[METRIC]
A-A-2850
February 3, 1994
COMMERCIAL ITEM DESCRIPTION
COATING COMPOUND, WATERBORNE POLYMERIC
(INTERIOR, WOOD)
The General Services Administration has authorized the use of this
Commercial item description for all Federal Agencies.
1. SCOPE. This description covers a low VOC clear waterborne polymeric coating in three gloss levels for application by brush or spray. The coating is intended for use as a topcoat on interior wood, but is not suitable for use on floors.
2. CLASSIFICATION.
|
TYPE I Brushable |
TYPE II Sprayable |
|
Class 1- Gloss |
Class 1- Gloss |
|
Class 2- Semigloss |
Class 2- Semigloss |
|
Class 3- Satin |
Class 3- Satin |
3. SALIENT CHARACTERISTICS.
|
Characteristics |
Minimum |
Maximum |
Test |
|
Volatile Organic Content (g/L) |
--- |
250 |
ASTM D 2389 |
|
Nonvolatile content % by weight |
30 |
--- |
ASTM D 1844 A |
|
Drying time, hours (@ 38 microns 1.5 mil) wet film thickness) |
|
|
FED-STD-141 |
|
Set to touch |
--- |
1/2 |
Method 4061 |
|
Dry through |
--- |
24 |
|
3.1 Condition in container. The material shall be free from foreign matter and readily dispersible to a homogeneous mixture after five minutes of hand stirring.
3.2 Color. When coated on a white Leneta card, the difference between the directional reflectance of the coated card and an uncoated white Leneta card shall not be more than 2%.
3.3 Chemical resistance. 1/ There shall be no discoloration, stain, or whitening that will not disperse with ordinary polishing after testing the topcoat for the following resistances. A volume of 3 cc’s of the chemical shall be dropped on horizontal panels, and allowed to stand for 24 hours. The panels shall then be sponge washed with distilled water and dried with a clean cloth. The chemicals used shall be coffee (prepared with 1 tsp. instant coffee per cup of water at 43oC), vinegar, ketchup, mustard (allow to stand for 1 hour only), 50% ethanol, detergent, butter, and boiling water. The coating shall also be tested for cosmetic stains as specified in ASTM D 2671.
3.4 Adhesion.1/ The topcoat shall adhere tightly to a panel after tape has been applied and removed from an area cut with craftsman’s knife (ASTM D 3359 A).
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Beneficial comments, recommendations, additions, deletions, clarifications, etc. and any data which may improve this document should be sent to: General Services Administration, Engineering and Commodity Management Division (9FTE-10), 400 15th St. SW, Auburn, WA 98001. |
DISTRIBUTION STATEMENT A: Approved for public. Distribution is unlimited.
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
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