1、HiiElw?l)29 July 1965MILITARY SPEC2FIMTION1-MOLOING PLASTIC, GIASS/EPOXY PRS-!fIX.Zhf.n&mdme.t forms a part of Military Specification MIL-P-46069l),dated 25 September 1964.Da2ete paragraphs 4.6.1, and 4.6.3 through 4.6.6 inclusive andsubstitute tne f01lowing:,.4.6.14.6.44.6.54.6.6Freparation of spec
2、imens. Specimens, 0.125 inch thick,shall be molded from the material selected in accordancewith 4.4.2. Dimension$ f each spectien shall confoxmto the dimensions specified in tne appropriate testmethod. Molding temperatures and pressures shall be asrecnmnended by the manuf.acturer.Flexural strength a
3、nd a75odulus. Seven specimens shall bemolded in accordance with 4.6.1 and shall be tested inaccordance witn Metnod 1031 of Fed. Test Msthod Std. No.406.Tenaile strength. Seven specimens shal1 be molded inaccordance with 4.6.1 and shall be ccsted in accordancewith Method 1012 of Fed. Test Method Std.
4、 No. 406. Thespecimens shall be O.125 inch thick and shall conform tothe densions shown in Figure 10I2A of the test method.Impact strength. Ten specimens shall.be molded inaccwrdonce with 4.6.J ?rd sha11be tested in actiordancewith Method 1071 of ed. Test Method Std. No. 406. hanotch shal1 be machin
5、ed in the specimens rathsr than mold-ed in.Sarc01 hardness. Barcol hardness shll be determined frcindirect readings taken with a Model 934-1 Barcol Impresser.Wadings shall be taken on the ends of a tensile specimenand the average of a minimum of five readings shall be re-ported. The impresser shall be used iaccordance withthe manufacturers instructions.Custodian: Preparing activity:b- Army-MIJProject No. 1395-A015Psc 1395Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-