ISTRA 40 is a normal setting, rapid hardening Cal-cium Aluminate Cement (CAC) with high early strength. It differs substantially from the usual calci-um silicate cements (Portland cements) in its manufacturing process, chemical composition and rapid strength gain. ISTRA 40 is composed of calcium aluminates with the following characteristics: • high early strength • refractoriness • high abrasion resistance • resistance to biogenic sulphuric acid corrosion (BSAC)

ISTRA 50 is a normal setting, rapid hardening Calcium Aluminate Cement with high early strength. It differs substantially from the usual calcium silicate cement (Portland cements) in its manufacturing process, chemical composition and rapid strength gain. ISTRA 50 is composed of calcium aluminates with high early strength, refractories, high abrasion resistance and resistance to biogenic sulphuric acid corrosion (BSAC).

LUMNITE® MG4 is a fused, low purity calcium aluminate (CA) cement designed to contribute special properties in materials for the building chemistry, corrosion resistance, and related applications. It can be used as a stand-alone cement, or as a component in specialized hydraulic binder systems. LUMNITE® MG4 is optimized to respond especially well to a wide variety of additives and admixtures. It has the following properties: • High early strength • High abrasion resistance • Resistance to biogenic sulfuric acid corrosion and other forms of chemical attack