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BS EN ISO 23900-3:2018 Pigments and extenders. Methods of dispersion and assessment of dispersibility in plastics - Determination of colouristic properties and ease of dispersion of black and colour pigments in polyethylene by two-roll milling >
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BS EN ISO 23900-3:2018 Pigments and extenders. Methods of dispersion and assessment of dispersibility in plastics - Determination of colouristic properties and ease of dispersion of black and colour pigments in polyethylene by two-roll milling, 2018
- undefined [Go to Page]
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Principle
- 5 Materials
- 5.1 Materials for method A
- 5.1.1 Test medium
- 5.1.2 Titanium dioxide pigment
- 5.2 Materials for method B
- 5.2.1 Test medium
- 5.2.2 Titanium dioxide pigment
- 6 Apparatus
- 7 Sampling
- 8 Procedure
- 8.1 Testing of colouristic properties in white reduction
- 8.1.1 Preparation of the mixtures
- 8.1.2 Two-roll milling
- 8.1.3 Pressing
- 8.1.4 Photometric measurement
- 8.2 Testing of ease of dispersion
- 8.2.1 Preparation of the test samples
- 8.2.2 Pressing and photometric measurement
- 9 Evaluation
- 10 Test report
- 11 Precision
- Bibliography [Go to Page]