MIL-M-24519E

Abstract

This specification covers the basic properties of thermoplastic molding compounds used to mold electric and electronic component parts. <br>The thermoplastic molding compounds governed by this specification are of the following types, as specified (see <a>6.2</a>). </span><pre> <u>Type</u> <u>Description</u> PT-F Thermoplastic polyester (polytetramethylene terephthalate or poly 1, 4 butylene terephthalate) compound, flame resistant. GPT-7.5F Thermoplastic polyester (polytetramethylene terephthalate or poly 1, 4 butylene terephthalate) compound, 7.5 percent glass reinforced, flame resistant. GPT-15F Thermoplastic polyester (polytetramethylene terephthalate or poly 1, 4 butylene terephthalate compound, 20 percent glass reinforced, flame resistant.</pre> <br> <strong>Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commander, Naval Sea Systems Command, SEA 55Z3, Department of the Navy, Washington, DC 20362-5101 by using the self-addressed Standardization Document, Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter.</strong> <pre> <u>Types</u> <u>Description</u> GPT-20F Thermoplastic polyester (polytetramethylene terephthalate or poly 1, 4 butylene terephthalate compound, 20 percent glass reinforced, flame resistant. GCT-30F Thermoplastic polyester (1, 4-cylohexylenedimethylene terephthalate -(PCT) compound, 30 percent fiber reinforced, flame retardant. GPT-30F Thermoplastic polyester (polytetramethylene terephthalate or poly 1, 4 butylene terephthalate) compound, 30 percent glass reinforced, flame resistant. GAT-22F Thermoplastic, polyarylether compound, 22 percent glass reinforced, flame resistant. GET-30F Thermoplastic polyester (polyethylene terephthalate) compound, 30 percent glass reinforced, flame resistant. GET-35F Thermoplastic polyethylene terephthalate compound, 35 percent glass reinforced, flame retardant. GMT-40F Thermoplastic polyester (polytetramethylene terephthalate or poly 1, 4 butylene terephthalate) compound, 40 percent glass and mineral reinforced, flame resistant. GLT-10F Thermoplastic polyetherimide compound, 10 percent glass reinforced, flame resistant. GLT-20F Thermoplastic polyetherimide compound, 20 percent glass reinforced, flame resistant. GLT-30F Thermoplastic polyetherimide compound, 30 percent glass reinforced, flame resistant. GST-40F Thermoplastic polyphenylene sulfide compound, 40 percent glass reinforced, flame resistant. MLT-20F - Mineral plastic polytherimide compound, 20 percent mineral filled, flame resistant. GLCP-30F Thermoplastic polyester, 30 percent glass reinforced liquid crystalline. GLCP-50F Thermoplastic polyester, 50 percent glass reinforced liquid crystalline.</pre> <br> <br><b><u>Intended Use:</u></b> The general purpose thermoplastic compounds covered by this specification are intended for applications requiring good electrical and mechanical properties. The compounds are used in electronic connectors and similar applications. Flame retardants reduce arc tracking resistance of the compounds and should not be used in applications above 300 volts. <br>