NSIC (Si3N4-SIC) ceramic material is very popular with Riser Tube for Low pressure Die Casting industry,No Fe increasing for products, improve quality and lower production cost, but improperly operation easily lead to unexpected damage, Now Tangshan Hanwei guide you right way as follow:

1) Must be dry before working, will be crack in case of wet riser tube(Stalk Ceramic Tubes);

2) Before tube inserting the smelting metal, preheat the tube to 400℃, then slowly into the AL , Zn, Cu ...smelting metal, fast moving is prohibited, the softly slower the better;

3) When riser tube move out from Alumina...smelting metal, put it on refractory felt and parcel it.

4) Be carefully operate the stalk ceramic riser tube all the way.

Hope above points is helpful for end users, powered by Tangshan HanWei Trading Co.,Ltd.