BS 7442-3.1(1991) : 1991
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
RUBBER OR PLASTICS COVERED ROLLERS - METHODS OF TEST - DETERMINATION OF APPARENT HARDNESS (IRHD METHOD)
Hardcopy , PDF
15-01-1998
English
01-01-1991
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Describes a method for determining the apparent hardness of vulcanized rubber roller covers. The method is similar to those used for determining of the hardness of rubber vulcanizates. It consists essentially of measuring the depth of penetration of a spherical indentor operating under a specified force. Covers time-interval between vulcanization and finished grinding, and testing and conditioning and temperature of test.
| Committee |
PRM/73
|
| DocumentType |
Standard
|
| Pages |
8
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| Standards | Relationship |
| ISO 7267-1:2017 | Identical |
| BS 7442-4.1:1992 | Rubber or plastics covered rollers. Requirements Specification for apparent hardness |
| BS 903-1:1995 | Physical testing of rubber Guide to the selection and use of methods of test for rubber |
| ISO 6123-1:2015 | Rubber or plastics covered rollers — Specifications — Part 1: Requirements for hardness |
| BS 903-A26:1969 | Physical testing of rubber Determination of hardness |
| ISO 1400:1975 | Vulcanized rubbers of high hardness (85 to 100 IRHD) Determination of hardness |
| ISO 1826:1981 | Rubber, vulcanized Time-interval between vulcanization and testing Specification |
| ISO 471:1995 | Rubber Temperatures, humidities and times for conditioning and testing |
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