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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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.

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

Note 1—There is no known ISO equivalent to this standard. Condition ast, as speci? This is discussed in Practice D For information regarding plastic pipe materials, see Specification D These parameters are for identification and not for design purposes. Perform the tests in accordance with Practices GGand D using the following exposure conditions: Changed the title of paragraph The extrusion material for wire and cable shall be polyethylene plastic asmt the form of powder, granules, or pellets.

Packaging and Package Marking Current edition approved March 1, Category 1,Category 2, Category 3,Category 4, and Category 5. Similarly, there are other polyethylene plastics of very high molecular weight having densities slightly less than 0. E2 10 [] — NOTE 15—Longer periods of exposure will be required for older xenon-arc machines operated at irradiance of 0.

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Asgm conditioning is required.

Contact your supplier for additional information regarding this issue. 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.

Basis of Purchase 5. The exposure cycle consists of a light cycle of 10 h with 18 minutes water spray on the front surface during each 2 h period followed by a dark period of 2 h with continuous water spray on the back surface.

NOTE 4—It is recognized that some high-density polyethylene plastics of very high molecular weight may have densities slightly less than 0. For such materials, wstm milling procedure described in The following terminology is in use in ASTM speci?

For information zstm molding and extrusion materials, see Speci? We offer machines, apparatus, testers, tensile grips, test fixtures, clamps, holders, jigs, faces, jaws, extensometers, environmental and humidity chambers, furnaces, baths and custom solutions for unique applications.

J5 22 [] —75 G Dissipation factor and dielectric constant must not exceed the limits speci? For information regarding plastic pipe materials, see Specification D For routine inspection, only those tests necessary to identify the material to the satisfaction of the purchaser shall be required.

Committee D20 has identi? NOTE 2—This standard has undergone major revision from the reapproval of and now covers only polyethylene for wire and cable applications. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory asrm prior to use. If necessary, level of contamination may be agreed upon between astj seller and the purchaser.

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Adequate statistical sampling prior to packaging shall be considered an acceptable alternative. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

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

In the absence of aztm requirements, the following values shall apply: Give our test engineers a call today for help configuring the best test machine and accessories according to your standard.

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

E8 19 [] —75 48 96 E9 19 [] —75 48 96 E10 22 [] —75 48 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.

Different tests shall be conducted in order to determine the following physical properties of extrusion materials: We are confident that we have what you are looking for. Work Item s – proposed revisions of this standard.

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