AS/NZS 1580.214.6:1995

1 - AS/NZS 1580.214.6:1995 PAINTS AND RELATED MATERIALS-METHODS OF TEST - CONSISTENCY-ISO FLOW CUPS
1 - PREFACE
3 - METHOD
3 - 1 Scope
3 - 2 Normative references
3 - 3 Definitions
3 - 3.1 flow time:
3 - 3.2 Newtonian flow:
3 - 3.3 anomalous flow:
4 - 3.4 dynamic viscosity:
4 - 3.5 kinematic viscosity:
4 - 4 Temperature considerations
4 - 5 Apparatus
4 - 5.1 Flow cups
4 - 5.1.1 Dimensions
4 - 5.1.2 Construction
4 - 5.1.3 Finish
4 - 5.1.4 Calibration
9 - 5.1.5 Marking
9 - 5.1.6 Care and checking of flow cups
9 - 5.2 Supplementary apparatus
9 - 5.2.1 Thermometer
9 - 5.2.2 Stand
9 - 5.2.3 Spirit level
9 - 5.2.4 Flat glass plate or straight-edge scraper.
10 - 5.2.5 Stopwatch
10 - 5.2.6 Temperature-controlled room or enclosure
10 - 6 Sampling
10 - 7 Procedure
10 - 7.1 Preliminary check
10 - 7.2 Determination of flow time
10 - 7.2.1 Choice of flow cup
10 - 7.2.2 Temperature adjustment
10 - 7.2.3 Preparation of the flow cup
10 - 7.2.4 Filling the flow cup
10 - 7.2.5 Measurement of flow time
11 - 7.2.6 Repeat determinations
11 - 8 Precision
11 - 8.1 Repeatability
11 - 8.2 Reproducibility
11 - 9 Test report
12 - Annex A - Use of flow cups for the adjustment of paint consistency
12 - A.1 General
12 - A.2 Use of flow cups to determine the quantity of thinner required to adjust a paint to a specified flow time
12 - A.3 Test report

Provides a test procedure for determining consistency use ISO style flow cups. Identical with ISO 2431:1993.

This International Standard is one of a series of standards dealing with the sampling and testing of paints, varnishes and related products.This International Standard specifies a method for determining the flow time of paints, varnishes and related products that may be used to control consistency. A method for the adjustment of paints to the correct application consistency at the application temperature is described in annex A.Four flow cups of similar dimensions, but having orifice diameters of 3 mm, 4 mm, 5 mm and 6 mm, are specified. The method for their calibration is given. 1.4 The method is limited to testing materials for which the breakpoint of the flow from the orifice of the flow cup can be determined with certainty. This point is difficult to determine and reproduce for materials with flow times in excess of 100 s due to slowing-down effects.

First published as Joint Standard AS/NZS 1580.216.6:1995.