1、II I Y MIL-C-51077 (3) b m 777770b 04373b7 L MIL-C-51077 (AR) AMENDMENT 3 21 June 1990 SUPERSEDING AMENDMENT 2 2 October 1969 - MILITARY SPECIFICATION CALCIUM SILICATE, TECHNICAL This Amendment forms a part of Military Specification MIL-C-51077 (MU) dated 1 February 1962, and is approved for use wit
2、hin the US Army Armament Munitions and Chemical Command and is available for use by all Departments and Agencies of Department of Defense. Delete fl(MU)ll wherever it may appear in the specification and substitute ll(AR)ll. Under !Preparing activity“, delete llArmy-MU1l and substitute llArmy-ARgl. P
3、AGE 2 -7 Paragraph 3.1, Table I; - Delete requirement under percent, minimum (min.) ii97tf for the “sum of percent Si02, Cao, and loss of weight on ignition, dry basis“ and substitute ir9311. * Delete requirement under percent, minimum (min.) “52.0 (min)! for lTotal silicon as silicon dioxide (Si021
4、 dry basis“ and substitute “45.0 (min.)11. Delete under percent, maximum 113?.0 (max .It1 for the lvtotal calcium oxide (Cao) dry basis“ and substitute 1136.0 (max,)ll. PAGE 3 Paragraph 3.2, Table II: Delete requirement under percent, max, of “6.0 (max.)ll for the llGranulation, Retained on 325 mesh
5、 sievef1 and substitute ltlO.O (max.lf1. AMSC N/A 1 of 2 FSC 6810 - DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Licensed by Information Handling ServicesMIL-C-51077 (3) 68 9997706 Oq39370 I MIL-C-51077 (AR) AMENDMENT 3 Delete entire grit requirement and add para
6、graph “3.2.2 Residue. The number of foreign particles retained on U.S. Standard Sieve Number 60 shall be no more than five (max.) when tested as specifed in 4.3.8,ll PAGE 11 Paragraph 4.3.8: Delete in its entirety and substitute: ft4.3.8 Residue, The residue obtained from the granulation determinati
7、on in paragraph 4.3.5 shall be dry screened on a No. 60 U,S, Standard Sieve. The number of foreign particles retained on the screen shall be counted and identified. A foreign particle shall be either magnetic, differing in color, or produce a scratching noise or scratch a glass slide. Brittle lumps
8、of the same color as the base material shall be considered as foreign particles.1 NOTE: The margins of this amendment are marked with an asterisk or vertical line to indicate where changes (additions, modificetions, corrections, deletions) from the previous amend- ment were made. This was done as a
9、convenience only and the Government assumes no liability whatsoever for 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. -5 Custodian : ARMY-AR Preparing activity : ARMY-AR (Project 6810 - A072 ) 2 Licensed by Information Handling Services
