what is flake aluminium powder
aluminium powder aslo name is silver powder , it is metallic pigment . product from high purity aluminium powder or aluminium scrap then put little acids or solvent , through grinding to be scale flake powder , then polish Surface get glossy .
application :
it is light aluminium powder, high water coverage with good leafing value . have uniform reflective effect . through treatment can be have nonleafing type , use for different industry
during 1894， Germany hamtga use grinding mill to product flake aluminium powder ,
but grinding balls , aluminium scrap to the mill , use inside ball hit to be scale flake shape .
during process , we are use nitrogen gas as protect , we call this way is dry product way .
1910 USA J HALL developed put solvent instead of nitrogen gas , product aluminium powder with solvent to be paste , we can this type aluminium powder as aluminium pigment .
this type equipment is simple and product process is safety , so it is use all over the word, we aslo cannot this is wet grinding way ,the finished goods we can it is aluminium paste or aluminium powder .
