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QC/T 1221-2025: Modified polypropylene door outer panels for automobile
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| QC/T 1221-2025 | English | 279 |
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Modified polypropylene door outer panels for automobile
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QC/T 1221-2025
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Basic data | Standard ID | QC/T 1221-2025 (QC/T1221-2025) | | Description (Translated English) | Modified polypropylene door outer panels for automobile | | Sector / Industry | Automobile & Vehicle Industry Standard (Recommended) | | Classification of Chinese Standard | T40 | | Classification of International Standard | 43.040.60 | | Word Count Estimation | 14,146 | | Date of Issue | 2025-05-09 | | Date of Implementation | 2025-11-01 | | Issuing agency(ies) | Ministry of Industry and Information Technology of the People's Republic of China | QC/T 1221-2025: Modified polypropylene door outer panels for automobile---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/QCT1221-2025
ICS 43.040.60CCS T 40
Automobile Industry Standards of the People's Republic of China
Released on May 9, 2025
2025-11-01Implementation
Ministry of Industry and Information Technology of the People's Republic of China issued
Modified polypropylene door outer panels for automobiles
Table of Contents
Preface III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Product Structure 1
5 Technical Requirements 1
6 Test Method 3
7 Inspection Rules 6
8 Packaging, labeling, transportation and storage 7
Preface
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.
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 and coordinated by the National Technical Committee for Standardization of Automotive Products (SAC/TC 114).
This document was drafted by. Wuhu Guofeng Plastic Technology Co., Ltd., Zhongshaoxuan Technology Group Co., Ltd., Anhui Huayue Special Automobile Equipment Co., Ltd.
Co., Ltd., China First Automobile Group Co., Ltd., Shenzhen Minda Technology Co., Ltd., Chery New Energy Automobile Co., Ltd., Anhui Province
Electronic Product Supervision and Inspection Institute, Xianning Haiwei Composite Materials Products Co., Ltd., Hunan Huda Aisheng Auto Parts Equipment Manufacturing Co., Ltd.,
Ningbo Huaxiang Automotive Door Systems Co., Ltd. and Ningbo Lawrence Automotive Interior Parts Co., Ltd.
The main drafters of this document are. Yang Shucong, Zuo Junying, Zhang Song, Han Ruolan, Wang Xue, Wu Weiyong, Zhang Long, Li Rui, Wen Qin, Xiong Liming, Ma Yu,
Zhu Jianghong and Xian Chuanfu.
Modified polypropylene door outer panels for automobiles
1 Scope
This document mainly stipulates the technical requirements, inspection rules, packaging, labeling, transportation and storage of modified polypropylene door panels for automobiles.
The product structure and test methods are described.
This document applies to the production, manufacturing, inspection, sales and use of automobile door outer panels made of modified polypropylene plastic through injection molding and composite molding.
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.
document.
GB/T 1033.1-2008 Plastics—Determination of density of non-cellular plastics—Part 1.Immersion method, pycnometer method and titration method
GB/T 1036 Plastics -30℃~30℃ Determination of linear expansion coefficient Quartz dilatometer method
GB/T 1040.1 Determination of tensile properties of plastics Part 1.General
GB/T 1040.2-2022 Plastics - Determination of tensile properties - Part 2.Test conditions for moulded and extruded plastics
GB/T 1043.1-2008 Determination of impact properties of plastics with simple support beams Part 1.Non-instrumented impact test
GB/T 1634.2-2019 Plastics - Determination of deflection temperature under load - Part 2.Plastics and hard rubber
GB/T 2918-2018 Standard environment for conditioning and testing plastic specimens
GB/T 7124 Determination of tensile shear strength of adhesives (rigid material to rigid material)
GB/T 9341-2008 Determination of flexural properties of plastics
GB/T 9345.1-2008 Plastics - Determination of ash content - Part 1.General method
GB/T 17037.4 Plastics - Thermoplastic materials - Preparation of injection moulded test specimens - Part 4.Determination of moulding shrinkage
QC/T 15-1992 General test methods for automotive plastic products
3 Terms and Definitions
There are no terms or definitions that require definition in this document.
4 Product Structure
The product structure is shown in Figure 1.
5 Technical Requirements
5.1 Size requirements
It should comply with the requirements of drawings or relevant technical documents.
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