[METRIC]
A-A-2904
December 1, 1995
SUPERSEDING
TT-T-291F
May 8, 1978
COMMERCIAL ITEM DESCRIPTION
THINNER, PAINT, MINERAL SPIRITS
REGULAR AND ODORLESS
The General Services Administration has authorized the use of this commercial item description as a replacement for TT-T-291F for all federal agencies.
1. SCOPE.
This commercial item description covers three types of mineral spirits (volatile petroleum spirits) for use as solvents, cleaners, or thinners with coatings such as paints, primers, natural or synthetic enamels, and their vehicle components. They are not intended for use where high solvency power is required. All types are considered non-photochemically reactive as defined by the South Coast Air Quality Management District Rule 102. Type I thinner is a conventional mineral spirits. Type II is a high flash point thinner used when a lower evaporation is required, and Type III is a thinner with relatively low odor.
2. CLASSIFICATION.
The mineral spirits shall be of the following types.
2.1 Types:
Type I- Regular low aromatics mineral spirits.
Type II- High-flash (or 60oC) mineral spirits.
Type III- Odorless mineral spirits
3. SALIENT CHARACTERISTICS.
The mineral spirits shall conform to the applicable requirements of ASTM D 235-95 Class C less than two volume percent aromatics, except as modified below”
a. When tested in accordance with ASTM D 1296, Types I and II shall not have an obnoxious odor, and Type III shall have very little odor.
b. The acidity shall be neutral when tested in accordance with ASTM D 847.
c. The apparent specific gravity shall be determined by ASTM D 891 Method A. In all cases of dispute, ASTM D 891 Method B shall be used as the referee method.
d. Thinners shall meet the definition of a nonphotochemically reactive solvent as defined by SCAQMD Rule 102. In addition, the thinners shall not contain greater than 0.1 percent methyl ethyl ketone and branched chain ketones.
e. The thinners shall not contain any chromales and contain less than 0.06 percent lead.
f. The thinner shall not contain any Ozone Depleting Substances (ODS’s).
|
Beneficial comments, recommendations, additions, deletions, clarifications, etc. and any data which may improve this document should be sent to: General Services Administration, Paints and Chemicals Center, Engineering and Commodity Management Division (10FTE), 400 15th St. SW, Auburn, WA 98001-6599. |
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business