Olivine
Olivine sand is foundry sand with low thermal expansivity. It is used for the preparation of forming mixtures in the foundry industry taking into consideration surface quality and castings properties.
One of the most used is INCASR LE50 olivine sand.
Chemical composition
MgO 49.7%
SiO2 41.3%
Fe2O3 7.3%
Cr2O3 0.29%
Al2O3 0.47%
NiO 0.32%
MnO 0.09%
Grain size analysis (mm %)
0.710 0.0
0.50 0.0
0.355 16.3
0.250 51.2
0.180 24.5
0.125 6.1
0.090 1.4
0.063 0.4
<0.063 0.1
Annealing loss max. 0.75%
Any volume can be supplied from min. 1,2 t.
CZ
PL


