Monolithics
MonolithicsCastable refractories are supplied dry to be mixed with water before installation. They are usually poured or cast in the same manner as ordinary concrete castables. They can be installed by trowelling, gunning, shotcreting and sometimes by ramming. There is a wide variety of grades of castables available with different bonding systems, such as conventional cement, low cement, ultra low and no cement, free flowing and shotcrete. Castables reduce installation costs and time compared with bricks but have the disadvantage of needing to be dried prior to use. Most castables are based on alumina silicate or high alumina raw material. |
Silica, Alumina, Magnesia, Doloma, Chromite and Spinel |
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Tap-hole MassThis product is manufactured according to your requirements. The main characteristics of tap-hole clay include good viscosity and good sintering properties combined with corrosion and erosion resistance. |
Refractory MortarsMortars are used to fill refractory joints, bond bricks together and protect the joints from attack, slag or other fluxes. Mortars should be compatible with the brick they are bonding and not have excessive expansion or shrinkage compared with the brick structure. General-use mortars can be divided into two types: air-setting mortar and heat-setting mortar.
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Gunning Refractories – MaysprayGunning mixes are similar to castables but have a finer size grading. Gunning refractories are best suited for hot repairs because they can be installed in large quantities within a short time. Gunning is performed using compressed air. Granular gunning mixes are spayed from a variety of different types of gun at high velocity and pressure to form crack-free homogeneous linings. The granulometry and bond are designed to ensure minimal dust generation, high adhesion, high density and small rebound losses. It is possible to line horizontal, vertical or overhead structures without forms, by gunning. Both basic, high alumina and alumina silicate gunning material are available. |
Plastic Refractories, Ramming Mixes – MayramPlastic refractories are used in many applications where the material is rammed into place around difficult shapes or refractory anchors. As for castables, correct drying is essential to prevent cracking. The clay bond in mouldables gives them the advantage of not being brittle and being able to withstand impact damage. |
Mid Alumina CastableUtilising raw ingredients commonly associated with the 50 & 60% class range of bricked products. Products in this range contain low iron calcium aluminate cements with additions in the region of 5% (low cement) to 15%. Mid alumina refractory concretes have superior strengths at ambient and elevated temperatures combined with better volume stability than fireclay monolithics. |
High Alumina CastableCommonly based upon bauxite and associated with the 70 & 80% class range of bricked products. Products in this range contain low iron calcium aluminate cements with additions in the region of 5% (low cement) to 15%. High alumina refractory concretes have superior strengths at ambient and elevated temperatures combined with better volume stability than mid-alumina monolithics. |
PhosphateChemically bonded refractory castables based on either sillimanite or bauxite minerals exhibit high strength and density combined with good volume stability from ambient to elevated temperatures. Phosphate-bonded monolithics are commonly associated with areas of the furnace that require excellent resistance to abrasion. |
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