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$Henan Lite Refractory Material Co.Ltd.$

Henan Lite Refractory Material Co.Ltd.

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fire clay brick High mechanical strength,Good thermal shock resistance;
AZS Bricks AZS arch crown refractory block/brick is manufactured using high quality zirconia and zirconium corundum clinker raw materials with ceramic and chemical bonding.It is shipped underhigh pressure and fired with high temperature with scientific
Mullite insulation brick Light weight mullite insulating brick is made from pure mullite and adding alumina powder according to different type sintering in high temperature.
$Refractory cement$
Refractory cement Refractory cement also is called bauxite cement,high alumina cement,aluminate cement. 1.General refractory cement:made by high alumina bauxite and limestone materials 2.High pure refractory cement:made by industrial alumina and limestone Fea
High alumina castable Made from high alumina aggregate, refractory powder, binders and other additives. Features high mechanical strength,good thermal shock resistance,abrasion resistance, application mainly used as liner of furnace, blast-furnace,heating furnace

Refractory Mortar

►Description:
Refractory mortar is also as known as joint filler, it is composed of a certain particle ratio of refractory powder, binder and additive, pour water or liquid binder to tune into a paste.
1.Refractory powder
According to the difference of refractory powder,common mortar are clay based,high alumina based,silica based,magnesia based, corundum based,mullite based,zircon based,insulation based etc.Generally. The material of refractory mortar and the material of refractory brick are basically identical.
2.Binder--Cement,phosphoric acid or phosphate,sodium silicate.

►Features:
1.Granularity standard,
2.Good liquidity and plasticity,
3.High refractoriness,high refractoriness under load,
4.High adhesive strength,
5.Good gas tightness,small gap for construction,
6. Corrosion resistance, good slag resistance,
7.Good resistance to chemical attack
8.Thermal expansion coefficient is low.
9.Low shrinkage at high temperature
10.Good volume stability,good structural integrity,
11.Long working time

►Technical parameters:

Items/Type			Fire clay mortar			High alumina mortar
Raw material			Flint clay clinker			High alumina clinker
Binder			Soft clay and chemical bond
Classification			38	42	45	55	65	75
Chemical composition,%		AL₂O₃, ≥	38	42	45	55	65	75
Refractoriness °C ≥			1690	1710	1730	1760	1780	1780
Bonding time ,min			12	12	12	12	12	12
Modulus of rupture, MPa ≥	110°C×24h		1	1	1	1	1	1
Modulus of rupture, MPa ≥	°C×3h		1200×3h 3	1200×3h 3	1200×3h 3	1400×3h 4	1400×3h 4	1400×3h 4
Particle size,%	-1.0mm		100	100	100	100	100	100
	+0.5mm ,≤		2	2	2	2	2	2
	-0.074mm,≥		50	50	50	50	50	50
Using temperature °C			1300	1350	1400	1420	1450	1500

Item		Silica mortar
Raw material		Cab-O-sil or adding some ganister sand
Binder		Soft clay and chemical bond
Classification		94	92	96
Refractoriness °C		≥1690	≥1670	≥1710
Chemical composition,%	SiO2	≥94	≥92	≥96
	Al2O3	-	-	≤0.6
	Fe2O3	≤1.0	-	≤0.7
Cold Rupture Bonding Strength After Drying(Mpa)	110°C×24h	≥1.0	≥1.0	≥0.8
Cold Rupture Bonding Strength After Drying(Mpa)	1400°C×3h	≥3.0	≥3.0	≥0.5
Refractoriness Under Load 0.2MPa °C		≥1600	≥1500	≥1620
Bonding Time min		1-2	1-2	2-3
Grain Composition %	+0.5mm	≤1.0	≤3.0	≤2.0
Grain Composition %	-0.074mm	≥60	≥50	≥10

Item		Magnesia mortar
Raw material		magnesia clinker
Binder		Clay,bentonite or chemical bond
Classification		84	87	90	93
MgO (% )		≥84	≥87	≥90	≥93
SiO2 (%		≤8.2	≤6.7	≤6.4	≤3.5
Particle size (mm)	+0.5	<2.0
	-0.074	>60
Bond strength (Mpa)	110°C×24h	>5	>3	>5	>3
	1500°C×3h	>50	>45	>50	>45
Bonding time (second)		>40”	>40”	>40”	>40”

Item			Insulating mortar
Type			Fire clay		High alumina		Silica
Classification			35	-	70	60	92
Chemical composition,%		AL₂O₃, ≥	35	-	70	60	-
Chemical composition,%		SiO2, ≥	-	-	-	-	92
Bond strength (Mpa)		110°C×24h	≥0.5	≥0.5	≥1.0	≥1.0	≥0.5
Bond strength (Mpa)		°C×3h	1200×3h ≥1.0	1000×3h ≥0.5	1500×3h ≥1.5	1400×3h ≥1.5	1400×3h ≥1.0
Thermal Conductivity（W/m.k）(350°C)			≤0.35	≤0.35	≤0.6	≤0.5	-
Grain Size(%)	-1.0mm		100	100	100	100	100
Grain Size(%)	-0.076mm		≥50	≥50	≥50	≥50	≥50
Bonding time (min)			1～2	1～2	1～2	1～2	1～2

Item			Mullite mortar		Corundum mortar
Classification			55	70	80	85	90
Al2O3 %			≥55	≥70	≥80	≥85	≥90
Refractoriness °C			≥1770	≥1790	≥1850	≥1850	≥1850
Modulus of rupture Mpa		110°C×24h	≥2	≥2	≥2	≥2	≥2
Modulus of rupture Mpa		°C×3h after	1400×3h ≥6	1500×3h ≥6	1500×3h ≥7	1500×3h ≥7	1500×3h ≥7
Refractoriness under load °C			≥1400	≥1500	≥1650	≥1700	≥1700
Bonding time min			1-2
Linear change (%)			-	-	-	0~+0.1 (1500°C,3h)	0~+0.1 (1500°C,3h)
Particle size (mm)	+0.5		≤1	≤1	≤1	≤1	≤1
Particle size (mm)	-0.076		≥50	≥50	≥50	≥50	≥50

►Application:
Generally the material of refractory mortar and the material of refractory brick are basically identical. For example high alumina brick is used for laying and repairing high alumina brick masonry construction of hot blast stoves,boiler etc industrial furnace kiln.

►Delivery:
Packing:
1.Plastic bag(25kg), Kraft bag (25 kg), Plastic bag(1 ton);
2.1 ton on pallet with plastic film
3.As per customer’s request

Delivery Time:
1.Samples:4 days for samples;
2.Batch goods:Within 10-20days.