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GB/T 14646-2025: Retreaded tyres for passenger cars
Status: Valid GB/T 14646: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 14646-2025 | English | 119 |
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3 days [Need to translate]
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Retreaded tyres for passenger cars
| Valid |
GB/T 14646-2025
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| GB 14646-2007 | English | 179 |
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3 days [Need to translate]
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[GB/T 14646-2007] Retreaded tyres for passenger car
| Valid |
GB 14646-2007
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| GB 14646-1993 | English | 359 |
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3 days [Need to translate]
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Retreading and repair of tyres (radial tyres)
| Obsolete |
GB 14646-1993
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PDF similar to GB/T 14646-2025
Basic data | Standard ID | GB/T 14646-2025 (GB/T14646-2025) | | Description (Translated English) | Retreaded tyres for passenger cars | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G41 | | Classification of International Standard | 83.160.10 | | Word Count Estimation | 6,683 | | Date of Issue | 2025-01-24 | | Date of Implementation | 2025-08-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 14646-2025: Retreaded tyres for passenger cars---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 83.160.10
CCSG41
National Standard of the People's Republic of China
Replace GB/T 14646-2007
Passenger car retread tire
Released on 2025-01-24
2025-08-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting is required.
This document replaces GB/T 14646-2007 "Passenger car retread tires". Compared with GB/T 14646-2007, except for structural adjustments and editing
In addition to the changes in performance, the main technical changes are as follows.
--- Added some provisions for carcass sidewall marking for retreading (see 4.1.2);
--- Changed some requirements that should not be applied to retreaded tires (see 4.1.3, 4.1.3 of the.2007 edition);
--- Deleted the relevant requirements for retread carcass with perforation damage (see 4.1.4 of the.2007 edition);
--- Changed the relevant provisions on the inflation pressure of the carcass for inspection before and after retreading (see 4.2.2 and 4.3.1, 4.2.2 and 4.3.1 of the.2007 edition)
4.3.1);
--- Changed the outer edge size requirements after renovation (see 4.5, 4.5 of the.2007 edition);
--- Added low pressure test for retreaded tires (see 5.5);
--- Changed the relevant provisions on the markings that should be on retreaded tires (see 6.2, 6.2 of the.2007 edition).
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document was proposed by the China Petroleum and Chemical Industry Federation.
This document is under the jurisdiction of the National Technical Committee for Tire and Rim Standardization (SAC/TC19).
This document was drafted by. Shandong Linglong Tire Co., Ltd., Sailun Group Co., Ltd., Xiamen Cheng Shin Rubber Industry Co., Ltd.
Ltd., Beijing Rubber Industry Research and Design Institute Co., Ltd., Guizhou Tire Co., Ltd., Jiaozuo Product Quality Inspection and Testing Center, Continental
Brand Tire (China) Co., Ltd., Dalian Goodyear Tire Co., Ltd., Guangrao County Metrology, Testing and Verification Institute.
The main drafters of this document are. Zhang Lijie, Chang Shuangkai, Chen Jianming, Zheng Rui, Li Miaomiao, Xie Haisu, Shen Guangjie, Wang Jianwei, Ma Zhong, Kong Xiangling,
Li Shuhuan, Mou Shouyong, Xu Lihong.
This document was first issued in.1993, revised for the first time in.2007, and this is the second revision.
Passenger car retread tire
1 Scope
This document specifies the technical requirements, test methods and markings for retreaded passenger car tyres.
This document applies to the retreading of pneumatic passenger car tyres.
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB/T 521 Method for measuring tire outer rim dimensions
GB/T 2978 Specifications, dimensions, pressure and load of passenger car tires
GB/T 4502 Passenger car tire performance indoor test method
GB/T 6326 Tire Terminology
GB 9743 Passenger car tires
HG/T 2177 Tire Appearance Quality
3 Terms and definitions
The terms and definitions defined in GB/T 6326 apply to this document.
4 Technical requirements
4.1 Tire selection
4.1.1 A tyre that has been retreaded should not be retreaded again.
4.1.2 For retreaded tires, the sidewall markings shall include the following.
---Tire specifications;
---Speed symbol (or maximum driving speed);
---Load index (or maximum load capacity or level);
---“CCC” and other certification marks.
4.1.3 Tyres that meet any of the following conditions shall not be used for retreading.
---Production date exceeds 5 years;
---Speed symbol is less than or equal to L (120km/h);
---Obvious damage due to overload or lack of air;
---Carcass rupture or abnormal deformation;
---The tire bead is broken or damaged;
---Obvious corrosion by oil, chemicals or water;
---The tread is polished and the cord is exposed;
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