Products

Tundish Insulating

Aleastur has available a wide range of tundish, which has been developed for:

  • Insulation to prevent heat loss during casting and active.
  • Protection of the liquid metal surface from air oxidation and H and N pick up.
  • Absorption of non metallic inclusions.

Typical compositions

They can be used in a single or double layer system

TERMOL SC TERMOL CA-E TERMOL ARL TERMOL R TERMOL B90
SiO2 26-29 % 4 – 5.5 % 58-60 % 40-55% 3 – 5 %
CaO 38-42 % 58-60% 2-4 % 7-14% 7 – 10 %
Al2O3 < 0.1 % 30-32% 18-20 % 20-25% < 1 %
Fe2O3 < 0.2 % 1-1,5% 8-10 % 4-10% 1-1,5%
MgO – 0-1% 4-6% 1-5% 84 – 88%
LOI 29-30 5% 4% 4% 1%
Grain size 0-1.5 mm 0-1.5 mm 10-20mm 0-1.5mm 0-1.5mm