ASTM D1248 PDF

  • August 13, 2019

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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E5 12 [] —75 E8 19 [] —75 48 96 E9 19 [] —75 48 96 E10 22 [] —75 48 0. Deleted the existing paragraphs Its purpose is to establish that a suitable antioxidant is present in adequate quantity. NOTE 17—It should be noted that the irradiation spectra from different sources including carbon arc, xenon arc, and UV?

Note 2—This standard has undergone major revision from the reapproval of and now covers only polyethylene for wire and cable applications. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. The tests involved in this specification are intended to provide information for identifying materials according to the types, classes, categories, and grades covered.

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

The molded specimen thickness shall be 1. E6 17 asmt — Category 1,Category 2, Category 3,Category 4, and Category 5. E4 12 [] —75 By means of our testing expertise and modular product design, we will help find the solution that is right for you.

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Give our test engineers a call today for help configuring the best test machine and accessories according to your standard. Make duplicate determinations on the material in the form of powder, granules, or pellets. Specimens shall be either die cut or machined to the speci? Cuts test specimens from stock material Available for a wide variety of ISO and ASTM standards Consistent specimens for consistent results Manufactured with tool steel to resist damage and wear over time.

For routine inspection, only those tests necessary to identify the material to the satisfaction of the purchaser shall be required. One sample shall be sufficient for testing each batch or lot provided satm the average values for all of the tests made on that batch or lot comply with the speci?

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. For information regarding molding and extrusion materials, see Specification D Last previous edition approved in as D – Rather, the material is to be checked initially for compliance with this requirement and, after that, as often as necessary to assure continued compliance.

The tests involved in this speci?

This standard does not purport to address all of the safety concerns, if any, associated with its use. The melt viscosity of polyethylene plastics, in common with that of most high polymers, is non-Newtonian, that is, dependent on the rate of shear.

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Note 3—See Guide D and 3. The extrusion material for wire and cable shall be polyethylene plastic in the form of powder, granules, or pellets. For such materials, the milling procedure described in G Dissipation factor and dielectric constant must not exceed the limits speci?

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

Other satm important to the user for certain applications are covered by three general classes and by specifying in greater detail, by grades, a minimum number of key characteristics covered too r1248 or not at all by the type, class, and category designations.

NOTE 15—Longer periods of exposure will be required for older xenon-arc machines operated at irradiance of 0. Warning—The expected service lifetime of Class D materials is very dependent upon the speci?

For all materials to be tested for electrical properties, the laboratory shall comply with the requirements of the standard test methods for electrical testing.

For information regarding plastic pipe materials, see Specification D After being milled as prescribed, the material shall meet the dielectric requirements prescribed in Table 3. A number in parentheses indicates the year of last reapproval. Different tests shall be conducted in order to determine the following satm properties of extrusion materials: No conditioning is required.

Originally approved in