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GB/T 13642-2015: Rubber, vulcanized or thermoplastic -- Resistance to ozone cracking -- Dynamic strain testing
Status: Valid GB/T 13642: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 13642-2015 | English | 189 |
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Rubber, vulcanized or thermoplastic -- Resistance to ozone cracking -- Dynamic strain testing
| Valid |
GB/T 13642-2015
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| GB/T 13642-1992 | English | 279 |
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Rubber, vulcanized--resisrance to ozone ageing--Dynamic strain test method
| Obsolete |
GB/T 13642-1992
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PDF similar to GB/T 13642-2015
Basic data | Standard ID | GB/T 13642-2015 (GB/T13642-2015) | | Description (Translated English) | Rubber, vulcanized or thermoplastic -- Resistance to ozone cracking -- Dynamic strain testing | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G40 | | Classification of International Standard | 83.06 | | Word Count Estimation | 9,991 | | Date of Issue | 2015-05-15 | | Date of Implementation | 2015-10-01 | | Older Standard (superseded by this standard) | GB/T 13642-1992 | | Quoted Standard | GB/T 2941; GB/T 11206; ISO 1431-3 | | Adopted Standard | ISO 1431-1-2004, NEQ | | Regulation (derived from) | National Standard Announcement 2015 No. 15 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This Standard specifies the vulcanized rubber or thermoplastic rubber under dynamic tensile strain, exposure to a certain concentration of ozone in the air and at a predetermined temperature and no test methods for resistance to ozone ambient light directly affect the conduct of a crack. This Standard applies to vulcanized rubber or thermoplastic rubber. | GB/T 13642-2015: Rubber, vulcanized or thermoplastic -- Resistance to ozone cracking -- Dynamic strain testing
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Rubber, vulcanized or thermoplastic. Resistance to ozone cracking. Dynamic strain testing
ICS 83.060
G40
National Standards of People's Republic of China
Replacing GB/T 13642-1992
Vulcanized rubber or thermoplastic rubber resistant to ozone cracking
Dynamic tensile test
Rubber, vulcanizedorthermoplastic-Resistancetoozonecracking-
(ISO 1431-1.2004, Rubber, vulcanizedorthermoplastic-Resistancetoozone
cracking-Part 1. Staticanddynamicstraintesting, NEQ)
Issued on. 2015-05-15
2015-10-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard replaces GB/T 13642-1992 "resistance to ozone aging test of vulcanized rubber dynamic tensile test method" and GB/T 13642-
The main technical changes compared to 1992 are as follows.
--- Increasing the term (see Chapter 3);
--- Added "ozone concentration adjustment" (see 5.3);
--- Added "ozone concentrations measured" (see 5.4);
--- Added "method of adjusting airflow" and adjust the gas flow rate to the provisions of the section (see 55, 1992 Version 6.4.);
--- Modify the size of the sample (see Chapter 6, Chapter 5, 1992 edition);
--- Modify the state of the specimen adjustment (see Chapter 7, 1992 edition 6.7);
--- Modify the test conditions of ozone concentration (see 81, 1992 Version 6.1.);
--- Modify the maximum elongation (see 84, 1992 Version 6.5.);
--- Modify the test results indicate (see Chapter 10, Chapter 8, 1992 edition).
The standard reference method using redrafted ISO 1431-1.2004 "vulcanized rubber or thermoplastic rubber Resistance to ozone cracking - Part 1.
Static and dynamic tensile testing "preparation, and ISO 1431-1.2004 is equivalent to the degree of non-conformity.
The standard proposed by China Petroleum and Chemical Industry Association.
This standard by the National Standardization Technical Committee rubber and rubber products, Common test methods for Club (SAC/TC35/SC2) centralized.
This standard was drafted. Guangzhou Institute of Materials Co., Ltd., Jiangsu Pearl Test Machine Co., Ltd., Beijing Rubber Industry Research
Institute, Ltd. tournament round.
The main drafters of this standard. Xie Yufang, Yi Jun, Zhu, Xiejun Fang, Li Jing, Lin Shijun, Sun Weikun.
This standard replaces the standards previously issued as follows.
--- GB/T 13642-1992.
Vulcanized rubber or thermoplastic rubber resistant to ozone cracking
Dynamic tensile test
Warning 1. Use of this standard shall have a person experiences regular laboratory work. This standard does not point out all possible security asked
question. Users have the responsibility to take appropriate safety and health practices and to ensure compliance with the conditions relevant national regulations.
Warning 2. Care must be taken with a high concentration of ozone toxicity. Measures should be taken to reduce ozone exposure time testing personnel. usually think
The maximum concentration of ozone can be in contact with the human body is 0.1 parts per 106 parts of ozone air (volume fraction), the ozone concentration should be lower than allowed for human contact
The maximum allowable concentration. If not completely closed system, the exhaust pipe is recommended to exclude ozone-containing air.
1 Scope
This standard specifies the vulcanized rubber or thermoplastic rubber under dynamic tensile strain, exposure to air a certain concentration of ozone and in Regulation
Fixed temperature and no light test methods for resistance to ozone environment under the direct influence of cracks performed.
This standard applies to vulcanized rubber or thermoplastic rubber.
Note 1. The relative ozone resistance of different rubbers which depends on the conditions, in particular ozone concentration and temperature, and therefore trying to promote the results of standard tests
The case should be used with extreme caution. In addition, the aging of the results of tensile test specimens with a thin and practical application of the article due to the size, shape
Shape and deformation of different differences.
Note 2. The method for determining the concentration of ozone, see ISO 1431-3.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 2941 rubber physical test method for preparing and conditioning General Procedure (GB/T 2941-2006, ISO 23529.2004, IDT)
GB/T 11206 Rubber aging test surface cracking method
ISO 1431-3 vulcanized rubber or thermoplastic rubber Resistance to ozone cracking - Part 3. Determination of ozone concentration in laboratory test box
Reference method and alternative methods (Rubber, vulcanizedorthermoplastic-Resistancetoozonecracking-Part 3. Ref-
erenceandalternativemathodsfordeterminingtheozoneconcentrationinlaboratorytestchambers)
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Dynamic strain dynamicstrain
Strain at the selected repetition rate or frequency sinusoidal form changes over time (typically tensile strain).
4 Test principle
The vulcanized rubber or thermoplastic rubber samples in a continuous or intermittent dynamic tensile strain dynamic stretching and static stretching alternating strain
Under constant exposure to air containing ozone concentration and the temperature of the sealed chamber, the sample according to a predetermined time cracking cases were detected.
Under the selected concentration of ozone and ozone cracking evaluation test temperature conditions may optionally follows.
a) after the test prescribed time, check whether the sample cracks appear, if desired degree of cracking can be measured sample;
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