ASTM D1248 PDF

Buy ASTM D SPECIFICATION FOR POLYETHYLENE PLASTICS EXTRUSION MATERIALS FOR WIRE AND CABLE from SAI. This standard is issued under the fixed designation D ; the 1 This specification is under the jurisdiction of ASTM Committee D20 on. ASTM D Standard Specification for Polyethylene Plastics Extrusion Materials for Wire and Cable.

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For all materials to be conditioned for electrical testing, conditioning shall comply with the requirements of the standard test methods for electrical testing.

ASTM D1248 Polyethylene Plastics Extrusion for Wire and Cable | Test Equipment

Materials and Manufacture 6. However, because this test is lengthy, it need not be sstm on every lot of material. Solution viscosity is recommended as a means of distinguishing such materials.

For information regarding molding and extrusion materials, see Specification D The extrusion material for wire and cable shall be polyethylene plastic in the form of powder, granules, or pellets.

E6 17 [] — After being milled as prescribed, the material shall meet the dielectric requirements prescribed in Table 3. Retest and Rejection March 1, 1 Revised J3 12 [] —75 The tests involved in this specification are intended to provide information for identifying materials according to the types, classes, categories, and grades covered.

It is not the function of this specification to provide specific engineering data for design purposes. E5 12 [] —75 E7 17 [] — Other grades may be added as necessary by revision of this speci? Category 1,Category 2, Category 3,Category 4, and Category 5. For information regarding plastic pipe materials, see Specification D The following terminology is in use in ASTM speci?

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Perform the tests in accordance with Practices DG and G using? E3 10 [] — This specification provides for the identification of polyethylene plastics extrusion materials for wire and cable in such a manner that the seller and the purchaser can agree on the acceptability of different commercial lots or shipments.

Test specimens, 7 mm or under in thickness, shall be conditioned for a minimum of 40 h immediately prior to testing. We are confident that we have what you are looking for. Its purpose is to establish that a ast, antioxidant is present in adequate quantity. NOTE 14—The h exposure period speci? Cuts test specimens from stock material Available for a wide variety of ISO and ASTM standards Consistent specimens for consistent d11248 Manufactured with tool steel to resist damage and wear over time.

Agreement of the parties involved may allow use of this device.

A number in parentheses indicates the year of last reapproval. These parameters are for identification and not for design purposes.

NOTE 12—If it is known or suspected that the material contains moisture, the sample should be dried prior to being tested, but otherwise no conditioning is required.

ASTM D Polyethylene Plastics Extrusion for Wire and Cable | Test Equipment

Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. Warning—The expected service lifetime of Class D materials is very dependent upon the speci? NOTE 8—Tables 4 and 5, are included to correspond with the grades speci? Packaging and Package Marking See Guide D and 3. A Samples shall be drawn from the required number of units, and pooled for preparation of molded samples for mechanical properties evaluation.

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G Dissipation factor and dielectric constant must d2148 exceed the limits speci?

Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. Sampling for inspection and testing shall be carried out in accordance with the recommendations of Practice D If Test Method D is used, it must be known that no inorganic pigments or? Prepare the specimens in accordance with Test Methods D for physical tests of insulation and jackets.

Contact your supplier for additional information regarding this issue. Similarly, there are other polyethylene plastics of very high molecular weight having densities slightly less than 0.

For information regarding molding and extrusion materials, see Specification D E8 19 [] —75 48 96 E9 19 [] —75 48 96 E10 22 [] —75 48 0. The tests involved in this specification are intended to provide information for identifying materials according to the types, classes, categories, and grades covered.

For such materials, the milling procedure described in Bench marks or a high range extensometer shall be used for the determination of elongation at break. NOTE 15—Longer periods of exposure will be required for older xenon-arc machines operated at irradiance of 0. J4 19 [] —75 Selection of acceptable quality level AQL and of inspection level IL shall be made, with consideration of the speci?