Alnoor Refractories

2010-3-9 · ARL follows strict QC and QA standards through out the process, from crushing and sieving to testing of finished products before dispatch. Control of chemical components, physical specifications and dimentions (within + - 1 %) are given primary importance in production process.

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High Alumina Brick

2021-7-7 · High Alumina Brick. 1.High mechanical strength. 2. High refractoriness. 3.Thermal shock resistance. High Alumina Brick. High alumina bricks are the general names of alumina silicate refractory bricks, containing at least 48% Al2O3. The …

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2020-6-22 · Refractoriness(℃) ≥1700 ≥1700 Bulk density(g/cm 3 ) ≥2.25 ≥2.10 Apparent porosity(%) ≤18 ≤20 Cold crushing strength(MPa) ≥50 ≥50 Linear change on reheating 1000℃×2h(%) ±0.1 ±0.1

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Introduction to the Characteristics of Refractories and ...

2013-10-3 · Cold crushing strength – It is a measure of the mechanical strength of the refractory brick. In furnaces, cold crushing strength (CCS) is of importance, because of bricks with high crushing strength is more resistant to impact from rods or during removal of slag than a brick with a low CCS. ... Refractoriness under load – Refractoriness ...

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Hanger & Shoulder Bricks

Its cold crushing strength is 350 Kg/cm 2. The refractoriness under load is minimum 1430 (Ta °C). These bricks are used for re-heating furnace. 3) Hanger & Shoulder Bricks 70% Alumina. It contains minimum 70% Alumina & maximum 3% Ferric. The PCE O. C. content is 36. Its minimum bulk density is 2.65 gm/cc and its apparent porosity is maximum 23 ...

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Introduction to the Characteristics of Refractories and ...

2013-10-3 · Cold crushing strength – It is a measure of the mechanical strength of the refractory brick. In furnaces, cold crushing strength (CCS) is of importance, because of bricks with high crushing strength is more resistant to impact from rods or during removal of slag than a brick with a low CCS.

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Refractories containing fused and sintered alumina ...

2017-4-1 · White fused alumina exhibited a higher refractoriness under load as well as a lower total compression and creep rate in creep in compression experiments. However, tabular alumina had a higher cold crushing strength and Young''s modulus before and after thermal shock.

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Adaptation of Odolewu Clay for Use as Refractory Material

2016-9-9 · The clay was then crushed, sieved and blended with dolomite in proportions ranging from 0-30 wt.%. Tests for thermal shock resistance, cold crushing strength, percentage linear shrinkage, bulk density, apparent porosity, permeability and refractoriness were carried out on each composition.

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Magnesite Refractories

2021-8-28 · Magnesite Bricks Mg0 85% - 95%. Magnesite refractory products have the properties of bearing high temperature, high refractoriness under load and good resistance to alkali. Magnesite refractory bricks are widely used in the basic zone of …

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Cold Crushing Strength

The Cold Crushing Strength (CCS) represents the ability of a product to resist failure under compressive load at room temperature. It has an indirect relevance to refractory performance, and is used as one of the indicators of abrasion resistance. The higher the CCS of a material is the greater should be the resistance to abrasion.

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High alumina brick 75%

2021-8-15 · High alumina brick with 75% alumina, High refractoriness under load, High compressive strength. Description. High alumina brick with 75% alumina. 1) Alumina content: 75%. 2) Apparent porosity: ≤23%. 3) Cold crushing strength: ≥50mpa. 4) Refractoriness: 1790oC. 5) Refractoriness under load in 0.2MPa: ≥1520oC.

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10 Characteristics of Refractories Every Plant Manager ...

2018-12-7 · Here are 10 common traits of refractory materials: Abrasion resistance. Bulk density. Cold crushing strength. Creep. Melting point. Porosity. Pyrometric cone equivalent. Refractoriness under load.

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Cold Crushing Strength

Cold Crushing Strength - ReStaR

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Refractoriness | Scientific

The refractoriness of the samples was measured, and the samples were then fired to 1100and standard properties such as thermal shock resistance, cold crushing strength and apparent porosity were determined. The result shows that addition of Gezawa clay to Gezawa stone improves its thermal shock resistance but reduces the refractoriness, while ...

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Refractory and insulating materials

1982-1-1 · Even material of 20% porosity shows extremely high cold-crushing strength and excellent hot strength whether in the conventional refractoriness-under-load, modulus-of-rupture, or creep tests. It has, in addition, unusually good thermal-shock resistance owing to its high thermal conductivity, low thermal expansion and high modulus of rupture.

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High Refractoriness 1580C 1770C Refractory Bricks White ...

High quality High Refractoriness 1580C 1770C Refractory Bricks White Light Weight Insulating Mullite Firebrick from China, China''s leading 1770C Mullite Insulating Brick product, with strict quality control 1580C Mullite Insulating Brick factories, producing high quality High Refractoriness Mullite Brick products.

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Cold crushing strength 49 58.8 60 60 60 60 40 0.2 Mpa℃≥ 1540 1550 1620 1650 1680 1700 1700 0.2 Mpa refractoriness under load (%) …

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Properties of Refractories – IspatGuru

2016-12-16 · Cold crushing strength – The cold crushing strength determines the ability to withstand the rigorous of transport and handling before the installation of refractories in the furnace. It can be seen as a useful indicator to the adequacy of firing and abrasion resistance in consonance with other properties such as bulk density and porosity.

