ASTM D1248 PDF

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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Packaging and Package Marking NOTE 6—Carbon black 35 nm or less in average asrm diameter is used as required in black electrical and jacketing materials Grades E and J to impart maximum weather resistance. These parameters are for identification and not for design purposes. Deleted the existing paragraphs The values given in parentheses are mathematical conversions to inch-pound units that are provided for information only and are not considered standard.

Test results for specimens that break outside the gage-marks after extensive cold drawing need not be discarded unless the break occurs between astmm contact surfaces of a grip.

Category 1,Category 2, Category 3,Category 4, and Category 5. For information regarding plastic pipe materials, see Speci? Current edition approved March 1, If necessary, level of contamination may be agreed upon between the seller and the purchaser.

Condition only as asttm

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

It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is not the function of this speci? Each of five types and categories is subdivided into four classes according to composition and use as follows: Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend.

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

Specimens shall be either die cut or machined to asgm speci? Other attributes important 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 broadly or not at all by the atm, class, and category designations.

For information regarding plastic pipe materials, see Specification D The following additional instructions and the precautions of Note 12 shall be observed: NOTE 17—It should be noted that the irradiation spectra from different sources including carbon arc, xenon arc, and UV?

Give our test engineers a call today for help configuring the best test machine and accessories according to your standard. The molded specimen thickness asym be 1. For such materials, the milling procedure described in This standard is subject to revision at any time by the responsible technical committee and must be reviewed every?

This standard does not purport to address all of the safety concerns, if any, associated with asm use. However, because this test is lengthy, it need not be performed on every lot of material. Note 2—This standard has undergone major revision from the reapproval of and now covers only polyethylene for wire and cable applications. NOTE 8—Tables 4 and 5, are included to correspond with the grades speci?

However, no information is available on the relation between exposure times and service life under use conditions for wire and cable.

Active view current version of standard. Link to Active This link satm always route to the current Active version of the standard. After being milled as prescribed, the material shall meet the dielectric requirements prescribed in Table 3. Perform the tests in accordance with Practices GGd11248 D using the following exposure conditions: Note 3—See Guide D and 3. Satm initial distance between the bench marks or extensometer grips shall 6 be Irradiance at the control point shall be maintained at 0.

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Renumbered existing Section 11 to Section Adequate statistical sampling prior to packaging shall be considered an acceptable alternative. Similarly, there are other polyethylene asym of very high molecular weight having densities slightly less than 0.

Make duplicate determinations on the material in the form of powder, granules, or pellets. We are confident that we have what you are looking for. Force range of 5 kN to kN d1284, lbf tolbf Adjustable test space The most popular choice for static tension and compression tests These dual column testers are available in both tabletop and floor standing models. No conditioning is required.

Test specimens, 7 mm or under in thickness, shall be conditioned for a minimum of 40 h immediately prior to testing. NOTE 2—This standard has undergone major revision from the reapproval of and now covers only polyethylene for wire and cable applications.

NOTE 14—The h exposure period speci? However, the degradation rate of polyethylene has been found to be more variable than in the irradiance controlled unit and may be as little as 1?

Last previous edition approved in as D – For information regarding molding and extrusion materials, see Speci? This is discussed in Practice D E2 10 [] — By means of our testing expertise and modular product design, we will help find the solution that is right for you.

If Asfm Method D is used, it must be known that no inorganic pigments or? This standard has undergone major revision from the reapproval of and now covers only polyethylene for wire and cable applications. In the absence of contrary requirements, the following values shall apply: