NAME：Grain-refining flux
MODEL：JL

FUNCTION:
1.Ensure a fine grain structure in aluminium and silicon,improved machinability and reduction of shrinkage defects.Hav-ing some degassing function;
2.grain-refining the foundry alumunium alloys, and it can be added into crucible furnace or ladles;
TECHNOLOGY PARAMETER:
1.Temperature:700-740℃;
2.Dosage:5.0kg/t Al;