1、 d- 13 -14 flIL-R-81703A (2) 80 7777706 0110580 7 MI L- R-8 1 903A (AS 1 AMENDMENT 2 16 April 1985 SUPERSEDING AMENDMENT 1 6 November 1979 MILITARY SPECIFICATION REMOVER, ACID ACTIVATED, FOR AMINE-CURED EPOXY COATING SYSTEMS This amendment forms a part of Military Specification MIL-R-81903A(AS), da
2、ted 22 December 1977, and is approved for use by the Naval Air Systems Command, Department of the Navy and is available for use by all Departments and Agencies of the Department of Defense. PAGE 1 1.2, delete .entire paragraph and subsititute: 1.2 Classification. Coating removers covered by this spe
3、cification shall be of the following types and classes as specified (see 6.2). Type I - Hydroxyacetic acid activated Type II - Formic acid activated Type III - Activated by a blend of hydroxyacetic acid and formic acid Class 1 - Phenolic Class 2 - Non-Phenol i c PAGE 2 2.1, delete: QQ-P-416 TT-T-291
4、 MI L-C-5541 MI L-C-81773 - Plating, Cadmium (Electroplated) - Thinner, Paint, Volatile Spirits (Petroleum - Chemical Films and Chemical Film Materials - Coating, Polyurethane, Aliphatic, Weather Spirits) for Aluminum and Aluminum Alloys. Resi stant FSC 8010 Page 1 of 3 Licensed by Information Handl
5、ing ServicesMIL-R-81903A (2) 80 W 9977706 OLL058L 9 MIL-R-81903A(AS) AMENDMENT 2 2.1, add: QQ-P-416 TT-T-29 1 MI L-C-5541 * MI L-C-83286 - Plating, Cadmium (Electrodeposited) - Thinner, Paint, Mineral Spirits, Regular - Chemical Conversion Coating on Aluminum and . - Coating, Urethane, Aliphatic Iso
6、cyanate, for and Odor1 ess Aluminum Alloys. Aerospace Appplications. ( PAGE 3 * 3.2, delete last sentence. * 3.2.1, at the end of the paragraph, add: “Type I shall contain hydroxyacetic acid but no formic acid. Type II shall contain formic acid but no hydroxyacetic acid. Type III shall be a blend of
7、 hydroxyacetic and formic acids. cresol, or any derivatives thereof shall be classified as Class 1 products. Removers which contain no phenol, cresol or any derivatives thereof shall be classified as Class 2 products.“ Removers which contain phenol, PAGE 6 4.4.1 , delete the first sentence and subst
8、itute: “A lot shall consist of all the coating remover produced by one manufacturer, at one plant, from the same materials, and under essentially the same conditions provided the operation is continuous and does not exceed 24 hours. II PAGE 7 4.5.3.1 , line 4: Delete “petroleum“ and substitute: “min
9、eral“. line 5: Delete “grade A“. line 6: Delete “petroleum“ and substitute: “mineral“. PAGE 11 * 6.2, delete “d. Type required (see 1.2)“ and substitute: Id. Type and class required (see 1.2).“ Page 2 of 3 Licensed by Information Handling ServicesMIL-R-L903A (2) 80 W 9999906 0330582 0 W MIL-R-81903A
10、AS) AMENDMENT 2 The margins of this amendment are marked with an asterisk or vertical lines to indicate where changes (additions, modifications, corrections, deletions) from the previous amendment were made, This was done as a convenience only and the Government assumes no liability whatsoever for
11、any inaccuracies in these notations. Bidders and contractors are cautioned to evaluate the requirements of this document based on the entire content irrespective of the marginal notations and relationship to the last previous amendment. Preparing Activity: Navy - AS (Project No. 8010-N275) *U.S. GOVERNMENT PRINTING OFFICE 1986 - 605-038/21874 Page 3 of 3 Licensed by Information Handling Services
