BS 1795:1976

Foreword
Cooperating organizations
Specification
1 Scope and field of application
2 References
3 Definition
4 Types and grades
5 Composition and properties
6 Sampling
Method of test
7 Comparison of colour
8 Determination of residue on sieve
9 Determination of particle size distribution
10 Determination of matter volatile at 105 deg C
11 Determination of loss on ignition
12 Determination of matter soluble in water
13 Determination of pH of aqueous suspension
14 Determination of barium sulphate in extenders Nos.
    1 and 2
15 Determination of calcium carbonate content of
    extenders Nos. 3 and 5
16 Determination of calcium content of extender No. 4
    and calcium and magnesium contents of extenders
    Nos. 6 and 10
17 Determination of silica in extender No. 18
Annex
    Oil absorption values
Tables
1 Composition and properties of extenders
2 Details for preparing dispersions for the
    determination of particle size
3 Test method to be used for determination of matter
    soluble in water in each extender
Figures
1 Rose used for washing the residue on sieve
2 Sedimentation vessel and pipette

Describes requirements and corresponding methods of test for certain paint extenders. Applies to the types and grades of paint extender listed.

This International Standard specifies the principal requirements and the corresponding methods of test for certain paint extenders.

It is applicable to the types and grades of paint extender listed in clause 4.