... flux;alkalinity is 1.8,spherical particles,granularity is 10-60 mesh MT 101 is fluoride alkali type sintered flux;alkalinity ... 10-60 mesh;;it shows good welding performance:stable arc;fine appearance of weld,slag easy to remove,and excellent low temperature impact toughness ... :Matched proper wire,e.g.H10Mn2,etc,it is used for welding steel structures,such as boilers,pressure,vessels,bridges,oilcans ...