ASTM D4067 PDF

A number in parentheses indicates the year of last reapproval. This standard has been approved for use by agencies of the U. Department of Defense. The selectionof these materials shall be made by personnel with expertise inthe plastics field where the environment, inherent properties ofthe materials, performance of the parts, part design, manufac-turing process, and economics are considered. Ifnecessary, other requirements identifying particular character-istics important to specific applications shall be designated byusing the suffixes given in Section 5 or Classification SystemD

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A number in parentheses indicates the year of last reapproval. This standard has been approved for use by agencies of the U. Department of Defense. The selectionof these materials shall be made by personnel with expertise inthe plastics field where the environment, inherent properties ofthe materials, performance of the parts, part design, manufac-turing process, and economics are considered.

Ifnecessary, other requirements identifying particular character-istics important to specific applications shall be designated byusing the suffixes given in Section 5 or Classification SystemD Thisstandard does not purport to address all of the safety concernsassociated with its use. It is the responsibility of the user of thisstandard to establish appropriate safety and health practicesand determine the applicability of regulatory limitations priorto use.

Referenced Documents2. Current edition approved Feb. Published March Originallyapproved in Last previous edition approved in as D — The designation shall consist of the letter A and the fivedigits comprising the cell numbers for the property require-ments in the order as they appear in Table A. However, thisdoes not imply that every possible combination of propertiesexists or can be obtained with the current state of technology.

NOTE 3—This part of the system uses the type and percentage ofadditive to designate the modification of the basic material. Ifnecessary, additional requirements shall be indicated by the use of thesuffix part of the system, as given in Section 5.

Electrical,flammability or other requirements shall be designated by theappropriate suffix from Table 3 of Classification SystemD Basic Requirements6. DSpecific value must be shown. ETangent modulus of elasticity. Test specimens are 3. FTest specimens are 3. General Requirements7. The color andform of the material shall be as agreed upon between thesupplier and the user. Detail Requirements8.

Conformance or non-conformance with the specification is based on this compari-son. Specimen Preparation Test Methods Carbon fiber, graphite fiber, and other organicreinforcements require special methods that shall be agreedupon between the supplier and the user.

Inspection and Certification Inspection frequency shall be adequate to ensure thematerial is certifiable in accordance with The report shall consist of results of the lot-acceptanceinspection for the shipment; the results of the most recentperiodic-check inspection; and the percent by weight of re-cycled plastic, as defined in 3. Packaging and Marking Otherpackaging or marking, or both, is acceptable when agreed uponby the purchaser and the supplier.

Approval—Material submitted by a new supplier shallbe approved by the user. Infrared Spectrophotometry or Thermal Analysis, orBoth—If requested by the user, infrared or thermal analysis, orboth, shall be conducted on materials supplied to this classifi-cation system.

All samples shall produce curves that corre-spond to the reference standard when tested under the sameconditions as those specified on the master set of curves. Pyrolysis vapors that condense on the cooler portionsof the tube can then be removed for appropriate IR analysis.

LEI FEDERAL 11274 PDF

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Maujas Note 1—This standard and ISO address the same subject matter, but differ in technical content. PPS compounds are widely used in components manufactured to meet the requirements of certain military specifications. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. D — D The next six characters in the material call out if present specify certain minimum physical property characteristics of the PPS compound.

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ASTM D4067 - 16

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