Blog Posts - Corundum



Open Egyptian Refractory Market with Our Best Sell Product — Silica Ramming Mass

As per invitation of Egyptian client, our sales manager and engineer went to Egypt on 4th December, 2015, and stay there for 2 weeks. Our clients steel plant is located in Giza city, about 1 hour far from Cairo. Out of space limit, our clients are us...

Technical Innovation of Carbon Brick for Blast Furnace Hearths

Possessing with the excellent corrosion resistance and high thermal conductivity which can lead to easily form a protective layer for blast furnace hearth, carbon bricks have been used as refractory material for hearths for more than half century. To...

The reason for surface cracks of refractory bricks after used a period of time

Although the fire brick is good, the structure is relatively stable, but the  refractory  brick used for a period of time, some customers reflect the surface of the refractory brick cracks, which is what causes it? After many years of research and...

Clay bonded castable refractories

Clay bonded castable refractory system combined with clay (i.e. soft clay as binder, its working principle is by clay alkali replacement given construction, high temperature is formed ceramic combination, and generates acicular mullite, interspersed...

Application of epoxy mortar used in blast furnace.

Blast furnace used in treatment of iron mud gun port, through the usual is a water gun mud, but in the steel yield is high, the epoxy mortar are more susceptible to iron slag machine erosion and chemical corrosion, resulting in a blast furnace slag n...

Furnace refractories and kiln car refractory

Furnace refractories  including and kiln wall top, generally divided into three layers, the inner layer is a light cotton insulation, felt, plate, the middle layer is heavy or light insulating brick, outer with red brick or low temperature heat pres...

Furnace refractories and kiln car refractory

Furnace refractories  including and kiln wall top, generally divided into three layers, the inner layer is a light cotton insulation, felt, plate, the middle layer is heavy or light insulating brick, outer with red brick or low temperature heat pres...

Refractory materials commonly used in neutral and alkaline induction furnace

Neutral and alkaline lining is used only for induction furnace capacity of less than 10 tons. The cost is much higher than the acidic lining lining, so must meet the smelting efficiency is very high to the economy. Neutral and alkali furnace refracto...

Yellow Sapphire – The Jyotish Gemstone of Jupiter

Yellow Sapphire The Jyotish Gemstone of Jupiter The gemstone speaking to the positive forces of Jupiter in Vedic Astrology/ Indian... The post Yellow Sapphire – The Jyotish Gemstone of Jupiter appeared first on Pukhraj Stone.
by Pukhraj Stone on Oct 21, 2014

Reason of casting refractory material for high temperature resistance

Casting refractory material, its main characteristic is high early strength, 3-7 days maximum compressive strength can reach more than 30MPa, and the disadvantage is the volume stability of temperature difference, the intensity decrease, the maximum...

Two New Members - New Information Sheets Available

LMHC accepts two new permanent members,updates information sheets IS3 (corundum) and IS5 (emerald)Bangkok, Thailand - March 27, 2013: The Laboratory Manual Harmonisation Committee (LMHC) elevated two prestigious gemmological laboratories -- ...
by The Daily Jewel on Apr 5, 2013


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