Chamotte, mullite, mullite-corundum and corundum products of general purpose

Chamotte, mullite, mullite-corundum and corundum products

Chamotte, mullite, mullite-corundum and corundum products of general purpose are designed for laying various thermal units with a maximum application temperature of 1200-1500 ° C

Technical characteristics

	Norm for mark
	SHAK	SHA	SHB		SHSA		SHSB		SHSV
	GOST R 53406-2009
Mass fraction, %: Al₂O₃, no less	33	30	28		32		30		30
Refractory property, °C, no low	1730	1690	1650		1690		1670		1650
Compressive resistance, N/mm², no less	23	20	15		20		15		13
Open porosity, %, no more	23	24	30		24		27		30
Residual changes in the sizes during heating, %, no more, at the temperature 1400 °C	0,5	-	-		-		-		-
Onset temperature of softening, °C, no low than	1320	1300	-		1300		-		-
	Norm for mark
	MLS-62	MKS-72		MKP-72		MKS-90		KS-95
	GOST 24704-2015
Mass fraction, %: Al₂O₃, over Fe₂O₃, no more	62 1,5	72 1,5		72 1,5		90 0,8		95 0,6
Compressive resistance, N/mm², no less	25	30		80		50		40
Open porosity, %, no more	24	24		16		24		24
Residual changes in the sizes during heating, %, no more, at the temperature: 1500 °C 1600 °C	0,4 -	- 1,0		- 1,0		- -		- -
Deformation temperature on load, °C, no low	1450	1500		1550		1660		1680

	Norm for mark
	KUF-95	MLU-69	MLU-62
	GOST 24704-2015
Mass fraction, %: Al₂O₃, over Fe₂O₃, no more P₂O₅, no more	95 0,5 1,5	69 1,0 -	62 1,1 -
Compressive resistance, N/mm², no less	90	50	60
Open porosity, %, no more	17	19	17
Residual changes in the sizes during heating, %, no more, at the temperature: 1500 °C 1600 °C	- 0,3	0,3 -	0,4 -
Deformation temperature on load, °C, no low	1650	1650	1600

It is acceptable the production of products of marks MLS-62, MKS-72, MKP-72, MKS-90, KS-95, KUF-95, MLU-69, MLU-62 by GOST Р54312-2011

Limit deviations for the dimensional deviations of products

		Chamotte products
Product name		for rectangular and molded products of simple configuration of marks SHA,SHB,SHAK,SHSA,SHSB,SHSV
		I			II
		mm	%		mm	%
Rectangular:
in length		±3	-		±4	-
in width		±2	-		±2	-
in thickness		±2	-		±2	-
Molded of simple configuration, sizes:
up to 100mm inclusive		±2	-		±2	-
over 100 to 250mm inclusive		±2	-		±3	-
over 250 to 300mm inclusive		±3	-		±4	-
over 300 to 400mm inclusive		±5	-		±6	-
over 400mm		-	±1,5		-	±2,0
	for molded products of complex and particularly complex configuration of marks SHA, SHB, SHAK, SHSA,SHSB, SHSV
Product size	мм			%
up to 100mm inclusive	±3			-
over 100mm	-			±2,5

	For marks MLS-62, MLU-62, MLU-69, MKS-72, MKP-72, MKS-90, MKU-90, KS-95, KUF-95
Product size	мм	%
up to 200mm inclusive	±2	-
over 200 to 400mm inclusive	-	±1,0
over 400mm	-	±1,5

Form and sizes GOST 8691-73 with a change 1-4*

«Due to carrying onto effect the national standards GOST R 51262.1-99 «Refractory rectangular products of general purpose. Form and sizes» and GOST R 51262.2-99 «Refractory v-shaped products of general purpose. Form and sizes» for orders the standard number for the form and sizes should be point out».

Straight brick. Bonder. Straight three quarter brick.

Product number	Size, mm			Complexity unit
	a	в	б
Straight brick
1	230	65	65	3
2	230	65	85	3
3	230	100	114	4
4	230	75	114	2
5	230	65	114	1
6	230	40	114	5
6а	230	65	130
7	250	75	124	2
8	250	65	124	1
9	300	65	150	2
10	345	75	150	3
Bonder
11	230	75	172	2
12	230	65	172	2
13	250	75	187	3
14	250	65	187	2
15	300	65	225	3
Straight three quarter brick.
16	172	75	114	3
17	172	65	114	2
18	187	75	124	3
19	187	65	124	3

Side brick (double sided and single sided). One and a half side brick (double sided and single sided). Neck brick (double sided and single sided)

Product number		Size, mm				Complexity unit
		a	в	в₁	б
	Side brick (double sided and single sided)
20		230	75	65	114	4
21		230	75	55	114	4
22		230	65	55	114	3
23		230	65	45	114	4
23а		230	75	45	150
24		250	75	65	124	4
25		250	65	55	124	3
26		250	65	45	124	4
27		172	65	55	114	4
28		172	65	45	114	4
29		300	65	55	150	4
30		300	65	45	150	4
31		345	75	65	150	5
32		345	75	55	150	5
	One and a half side brick (double sided and single sided)
33		230	75	65	172	3
34		230	75	55	172	3
35		230	65	55	172	3
36		230	65	45	172	3
37		250	75	65	187	3
38		250	65	55	187	3
39		250	65	45	187	3
40		300	65	55	225	4
41		300	65	45	225	5

Product number	Size, mm				Complexity unit
	a	в	в₁	б
Neck brick (double sided and single sided)
42	230	75	65	114	3
43	230	75	55	114	3
44	230	65	55	114	2
45	230	65	45	114	2
45а	230	65	55	150