The main purpose
Used to test the heat penetration resistance of welders' protective masks and protective sheets. At a high temperature of 650℃, the hot rod is in uniform contact with the mask material or the protective sheet, and the mask material has no penetration and opacity within 5 seconds.
Technical parameter
1. Heat source body size: length 300mm±3mm, diameter 6mm, bottom surface is flat
2. Heat source temperature: (650±20)℃.
3. Protective mask for welders
(1) Length: not less than 310mm for hand-held and head-mounted models, and not less than 230mm for the combination of helmet and mask
(2) Width: not less than 210mm
(3) Depth: not less than 120mm
(4) Observation window: the size of length × width is not less than 90mm × 40mm
Applicable standards
GB/T3609.1-2008 Occupational eye and face protection welding protection part one welding protection equipment
Key words
Heat penetration performance tester for welder protective mask, heat penetration performance tester for protective mask, heat penetration performance tester for protective mask, heat penetration performance tester for welder protective mask