1、MIL-P-634b2 (2) m 999990b 3995224 503 m * I INCH-POUNDI MIL-P-63462 AMENDMENT 2 -4 SUPERSEDING MIL- P-63462(AR) AMENDMENT 1 30 JUNE 1990 MILITARY SPECIFICATION PLASTIC MOLDING AND EXTRUSION MATERIAL, ETHYL CELLULOSE, FOR ROCKET GRAIN INHIBITING MATERIALS This amendment forms a part of MIL-P-63462(AR
2、), dated 70 September 7979, and is approved for use by all Departments and Agencies of the Department of Defense. PAGE 3 3.1.2: Delete section 3.1.2 in its entirety and substitute the following: “3.1.2 Plasticizer. substituted phenyl ether - with bis (p-1. 13. 3 tetramethyl buty I OhenYl! ether as t
3、he Principal corntuent Government-approved commercial form of this material currently authorized for use. . Dow P- 1 O99 plasticizer is the only Specification: (1) Color Light amber (2) Absorption Coefficient 0.23 Max. (3) Viscosity at 25OC: m2/s 4 - 8 X 10-3 (4) % volatiles (148.5OC and 4mm Hg pres
4、sure for one hour using a 10 g sample in a 30 ml (5) Acid Number, maximum 0.5 (6) Specific Gravity, 2514 degrees C (Centisto kes) (4000 - 8000) standard Griffin beaker), maximum 9 0.92 - 0.95” PAGE 8 4.2.4.3, Table V: Delete Table V in its entirety and substitute the following: AMSMC N/A 1 of2 FSC 9
5、330 distribution is unlimited. Licensed by Information Handling Services!IL-P-b3qbZ (2) 999990b 1995225 44T MIL- P-63462 AMENDMENT 2 PAGE 8 - Continued. “TABLE V. bt Acceptance Tests. Ri Indicates test is required.“ PAGE 9 Deflection temperature R R temperature +I 4.3 Water absorpt ion: Delete “4.3
6、Water absorDtion. * “ and substitute “4.3.5 Water 5.1.1, 5.1.2, and 5.1.3: Add the following sentence to each paragraph: gbsorpm.“ * “Plastic self clinching wire ties may be used in place of reinforced tape for sealing the polyethylene liner.“ NOTE: The margins of this amendment are marked with aste
7、risks to indicate where changes (additions, corrections, deletions) from the previous amendment were made. This was done as a 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. Custodians: Preparing activity: Army - AR Amiy - AR Navy - OS Review activities: Army - MI (Project 9330-1 297) 2 Licensed by Information Handling Services
