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Experience in forming and core mixtures by AlpHhaset technology

Vasková I., Smolková M., Malik J., Eperješi Š.

Archives of Foundry Engineering

2008

Vol. 8, iss. 2

141-144

Chemically bound mixtures have had the evolution effect upon the economical and quality aspects of the foundry operations since they presentation at the market. The higher output and significantly increased production efficiency of moulds and cores has lead to the material increase in the quality and profit of the foundries. It can be seen that in last several years the knowledge of bounds based on the organic resins has made enormous advances. The higher strength, improved properties under elevated temperatures, the reduction of the environmental impacts of the organic bounds and at the same their highly improved regenerationability ensure that these systems will be still more significant binding system. The organic binding systems are predominantly being developed recemtly. The technology AlpHaset is ranked among the alkali binding systems. This technology has certain disadvantages - lower strength, speed of hardening- which have been gradually eliminated.