Standard Test Methods for Flammability of Electrical Insulating Materials Used for Sleeving or TubingTranslate name
STANDARD published on 1.10.2020
Designation standards: ASTM D8355-20
Publication date standards: 1.10.2020
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: American technical standard
Category: Technical standards ASTM
electrical insulation, flame spread, flaming materials, ignition, tubing ,
|Significance and Use|
5.1 Test Method A is the required flammability test for: crosslinked chlorinated polyolefin heat-shrinkable tubing for electrical insulation (Specification D2903), crosslinked poly(vinylidene fluoride) heat-shrinkable tubing for electrical insulation (Specification D3144), and crosslinked and noncrosslinked poly(vinyl chloride) heatshrinkable tubing for electrical insulation (Specification D3150).
5.2 Test Method A is also one of the flammability tests used for nonrigid vinyl chloride polymer tubing used for electrical insulation (in Test Methods D876), flexible treated sleeving used for electrical insulation (Test Methods D350), and heat-shrinkable tubing for electrical use (Test Methods D2671).
5.3 Test Method B is another flammability test (together with Test Method A) used for flexible treated sleeving used for electrical insulation (Test Methods D350).
5.4 Test Methods C and D are other flammability tests (together with Test Method A) used for heat-shrinkable tubing for electrical use (Test Methods D2671). In both tests the electrical insulating material is fitted with a metallic core. The electrical insulating material is tested after shrinking, but using different mandrels.
5.5 In these test methods, the test specimens are subjected to one or more specific sets of laboratory test conditions. If different test conditions are substituted or the end-use conditions are changed, it is not always possible by or from this test to predict changes in the fire-test-response characteristics measured. The results are therefore valid only for the fire-test-exposure conditions described in this procedure.
1.1 This is a fire-test-response standard.
1.2 This fire test response standard contains various tests applicable to electrical insulation materials used for sleeving or for tubing (including heat-shrinkable tubing).
1.3 Use the values stated in SI units in referee decisions; see IEEE/ASTM SI-10. The values given in parentheses after SI units are provided for information only and are not considered standard.
1.4 This standard is used to measure and describe the response of materials, products, or assemblies to heat and flame under controlled conditions, but does not by itself incorporate all factors required for fire hazard or fire risk assessment of the materials, products, or assemblies under actual fire conditions.
1.5 Fire testing is inherently hazardous. Adequate safeguards for personnel and property shall be employed in conducting these tests.
1.6 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.7 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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