ASTM-D4838 2010

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D4838-88(2010) Standard Test Method for Determining the Relative Tinting Strength of Chromatic Paints

Published By	Publication Date	Number of Pages
ASTM	2010	5

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Description

1.1 This test method describes the determination of the absorption tinting strength of a chromatic test paint relative to that of a standard or reference paint of the same chemical type. The procedures are based on dilution of the paints with a standard mixing white paint, followed by instrumental measurement and calculation. Provision is made for correcting the results for small differences in hue or chroma, or both, between the test and reference chromatic paints.

1.2 This test method is intended for the comparison of paints containing the same type of vehicle (acrylic, alkyd, or oil) and single-pigment colorants of the same Colour Index name and number. The amounts of the pigment and of the other components of the paint need not be known.

1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Terminology Summary of Test Method
2	Significance and Use Apparatus and Materials Specimen Preparation
3	Procedure Calculation Report Precision and Bias
4	Keywords A1. PROCEDURE for PIGMENTS WITH TWO SEPARATED ABSORPTION MAXIMA A1.1 X1. TABLE ILLUSTRATING WEIGHT of ACRYLIC PAINT to MIX WITH 20-g of MIXING WHITE PAIN X1.1 TABLE X1.1

Additional information

Standard Title	D4838-88(2010) Standard Test Method for Determining the Relative Tinting Strength of Chromatic Paints
Published Code	ASTM
Publication Date	2010
Pages Count	5

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ASTM-D4838 2010

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