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Cold crushing strength 35 35 35 35 35 0.2Mpa(℃) ≥ 0.2Mpa refractoriness under load 1560 1580 1580 1610 1640 (Time) ≥ Thermal shock stability 5 5 5 5 5 Direct-bonded Magnesia-chrome Brick Item ZMG-4 ...

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Refractory Bricks

2019-7-26 · crushing strength refractoriness under load thermal shock resistance permanent linear change at linear thermal expansion at thermal conductivity at al 2 o 3 fe 2 o 3 t 1000 0c 500 °c 750 °c 1000 °c 1250 °c 05 /t 5 14000c/5h unit [%] [g/cm3] [%] [mpa] [0c] [cycles] [%] [%] [w/mk]

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Preparation and characterization of clay bonded high ...

2017-11-1 · The results for cold crushing strength (CCS) measurements are shown in Fig. 5. It was found that these refractory samples has shown very good mechanical strength. These results may be attributed to the incorporation of refractory grogs and clay into the composition.

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(PDF) COMPARATIVE ANALYSIS OF INSULATING BRICK …

The crushing strength of Ijero firebricks ranges from 0.0.KN to 121KN and Ikere from 0.00KN to 15KN, the average compressive strength of the produced brick is 23.5 KN/mm 2.

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Properties of Refractories – IspatGuru

2016-12-16 · Cold crushing strength – The cold crushing strength determines the ability to withstand the rigorous of transport and handling before the installation of refractories in the furnace. It can be seen as a useful indicator to the adequacy of firing and abrasion resistance in consonance with other properties such as bulk density and porosity ...

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(PDF) Evaluation of the Refractory Properties of Nigerian ...

A cold crushing strength of 17.48 MN/m2 was obtained with modulus of rupture of 8.28 MN/m2. The thermal shock resistance exceeded 30 cycles and the refractoriness was 1750℃. The sample was ...

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Characterization of Obe Clay Deposits for Refractory ...

2017-12-16 · The minimum cold crushing strength according to Chester, (3), is 15 Mpa and Obe clay offers strength much higher than this. 3.3.6 Thermal shock resistance Obe clay has good thermal shock resistance of 28 cycles which is well within the acceptable standard of 20-30 cycles, table 3.5 3.3.7 Refractoriness.

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14 Types Of Refractories

They have high refractoriness, Thermal stability at high temperature and slag resistance. They are more porous, more shrinkage softness and less strong. They can be used up to 2300 o C without load and up to 1650 o C with the load. dolomite type of refractories ... Cold Crushing Strength:

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qj_qj

Qj series amorphous refractory developed by this factory is series insulation castable, which has such advantages as high refractoriness, high crushing strength and small thermal conductivity . this series product is used widely as insultion material for various

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Potential of Tin Tailings an Industrial Waste for ...

The properties namely: chemical analysis firing shrinkage, porosity, cold crushing strength, refractoriness and thermal shock resistance were determined. The result obtained show that cold crushing strength and thermal shock increased as the sieve size decreases, which means that high strength …

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1240 | REFEL

Cold crushing strength 1 >200 N/mm 2: Refractoriness under load (T 05) 2: 1700°C: Corrosion resistance in soda lime glass at 1500°C 3: index 1 (reference index) Stone formation in soda lime glass at 1500°C: 0: Blistering in soda lime glass at 1150°C 4-5: 0: Exudation at 1550°C 6: index 0.58 (referred to 1532 material) True density 7: 3.98 ...

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Corundum Mullite Insulating lightweight castable ...

Refractoriness (Degree):: Common (1770 ... High Strength Wear-Resistant Corundum Mullite Refractory Castable has high crushing strength, good high temperature volume stability and thermal shock stability, excellent wear resistance and erosion resistance. …

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China Customized Fireclay Brick Manufacturers, Suppliers ...

Cold Crushing Strength Mpa,MPa. ≥68. 58.8≥. Map Refractoriness Under Load T0.6,℃ T0.5,℃ ≥1500. ≥1470. ≥1470. ≥1450. Thermal Shock resistance(1100℃-water cooling) Actual measuring data should supplied. Permanent Linear Change On Reheating(1400℃×2h),%-0.1 +0.5-0.2 0.0

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Basic Brick

Made of fused mag-chrome, magnesite and chromite; processed by ultra high temperature firing. With properties of very good thermal shock stability, oxidation-reduction resistance, thermal fatigue resistance, wear resistance and erosion …

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High alumina brick 65%

2021-8-23 · Description. High alumina brick with 65% alumina 1) Alumina content: 65% 2) Apparent porosity: ≤23% 3) Cold crushing strength: ≥45mpa 4) Refractoriness: 1790oC

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2021-3-25 · Cold Crushing Strength Mpa ≥ 60 60 50 60 0.2Mpa Refractoriness Under Load T0.6 ℃ ≥1570 ≥1560 ≥1620 ≥1650 Permanent Linear Change On Reheating(%)1500℃X2h 0~+0.4 0~+0.4 0~+0.4 0~+0.4 Thermal ≥18

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MZ-97 Magnesia Bricks-Henan Lite Refractory Material Co.,Ltd

2021-1-5 · 3.Magnesium brick refractoriness of more than 2000 ℃, load softening temperature in the beginning between 1520-1600 ℃, high-purity magnesium brick up to 1800 ℃ Features 1.High refractoriness 2.Good alkali resistance slag performance 3.High cold crushing strength. 4.Good resistance to abrasion and corrosion. 5.Good thermal spalling resistance.

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