ISO 815-2:2014
Rubber, vulcanized or thermoplastic — Determination of compression set — Part 2: At low temperatures
ISO 815-2:2014 specifies two methods for the determination of the compression set characteristics of vulcanized and thermoplastic rubbers at low temperatures.
Method 1 derives from the methodology used in ISO 815‑1. Method 2 uses a specified testing device, allowing to measure and record the test piece thickness during recovery. Due to the load applied during recovery in method 2, no correlation can be established between the results given by both methods.
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Foreword
Introduction
1 Scope
2 Normative references
3 Principle
3.1 Method 1
3.2 Method 2
4 Apparatus for low temperature tests
4.1 Method 1
4.2 Method 2
5 Calibration
6 Test pieces
6.1 Dimensions
6.2 Preparation
6.3 Number
6.4 Time interval between production and testing
6.5 Conditioning
7 Test conditions
7.1 Duration of test
7.2 Temperature of test
8 Procedure
8.1 Method 1
8.2 Method 2
9 Expression of results
10 Precision
11 Test report
Annex A (normative) Calibration schedule
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Principle
3.1 Method 1
3.2 Method 2
4 Apparatus for low temperature tests
4.1 Method 1
4.2 Method 2
5 Calibration
6 Test pieces
6.1 Dimensions
6.2 Preparation
6.3 Number
6.4 Time interval between production and testing
6.5 Conditioning
7 Test conditions
7.1 Duration of test
7.2 Temperature of test
8 Procedure
8.1 Method 1
8.2 Method 2
9 Expression of results
10 Precision
11 Test report
Annex A (normative) Calibration schedule
Bibliography