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ASTM D876-13

Заменен
Standard Test Methods for Nonrigid Vinyl Chloride Polymer Tubing Used for Electrical Insulation — 13 стр.
Значение и использование

4.1 These test methods include most of the test methods that are considered important to characterize nonrigid vinyl chloride polymer tubing. While they were developed initially for this type of extruded tubing, their use is not limited to this type of tubing.

4.2 Variations in these test methods or alternate contemporary methods are acceptable for use determine the values for the properties in this standard provided such methods ensure quality levels and measurement accuracy equal to or better than those prescribed herein. It is the responsibility of the organizations using alternate test methods to be able to demonstrate this condition. In cases of dispute, the test methods specified herein shall be used.

Note 2Provision for alternate methods is necessary because of (1) the desire to simplify procedures for specific applications without altering the result, and (2) the desire to eliminate redundant testing and use data generated during manufacturing process control, including that generated under Statistical Process Control (SPC) conditions, using equipment and methods other than those specified herein. An example would be the use of laser micrometers or optical comparators to measure dimensions. Область применения

1.1 These test methods cover the testing of general-purpose (Grade A), low-temperature (Grade B), and high-temperature (Grade C)2 nonrigid vinyl chloride polymer tubing, or its copolymers with other materials, for use as electrical insulation. For the purpose of these test methods nonrigid tubing shall be tubing having an initial elongation in excess of 100 % at break.

Note 1These test methods are similar but not identical to those in IEC 60684–2.

1.2 The values stated in inch-pound units are to be regarded as standard, except for temperature, which shall be expressed in degrees Celsius. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.3 The procedures appear in the following sections:


Procedure


Section

ASTM Reference Standard

Brittleness Temperature

43 – 45

D746

Corrosion Tests

74 – 85

 D1000

Dielectric Breakdown Voltage at High Humidity

65 – 73

E104

Dielectric Breakdown Voltage

58 – 64

D149

Dimensional Tests

8 – 14

D374

Effect of Elevated Temperatures

25 – 36

D412

Flammability Test

15 – 21

 

Oil Resistance Test

35 – 42

D471

Penetration Test

46 – 51

 

Sampling

6

 

Strain Relief Test

68 – 73

 

Tension Test

22 – 24

D412

Test Conditions

7

 

Volume Resistivity

52 – 57

D257


1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. 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. For specific hazard statements, see Section 5.

1.5 For fire test caveats, see Section 15.

ICS
29.035.20 Plastics. Including adhesive tapes / Пластмассовые и резиновые изоляционные материалы. Включая клейкие ленты
Сборник ASTM
10.01 Electrical Insulation (I): D69–D2484 / Электрическая изоляция (I): D69-D2484
Тематика
Electrical Insulating Materials