Special Sands from Hüttenes-Albertus
Foundry quality is supplied with 50–60 AFA size and typical composition is MgO: 48%, SiO2: 41% and Fe2O3: 8%. ... When using Kerphalite KF and Cerabeads, shrinkage of the shell core occurs. In sensitive hydraulic and automotive casting, complex cores are produced with coated HA special sands, which guarantee flawless castings close to ...
Đọc thêm