyres, this
document may be taken as a reference.
2 Normative References
The contents of the following documents constitute indispensable clauses of this document
through the normative references in the text. In terms of references with a specified date, only
versions with a specified date are applicable to this document. In terms of references without a
specified date, the latest version (including all the modifications) is applicable to this document.
GB/T 519 Test Methods for Measuring Physical Properties of Pneumatic Tyres
GB/T 1796 (all parts) Tyre Valves
GB/T 6326 Tyre Terms and Definitions
GB/T 9768 Rules for Application and Maintenance of Tyres
3 Terms and Definitions
The terms and definitions defined in GB/T 6326 are applicable to this document.
4 Categories of Materials
In accordance with the materials commonly used in inner tube manufacturing, they are divided
into Category A and Category Type B. Natural rubber or a combination of natural rubber is
Category A, and butyl rubber or a combination of butyl rubber is Category B.
5 Requirements
5.1 Thickness
The inner tubes shall not have scars, cracks, bubbles, sponginess, impurities and other
appearance defects that may affect the use.
6 Test Methods
6.1 Thickness and Physical and Mechanical Properties
Single-layer thickness, tensile strength, tensile strength change rate after aging, elongation at
break, thermal tensile deformation, joint strength, adhesion between rubber cushion valve and
tyre body, bonding strength between valve (with a base) and rubber cushion and adhesion
between valve (without a base) and rubber cushion shall be tested in accordance with the
stipulations of GB/T 519.
6.2 Air Tightness Performance
6.2.1 Inflatable parking test
Inflate the inner tube, until the cross-section circumference of the inner tube at the same position
reaches 110% ~ 120% of the double flat-fold cross-section width of the inner tube. Stop
inflating, tighten the valve core, and park for at least 24 hours. Then, measure the cross-section
circumference of the inner tube. If the cross-section circumference value of the inner tube at
the same position decreases by no more than 1%, it shall be deemed to have passed the test.
Otherwise, the valve core shall be replaced, and the test shall be performed again. If the cross-
section circumference value decreases by more than 1% again, then, the inner tube shall be
deemed to have failed the test.
6.2.2 Water tank test
6.2.2.1 Inflate the inner tube. When the cross-section circumference of the inner tube at the
same position is 110% ~ 120% of the double flat-fold cross-section width of the inner tube, stop
inflating and tighten the valve core.
6.2.2.2 Put the inner tube into the water tank, so that the inner tube is completely immersed in
the water (the water should not be too deep). After the water stabilizes, start to observe whether
there are bubbles escaping from each part of the inner tube. If no bubbles escape within 1
minute, the inner tube shall be deemed to have passed the test.
6.2.2.3 If there are bubbles escaping from the valve core, the valve core shall be replaced, and
the test shall be performed again. If no bubbles escape within 2 minutes, the inner tube shall
still be deemed to have passed the test. If bubbles escape from other parts of the inner tube, the
inner tube shall be removed and inspected, and the test can be performed again. If no bubbles
escape within 1 minute, the inner tube shall be deemed to have passed the test. Otherwise, it
shall be deemed to have failed the test.
6.2.2.4 If it is difficult for large-sized inner tubes to be completely immersed in water, they can
be immersed in water in sections for the test.
7 Product Marking
7.1 Each inner tube shall be clearly marked as follows:
a) Specifications;
b) Trademark or manufacturer’s name;
c) Production date, at least the year and month of production can be identified;
d) Inspection mark.
Among them, items a), b) and c) are permanent marks, while item d) is a mark that cannot be
washed away.
7.2 Category B inner tubes shall be marked with “BUTYL” or a blue line with a width of not
less than 2 mm on the circumference.
8 Transportation
8.1 During transportation, any mechanical damage shall be prevented.
8.2 During transportation, the product shall be protected from direct exposure to the sun, rain
and snow, and shall not come into contact with oil, grease, acid, alkali and other substances that
may damage the quality of the inner tube.
8.3 During loading, unloading and transshipment, care shall be taken to prevent damage to the
boxes and products under the pallets due to excessive height or weight.
9 Storage
9.1 Inner tubes sold as a whole with the outer tyres or shipped from the factory are stored
together with the outer tyres, and the storage requirements shall comply with the relevant
stipulations of GB/T 9768.
9.2 When stored in a room-temperature environment, it shall be more than 1 m away from heat
sources, there shall be no direct sunlight, and light sources that emit ultraviolet rays shall not
be used.
9.3 The storage room shall not contain any ozone-generating devices or flammable gases or
volatile organic compounds that may produce ozone through photochemical reactions.
9.4 During storage, the product shall not come into contact with oil, grease, acid, alkali and
other substances that may damage the quality of the inner tube.
9.5 During storage, biological hazards to the product shall be prevented.
......
GB 7036.1-2009
GB
National Standard
of the People’s Republic of China
ICS 83.160.10
G 41
Replacing GB 7036.1-1997
Inner tube of pneumatic tyres –
Part 1. Inner tube of motor vehicle tyres
充气轮胎内胎
ISSUED ON. DECEMBER 15, 2009
IMPLEMENTED ON. OCTOBER 01, 2010
Issued by.
