Specialized mixes – Огнеупорные смеси

Silicon carbide-containing mixes

Name of mix	Method of application	Chemical composition,%				Density after firing at 800˚С, g/cm³	Cold crushing strength, N/mm²		Operating temperature, ˚С
Al₂O₃	Method of application	SiC	Fe₂O₃	CaO	After drying at 110˚С	After firing at 800˚С
ALICAST 37/2.5-8KK	casting	34	8	2	2.5	2.2	80	120	1400
ALICAST 37/2.5-50KK	casting	20	50	1.5	2.5	2.3	90	130	1300
ALICAST 80/2.5 -5KK	casting	75	5	1.5	2.5	2.7	100	150	1550
ALKOR 50АТ-8КК	gunning, casting	50	8	1.5	10	2	60	100	1400
ALKORIT 70/1.5-25KK	self-flowing	72	25	0.2	1.2	3	40	70	1600
ALIFEST 70-20KK	casting	71	20	0.2	0.6	3.1	80	150	1600
ALICAST 90КК	casting	5	88	0.3	2.5	2.9	110	180	1150

Spinel-containing mixes

Name of mix	Main component	Chemical composition,%				Density after firing at 800˚С, g/cm ³	Cold crushing strength, N/mm²		PLC after firing at 1600˚С,%
Al₂O₃	Main component	SiO₂	MgO	CaO	After firing at 800˚С	After firing at 1600˚С
ALKORIT 93STM	tabular alumina, spinel	93	0.2	5	1.5	3	120	150	0.5
ALKORIT 96STM	tabular alumina, spinel	96	0.2	2.2	1.4	3	120	150	0.3

Abrasion-resistant ramming mixes

Name of mix	Main component	Chemical composition,%				Density after firing at 800˚С, g/cm ³	Cold crushing strength, N/mm²		Thermal conductivity at mean temperature 500˚С,W/m*K	Max. service temperature, ˚С
Al₂O₃	Main component	SiO₂	Fe₂O₃	CaO	after drying at 110˚С	after firing at 800˚С
ALIRAM К	quartz	15	72	1.8	4	2.2	70	90	–	400
ALIRAM 42AR	chamotte	51	40	0.9	4	2.3	90	120	1.3	1250
ALIRAM 72	bauxite	76	14	1.4	4	2.7	120	150	1.8	1250
ALIRAM 72AR	high-density bauxite	81	11	1.1	3	2.9	130	180	2.1	1350
ALIRAM 86AR	tabular alumina	86	7	0.2	3	2.9	130	180	2.2	1300

Mixes for aluminium industry

Name of mix	Main component	Chemical composition,%				Density after firing at 800˚С, g/cm ³	Cold crushing strength, N/mm²		Thermal conductivity at mean temperature 500˚С,W/m*K	Max. service temperature, ˚С
Al₂O₃	Main component	SiO₂	Fe₂O₃	CaO	after drying at 110˚С	after firing at 800˚С
ALKOR 45TAL	chamotte	45	37	1.2	9	2.1	40	50	1	1350
ALISIL 75/3	fused silica	18	75	0.1	3	2	70	70	1.2	1300
ALIT 65ARSAL	mullite	71	17	0.9	3	2.5	70	90	1.4	1450
ALIT 72RAL	bauxite	79	10	1.1	2.9	2.7	80	100	2	1450
ALIT 72ARSAL	bauxite	85	3	0.9	2.9	2.9	80	100	2.2	1500
ALIT 83	corundum	89	7	0.3	2.5	2.95	100	150	2.8	1400

Acid-resistant mixes

Name of mix	Method of application	Chemical composition,%				Density after firing at 400˚С, g/cm ³	Cold crushing strength, N/mm²		Max. service temperature, ˚С
Al₂O₃	Method of application	SiO₂	Fe₂O₃	CaO	after drying at 110˚С	after firing at 400˚С
ALKOR К	casting, gunning	17	64	3	13	2	30	30	500
ALICAST К	casting	10	81	2	3.5	2.1	50	70	500
ALIGUN К	gunning	19	61	3	14	2	40	35	500
ALIGUN K12/5	gunning	12	75	3	5	2	30	30	500
ALIGUN 37-50К	gunning	38	40	2.5	14	1.85	40	40	1200
ALIRAM К	hand ramming, patching	15	72	1.8	4	2.2	70	90	400

Mortars and mastics

Name of mix	Main component	Binder	Supplied as	Chemical composition,%				Max. service temperature, ˚С
Al₂O₃	Main component	SiO₂	Fe₂O₃	CaO
ALKOR 37 (1-0)	chamotte	cement	dry mix	40	45	3.5	9	1300
ALKOR 76 (1-0)	bauxite	cement	dry mix	75	10	1.6	9	1450
ALIRAM 35S (1-0)	chamotte	silicates	dry mix	42	50	2	-	1100
ALIRAM КS (1-0)	acidproof powder	silicates	dry mix	22	61	3	1	800
ALIPLAST 35 (1-0)	chamotte	phosphates	dry mix+ liquid binder	37	48	2.6	-	1300
ALIPLAST К (1-0)	acidproof powder	phosphates	dry mix+ liquid binder	15	60	3	2	800
ALIPLAST 85 (1-0)	bauxite	phosphates	dry mix+ liquid binder	65	9	1.3	1	1500