Evaluation of quality of the artificial and the natural opening materials.
Regeneration, quality of regenerate. Natural sand sorts. The inorganic and
organic bonding agents. The interaction of bonding agent vers opening
material.
The activation of opening material, the CO2-process, the SO2-process, the Hot-
Box and the Cold-Box route. The method of full mould. The special technology
of
preparation of moulds and cores for artistic castings. The plaster moulds
(hardened mixtures), the investment pattern, the organic bentonites, cement
mixtures, the Shaw-method, the silicon-rubber method, the LOST FOAM, the
Replicast.