General Administration of Quality Supervision, Inspection
and Quarantine of the People’s Republic of China;
Standardization Administration of the People’s Republic of
China.
Table of Contents
Foreword ... 3
1 Scope ... 5
2 Normative references ... 5
3 Types of materials ... 5
4 Requirements ... 5
5 Inspection rules ... 7
6 Test methods ... 7
7 Product marking and packaging ... 8
8 Transportation ... 9
9 Storage ... 9
Foreword
Chapter 4 and 7.1 of this Part are mandatory; the rest are recommended.
GB 7036 “Inner Tube of Pneumatic Tyres” is divided into two parts.
— Part 1. Inner tube of motor vehicle tyres;
— Part 2. Inner tube of motorcycle tyres.
This is part 1 of GB 7036. This Part replaces GB 7036.1-1997 “Inner Tube of Pneumatic
Tyres - Part 1. Inner Tube of Motor Vehicle Tyres”.
This Part is a revised version of GB 7036.1-1997, in combination with domestic and
overseas advanced technology and practical needs of similar products, and with
referencing to Japanese Industrial Product Standard JISD4231 -1995 “Inner Tube of
Motor Vehicle Tyres”.
Main differences between this Part and GB 7036.1-1997 are as follows.
— Revising the scope (chapter 1 of version-1997 and this version);
— Deleting normative references (chapter 2 of version-1997 and this version)
— Revising indicator tensile strength change rate of physical properties, after aging of
natural rubber inner tube (table 1 of version-1997 and this version);
— Increasing airtight performance requirements; increasing airtight performance test
method (4.5 and 6.2 of this version);
— Revising test method (chapter 6 of version-1997 and this version);
— Adjusting marking and packaging requirements (chapter 7 of version-1997 and this
version);
— Increasing transportation and storage requirements (chapter 8 and chapter 9 of this
version);
— Deleting annex A to version-1997 (indication annex) “inner tube specifications, main
dimensions and basic parameters”.
This Part was proposed by Chine Petroleum and Chemical Industry Association.
This Part shall be under the jurisdiction of National Standardization Technical Committee
of Tire Wheel Rim.
Drafting organizations of this Part. Triangle Tyre Co., Ltd., and Beijing Research and
Design Institute of Rubber Industry .
Main drafters of this Part. Li Bo, Song Jinglian, Wang Bo, Wang Ke Xian, and Xu Lihong.
Historical versions replaced by this Part are as follows.
— GB 7036-1986, GB 7036-1989, and GB 7036.1-1997.
Inner Tube of Pneumatic Tyres -
Part 1. Inner Tube of Motor Vehicle Tyres
1 Scope
This Part of GB 7036 specifies the requirements, inspection rules, test methods,
packaging, storage and transportation of inner tube of car pneumatic tyres and truck
pneumatic tyres.
This Part applies to inner tube of car pneumatic tyres and truck pneumatic tyres.
2 Normative references
The articles contained in the following documents have become this Part of GB 7036
when they are quoted herein. For the dated documents so quoted, all the modifications
(excluding corrections) or revisions made thereafter shall not be applicable to this Part.
For the undated documents so quoted, the latest editions shall be applicable to this Part.
GB/T 519 Test method for measuring physical properties of pneumatic tyres
GB 1796 Tyre valve
3 Types of materials
It is divided into class A and class B according to commonly used materials for inner tube
manufacturing. Natural rubber or rubber simultaneously used for natural rubber belong to
class A; butyl rubber or rubber simultaneously used for butyl rubber belong to class B.
4 Requirements
4.1 Thickness
4.1.1 Minimum thickness
Minimum thickness of inner tube is not less than 70% of single-layer thickness.
4.1.2 Thickness uniformity
In addition to the joint, sampling is based on the method specified in GB/T 519; the
thickness of any point of the same position shall not exceed ±17.5% of average value of
color line shall be green.
For inner tube of EPDM rubber simultaneously used with butyl rubber, the color line shall
be red.
7.2 Packaging
Packaging shall meet the needs of outer tube products.
8 Transportation
8.1 Mechanical damage shall be avoided during transportation process.
8.2 During transportation process, there is a need to prevent exposure to direct sunlight,
rain and snow; it shall not get contact with oil, lubricating grease, acids, alkalis and other
substances that may damage the quality of inner tube.
8.3 During handling and in transit, it is necessary to avoid damage to packing and packed
products, as a result of too high or heavy stacking.
9 Storage
9.1 Inner tubes that are sold or delivered together with outer tube as a whole shall be
stored together with outer tubes.
9.2 Temperature during storage period shall be below normal temperature and the storage
shall be over 1m away from heat source and in a naturally ventilated environment. There
shall be no exposure to direct sunlight; high-UV light source shall not be used.
9.3 Storage warehouse shall not contain any devices that may generate ozone or contain
any combustible gases or organic vapors that may generate ozone via photochemical
effect.
9.4 During storage period, the products shall not get contact with oil, lubricating wax, acid,
alkali and other substances that damage the quality of inner tube.
9.5 Biological hazards to products shall be avoided during storage period.
......
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