Refractory castable

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The location of KSINO is close to the base of refractory raw materials. KSINO’s main products include refractory bricks, high alumina bricks, clay bricks, phosphate bonded refractory bricks, supporting wear-resistant bricks for circulating fluidized bed boilers, high-strength wear-resistant castables, thermal insulation refractory castables, thermal insulation bricks, high alumina aggregates, hard clay clinker, and a variety of unshaped refractory materials. Based on different requirements of users, KSINO can develop and design various new refractory materials.

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Types of refractory castables	Classification	Materials	Maximum service temperature (℃)	Volume density g/cm³	Compressive strength (Mpa)	Application
Corundum castables	HC85	Corundum	1790	2.9	90	Lining materials for various kilns such as boilers, high furnace hot air furnaces, heating furnaces, ceramic kilns, etc
	HC92	Corundum	1790	3	90
	HC95	Corundum	1790	3.1	90
Corundum spinel castable		Corundum	1790	2.85	80	Balanced high temperature performance, slag corrosion resistance, permeability and volume stability of micro expansion at high temperature
Magnesia chrome castable	MRO55~65	Magnesite-chrome	1790	2.89	40	It shall be used for open-hearth furnace, electric furnace, oxidation converter, non-ferrous metal smelting furnace, cement kiln, alkaline refractory calcining kiln and so on.
Magnesia chrome castable	MRO68.1	Magnesite-chrome	1790	2.85	28.5
Low cement refractory castables		High alumina	1785	2.8	110
Aluminum free castables	Al2O3-75	Al2O3 SiO2	1790	2.6	80	It is mainly used for furnace wall, furnace bottom, degassing box chute and flow port, front box and holding furnace of aluminum melting furnace.
Chrome corundum refractory castable	Al2O3-85	Chrome corundum	1650	3	80	It is used to produce refractory materials, castables, refractory bricks, etc.
Chrome corundum refractory castable	Al2O3-89	Chrome corundum	1650	3	80
Expanded high alumina castable	Al2O3-58	High alumina	1400	2.33	50	Furnace roof
	Al2O3-60	High alumina	1400	2.36	55	Furnace roof
	Al2O3-60	High alumina	1400	2.4	55	Furnace wall and partition wall
	Al2O3-62~68	High alumina	1400	2.45	65	Furnace wall and partition wall
Corundum coil mastic	Al2O3-85	High alumina	1760	2.6	80	Induction furnace coil coating
Corundum coil mastic	Al2O3-91	Corundum	1760	2.8	80	Induction furnace coil coating
Skinning resistant castables	K55	High alumina silicon carbide	1300	2.4	80	It is suitable for preheater cone, rising flue, blanking slope and other parts. At high temperature, the glaze formed on the surface of the material prevents the penetration of the glass phase in the cement raw meal, thus playing the role of anti scaling.
Skinning resistant castables	K60	High alumina silicon carbide	1400	2.5	95
Alkali resistant castable refractories	Porosity ＞45	Light	1200		60	Heavy alkali resistant refractory castable is mainly used in the kiln tail, kiln head, preheater, outlet, tuyere and other parts of calcined alumina rotary kiln and cement rotary kiln. The light alkali resistant refractory castable is mainly used for the preheater top cover, cylinder and thermal insulation lining in the kiln of the rotary kiln. Alkali resistant refractory castable can also be used in industrial furnaces with alkali corrosion in steel, nonferrous metal, glass, machinery, petrochemical and other industries.
Alkali resistant castable refractories	Porosity＜45	Heavy	1300		60
Mullite castables	Al2O3≥65	Mullite	1500	2.5	100	Ideal refractory for key parts of high temperature kiln
	Al2O3≥75	Mullite	1600	2.75	100
	Al2O3≥75	Mullite	1600	2.75	100
Corundum castables	KSNHC2.9	Al2O3	1790	2.9	100	It is mainly used as the lining material of boilers, blast furnace hot blast furnaces, heating furnaces, ceramic kilns and other kilns, such as coal injection pipes, vulcanization beds, power generation boilers, rotary kilns, cooling machine ports and so on
	KSNHC3	Al2O3	1790	3	100
	KSNHC3.1	Al2O3	1790	3.1	100
Refractory casting materials with high strength and high wear-resistant	Al2O3≥60	High alumina	1750	2.6	60	Good mechanical properties; Strong furnace structure integrity; Superior air tightness to brick furnace; Long furnace life; Low maintenance cost; significant economic benefits.
	Al2O3≥65	High alumina	1750	2.7	65
	Al2O3≥75	High alumina	1750	2.8	80