ISO 6502-3:2023
Rubber — Measurement of vulcanization characteristics using curemeters — Part 3: Rotorless curemeter
This document specifies a method for determining selected vulcanization characteristics of a rubber compound by means of a rotorless curemeter. An introduction to the use of curemeters is given in ISO 6502‑1.
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
5.1 General
5.2 Dies
5.2.1 General
5.2.2 Seal plate
5.2.3 Seal
5.3 Die closure
5.4 Oscillation system
5.5 Torque-measuring system
5.6 Protective films
5.7 Heating and temperature control
6 Calibration
7 Test piece
8 Vulcanization temperature
9 Conditioning
10 Procedure
10.1 Preparation for test
10.2 Loading the curemeter
11 Expression of results
11.1 General
11.2 Torque values
11.3 Scorch time
11.4 Time to a percentage of full cure
11.5 Cure rate index
12 Precision
13 Test report
Annex A (normative) Calibration schedule
Annex B (informative) Practical examples of calibration for the various curemeters
Annex C (informative) Precision
Bibliography
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
5.1 General
5.2 Dies
5.2.1 General
5.2.2 Seal plate
5.2.3 Seal
5.3 Die closure
5.4 Oscillation system
5.5 Torque-measuring system
5.6 Protective films
5.7 Heating and temperature control
6 Calibration
7 Test piece
8 Vulcanization temperature
9 Conditioning
10 Procedure
10.1 Preparation for test
10.2 Loading the curemeter
11 Expression of results
11.1 General
11.2 Torque values
11.3 Scorch time
11.4 Time to a percentage of full cure
11.5 Cure rate index
12 Precision
13 Test report
Annex A (normative) Calibration schedule
Annex B (informative) Practical examples of calibration for the various curemeters
Annex C (informative) Precision
Bibliography