ASTM D5025-20a

Detail information

Designation: ASTM D5025-20a

Publication date: 01/03/2020

Pages: 3

Country: American technical standard

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Anotation

This specification covers the physical dimensions and characteristics of a laboratory burner used for small-scale burning tests on plastic materials, with the supply gases including methane, propane, and butane. The burner shall consist of a burner barrel that threads onto a one-piece base, which is equipped with an orifice and a needle valve that restricts the orifice opening and regulates the gas velocity through the burner, and a gas inlet, which consists of a serrated fitting for connection to the gas supply. A lock nut for securing the barrel onto the base may be provided optionally. The mixing tube of the barrel shall be manufactured with a uniform bore, and the barrel, threads, and serrated fitting shall be free of flash and burrs.


Keywords:
flammability, ignition source, laboratory burner, plastics, small-scale burning tests,, ICS Number Code 71.040.20 (Laboratory ware and related apparatus)