GB 2941-1991 English PDF

GB 2941-1991:
Delivery: 9 seconds. Download (and Email) true-PDF + Invoice.
Newer version: (Replacing this standard) GB/T 2941-2006
Get Quotation: Click GB 2941-1991 (Self-service in 1-minute)
Historical versions (Master-website): GB/T 2941-2006
Preview True-PDF (Reload/Scroll-down if blank)


GB/T 2941-1991
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
GB/T 2941-91
Replacing GB/T 2941-82
Rubber - Standard temperatures, humidities and times for
the conditioning environmental and testing of test pieces
ISSUED ON: APRIL 25, 1991
IMPLEMENTED ON: APRIL 01, 1992
Issued by: State Bureau of Technical Supervision.
Table of Contents
1 Subject content and scope of application ... 3
2 Definition ... 3
3 Laboratory standard temperature and humidity ... 3
4 Standard temperature and humidity tolerances ... 4
5 Time interval between testing and vulcanization ... 4
6 Conditioning ... 5
7 Tests ... 5
8 Test report ... 5
Additional information ... 6
Rubber - Standard temperatures, humidities and times for
the conditioning environmental and testing of test pieces
This standard equivalently adopts the international standard ISO 471-1983 "Rubber -
Standard temperatures, humidities and times for the conditioning and testing of test
pieces" and ISO 1826-1981 "Rubber, vulcanized - Time-interval between vulcanization
and testing - Specification".
1 Subject content and scope of application
This standard specifies the time intervals and standard temperature and humidity, for
vulcanization of rubber specimens and products AND conditioning of the test
environment.
This standard applies to standard environmental conditioning and time intervals for
specimens.
This standard does not cover test and environmental conditioning conditions for special
materials.
The environmental conditioning and test conditions, which are required for each
standard test method, shall be noted in the standard.
2 Definition
Environmental conditioning - Before testing, the rubber specimen is directly exposed
to standard temperature and humidity, for a specified period of time, to improve the
repeatability of test results.
3 Laboratory standard temperature and humidity
3.1 Standard temperature:
The standard temperature shall be 23 °C. In subtropical areas, the test can also be
conducted, at a temperature of 27 °C; however, it can only be used as a temporary
temperature for internal quality control. The temperature for the arbitration
qualification test must be 23°C1).
3.2 Standard humidity:
1) ISO 471-1983 stipulates that the standard temperature is 23 °C or 27 °C.
GB/T 2941-1991
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
GB/T 2941-91
Replacing GB/T 2941-82
Rubber - Standard temperatures, humidities and times for
the conditioning environmental and testing of test pieces
ISSUED ON: APRIL 25, 1991
IMPLEMENTED ON: APRIL 01, 1992
Issued by: State Bureau of Technical Supervision.
Table of Contents
1 Subject content and scope of application ... 3
2 Definition ... 3
3 Laboratory standard temperature and humidity ... 3
4 Standard temperature and humidity tolerances ... 4
5 Time interval between testing and vulcanization ... 4
6 Conditioning ... 5
7 Tests ... 5
8 Test report ... 5
Additional information ... 6
Rubber - Standard temperatures, humidities and times for
the conditioning environmental and testing of test pieces
This standard equivalently adopts the international standard ISO 471-1983 "Rubber -
Standard temperatures, humidities and times for the conditioning and testing of test
pieces" and ISO 1826-1981 "Rubber, vulcanized - Time-interval between vulcanization
and testing - Specification".
1 Subject content and scope of application
This standard specifies the time intervals and standard temperature and humidity, for
vulcanization of rubber specimens and products AND conditioning of the test
environment.
This standard applies to standard environmental conditioning and time intervals for
specimens.
This standard does not cover test and environmental conditioning conditions for special
materials.
The environmental conditioning and test conditions, which are required for each
standard test method, shall be noted in the standard.
2 Definition
Environmental conditioning - Before testing, the rubber specimen is directly exposed
to standard temperature and humidity, for a specified period of time, to improve the
repeatability of test results.
3 Laboratory standard temperature and humidity
3.1 Standard temperature:
The standard temperature shall be 23 °C. In subtropical areas, the test can also be
conducted, at a temperature of 27 °C; however, it can only be used as a temporary
temperature for internal quality control. The temperature for the arbitration
qualification test must be 23°C1).
3.2 Standard humidity:
1) ISO 471-1983 stipulates that the standard temperature is 23 °C or 27 °C.