The ED&D Tirrill Burner is designed to be used as an ignition source for small scale burning tests on plastic materials in compliance with the UL flame test requirements. Meets ASTM and standard D5025. The burner can be used with propane supply gas for flame heights from 20 to 125mm. The H-5025 comes complete with (2) 3/8" (9.5mm) ID by 4" (100mm) mixing tubes for use in 20mm (50W) and 125mm burning tests (500W). [3/4" and 5" flame, respectively].
This product comes standard with the optional locknut, which allows positioning of the barrel air-inlet openings partially or fully open.