ASTM D1248-16

Standard Specification for Polyethylene Plastics Extrusion Materials for Wire and Cable

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STANDARD published on 15.11.2016

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The information about the standard:

Designation standards: ASTM D1248-16
Publication date standards: 15.11.2016
SKU: NS-673300
The number of pages: 9
Approximate weight : 27 g (0.06 lbs)
Country: American technical standard
Category: Technical standards ASTM

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Other rubber and plastics products

Annotation of standard text ASTM D1248-16 :

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. The polyethylene plastics are identified primarily on the basis of two characteristics, namely, density and flow rate (previously identified as melt index). The former is the criterion for assignment as to type which are as follows: Type 0,Type I, Type II, Type III, and Type IV, the latter for designation as to category which are: Category 1,Category 2, Category 3,Category 4, and Category 5. 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 type, class, and category designations. Each of five types and categories is subdivided into four classes according to composition and use as follows: Class A, Class B, Class C, and Class D. In addition, the materials can be classified into different grades namely Grade E1, Grade E2, Grade E3, Grade E4, Grade E5, Grade E6, Grade E7, Grade E8, Grade E9, and Grade E10. The extrusion material for wire and cable shall be polyethylene plastic in the form of powder, granules, or pellets. The extrusion materials for wire and cable shall be as uniform in composition and size and as free of contamination as can be achieved by good manufacturing practice. Different tests shall be conducted in order to determine the following physical properties of extrusion materials: tensile stress, elongation, brittleness temperature, environmental stress-crack resistance, thermal stress-crack resistance without cracking, dissipation factor before and after milling, dielectric constant, volume resistivity, water immersion stability, absorption coefficient, weatherability for colored materials, and carbon content.

Keywords:

polyethylene classification system, polyethylene for wire and cable, polyethylene plastics, wire and cable insulations and jackets,, ICS Number Code 83.140.99 (Other rubber and plastic products)

Additional information

1. Scope

1.1 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. 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.

1.2 This specification does not allow for the use of recycled plastics (see Note 3).

1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are mathematical conversions to inch-pound units that are provided for information only and are not considered standard.

1.4 The following safety hazards caveat pertains only to the test method portion, Section 12, of this specification: Note 1: There is no known ISO equivalent to this standard.

Note 2: This standard has undergone major revision from the reapproval of 1989 and now covers only polyethylene for wire and cable applications. For information regarding molding and extrusion materials, see Specification D4976. For information regarding plastic pipe materials, see Specification D3350.

Note 3: See Guide D7209and 3.1.2 of this standard for information and definitions related to recycled plastics.

2. Referenced Documents

L-P-390C
G154-23	Standard Practice for Operating Fluorescent Ultraviolet (UV) Lamp Apparatus for Exposure of Materials
G155-21	Standard Practice for Operating Xenon Arc Lamp Apparatus for Exposure of Materials
D2633-21	Standard Test Methods for Thermoplastic Insulations and Jackets for Wire and Cable
D2839-16(2023)	Standard Practice for Use of a Melt Index Strand for Determining Density of Polyethylene
D2951-00	Standard Test Method for Resistance of Types III and IV Polyethylene Plastics to Thermal Stress-Cracking (Withdrawn 2006)
D3182-21a	Standard Practice for Rubber—Materials, Equipment, and Procedures for Mixing Standard Compounds and Preparing Standard Vulcanized Sheets (Includes all amendments and changes 11/12/2021).
D3349-21	Standard Test Method for Absorption Coefficient of Ethylene Polymer Material Pigmented with Carbon Black
D3350-21	Standard Specification for Polyethylene Plastics Pipe and Fittings Materials
D3636-19	Standard Practice for Sampling and Judging Quality of Solid Electrical Insulating Materials
D3892-15(2020)	Standard Practice for Packaging/Packing of Plastics
D4976-12a(2020)	Standard Specification for Polyethylene Plastics Molding and Extrusion Materials (Includes all amendments and changes 11/17/2022).
D6360-15(2021)	Standard Practice for Enclosed Carbon-Arc Exposures of Plastics
D7209-06	Standard Guide for Waste Reduction, Resource Recovery, and Use of Recycled Polymeric Materials and Products (Withdrawn 2015)
E1131-20	Standard Test Method for Compositional Analysis by Thermogravimetry
G151-19	Standard Practice for Exposing Nonmetallic Materials in Accelerated Test Devices that Use Laboratory Light Sources
D4329-21	Standard Practice for Fluorescent Ultraviolet (UV) Lamp Apparatus Exposure of Plastics
D4703-16	Standard Practice for Compression Molding Thermoplastic Materials into Test Specimens, Plaques, or Sheets
G153-13(2021)	Standard Practice for Operating Enclosed Carbon Arc Light Apparatus for Exposure of Nonmetallic Materials
D150-22	Standard Test Methods for AC Loss Characteristics and Permittivity (Dielectric Constant) of Solid Electrical Insulation
D257-14(2021)e1	Standard Test Methods for DC Resistance or Conductance of Insulating Materials (Includes all amendments and changes 5/6/2021).
D618-21	Standard Practice for Conditioning Plastics for Testing
D638-22	Standard Test Method for Tensile Properties of Plastics
D746-20	Standard Test Method for Brittleness Temperature of Plastics and Elastomers by Impact
D792-20	Standard Test Methods for Density and Specific Gravity (Relative Density) of Plastics by Displacement
D1238-23a	Standard Test Method for Melt Flow Rates of Thermoplastics by Extrusion Plastometer (Includes all amendments and changes 12/6/2023).
D1505-18	Standard Test Method for Density of Plastics by the Density-Gradient Technique
D1531-06	Standard Test Methods for Relative Permittivity (Dielectric Constant) and Dissipation Factor by Fluid Displacement Procedures (Withdrawn 2012)
D1603-20	Standard Test Method for Carbon Black Content in Olefin Plastics
D1693-21	Standard Test Method for Environmental Stress-Cracking of Ethylene Plastics
D2565-23	Standard Practice for Xenon-Arc Exposure of Plastics Intended for Outdoor Applications

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