ASTM D264-47 Specification for Pure Para Red Toner (Withdrawn 1948)

APPROVED AS
AMERICAN STANDARD
BY THE AMERICAN STANDARDS ASSOCIATION

ASA NO.: K3!-1947

Standard .Specifications for

REDUCED PARA RED 1

A.S.T.lVI. Designation: D 264- 47

ADOPTED .. 1928: REVISED. 1939, 1940. 1941. 1947. 2
II, p. 146 (D 264- 47).

Standard Specifications D 264- 47 were withdrawn June, 1948.

Scope (b) Paste in Oit.-The paste in oil

1. These specifications cover the red shall be a dispersion of the specified
pigment commercially known as reduced
para red. The pigment may be pur- pigment in linseed oil'. As received it
chased in the dry form or as a paste in
oil. shall not be caked in the container and

Composition and Properties shall break up readily in oil to form a

2. (a) Dry Pigment.-The pigment smooth paint of brushing consistency.
shall consist of a mixture of para-nitra·nil-
ine toner and substrate, made either by It shall mix readily in all proportions,
precipitating the toner on the substrate

or by mixing slurries. Unless other- without curdling, with linseed oil, tur-
wise specified by the purchaser, the
substrate shall be calcium carbonate. pentine, or volatile petroleum spirits,
The pigment shall conform to the fol-
lowing requirements: or any mixture of these substances.

Pure organic coloring matter (para red), The paste shall conform to the follow-
min., per cent. ...................... 15
ing requirements: '
Calcium carbonate, max., per cent ....... 85
Moisture and other volatile matter, max., Pigment, min., per cent ................ 74
Linseed oil, max., per cent. ............. 26
per cent...... . . . . . . . . . . . . . . . . . . . . . . 1.0 Moisture and other volatile matter, max., 0. 7
Coarse particles (total residue retained on
per cent............................ 2 .0
a No. 325 (44-micron) sieve), max., per Coarse particles and skins (total residue
cent............................... 1.5
retained on a No. 325 (44-micron) sieve),
1 Under the standardization procedure of the Society, max., per cent of the dry pigment. . . . .
these specifications are under the jurisdiction. of the
A.S.T.M. Committee D-1 on Paint, Varnish, Lacquer, (c) The mass color and character of
and Related Products. the tint formed by mixture with a white
pigment shall be the same as, and the
1 Prior to adoption as standard, these specifications strength not less than, that of a refer-
were published as tentative from 1927 to 1928, being re- ence sample mutually agreed upon by
visecf in 1928. the purchaser and the seller.

Number of Tests

3. Two samples shall be taken at

random from different packages from

146

SPECIJ?ICATIONS FOR REDUCED PARA RED (D 264 - 47) 147

each lot, batch, clay's pack, or other unit samples from the same production unit
of production in a shipment. When no to form a composite sample.
markings distinguishing between units
of production appear, samples shall be Methods of Testing
taken from different packages in the
ratio of two samples for each 10,000 lb., 4. Tests shall be conducted in ac-
except that for shipments of less than cordance with the appropriate methods
10,000 lb. two samples shall he taken. of the American Society for Testing
At the option of the purchaser, the Materials, where applicable. Test pro-
samples may be tested separately or cedures not covered by A.S.T.M. meth-
after blending in equal quantities the ods shall be mutually agreed upon by
the purchaser and the seller.