... product can be used in forging and casting alloys welding due to it has silicon of 5% with the ... 2.Product usage:ships,engine,chemistry,food,sports,uipment,mould,furniture,vessel,container,etc.3.Surface treatment: strongly recommended ... ,which contain 12% silicon, can be adapted in welding all kinds of forging and casting or extruded shape ... , it always with strong pallet-packing Aluminium Welding Rods