Huixinlong refractory material factory 3] clay refractory brick [t high quality clay refractory brick

fire resistance temperature	1580 ~ 1770 ℃ (℃)
Origin	Henan Xinmi
Product category	refractory bricks
Material	other
thermal conductivity (normal temperature)	other
Level	Level 1

The refractory bricks produced by our factory have wear resistance, corrosion resistance, peeling resistance, low creep, good thermal shock stability, and the service life is 1
5 times that of ordinary products; It is mainly used in blast furnaces, hot blast furnaces, carbon calciners, carbon calciners, coke ovens, steel drums, casting systems, boilers, cement kilns, glass kilns and various kiln linings and thermal equipment
It is suitable for metallurgy, machinery, building materials, casting, ceramics, electric power, petroleum, chemical and other industries

Clay refractory bricks are divided into (national standard) according to physical and chemical indexes: n-1, n-2a, n-2b, n-3a, N-3B, n-4, N-5, n-6 (1580 ℃ -1750 ℃)

index / brand		N-1	N-2a	N-2b	N-3a	N-3b	N-4	N-5	N-6
fire resistance ℃ ≥		1750	1730	1730	1710	1710	1690	1670	1580
0 2mpa load softening start temperature ≥		1400	1350		1320		1300
reheating line change%	1400℃2h	+0 1 -0 4	+0 1 -0 5	+0 2 -0 5
	1350℃2h				+0 2 -0 5	+0 2 -0 5	+0 2 -0 5	+0 2 -0 5
apparent porosity% ≤		22	24	26	24	26	24	26	28
normal temperature compressive strength MPa ℃ ≥		30	25	20	20	15	20	15	15

According to the physical and chemical indexes, high alumina refractory bricks are divided into (national standard): lz-75, lz-65, lz-55, lz-48 (fire resistance temperature 1750 ℃ -1790 ℃)

index / brand	LZ-48	LZ-55	LZ-65	LZ-75
AL2O3% ≥	48	55	65	75
fire resistance ℃ ≥	1750	1770	1790	1790
0 2mpa load softening start temperature ℃ ≥	1420	1470	1500	1520
apparent porosity% ≤	23	23	22	22
normal temperature compressive strength MPa ≥	39 2	44 1	49	53 9

The international label of refractory bricks is divided into (SK standard): sk-32, sk-34, sk-36, sk-38

indicators	SK-32	SK-34	SK-36	SK-38
aluminum oxide (%)	35	38	55	70
iron oxide (%)	3 00	2 50	2 00	2 00
fire resistance (SK)	32	34	36	38
0 2mpa load softening temperature ℃ (° C)	1300	1350	1450	1520
apparent porosity (%)	22-26	20-24	20-23	20-22
bulk density (g/cm3)	2 05	2 10-2 2	2 25-2 35	2 40-2 50
normal temperature compressive strength MPa (MPA)	22	25	45	50
thermal expansion at 1000 ° C (%)	0 6	0 6	0 3	0 2

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The specific transaction price may change due to the user's use of coupons, etc
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The transaction price at the specific event may change due to the user's use of coupons, etc
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If the merchant explains the crossed price separately, the statement of the merchant shall prevail