Corundum refractories
Corundum products are refractories with the highest alumina content. They are used in zones with the highest temperature and wear and to protect thermocouples.
Dense КС-95 products are made to GOST 24704, lightweight КЛ-1,1 to GOST 5040. КТВП, КПФ, КФ products, МКТ tubes and rods — to manufacturers' specifications.
Grades and types
КС-95, КСП-95
Dense (КС-95) and medium-dense (КСП-95) corundum products. КС-95 to GOST 24704; 95 is the minimum alumina content, %. For zones with the highest temperature, wear and slag attack.
КТВП (КВПТ)
To manufacturer's specifications. Corundum products with titanium dioxide additive for the working layer of high-temperature units. We select the grade by operating conditions and the manufacturer's certificate.
КПФ, КФ
To manufacturer's specifications. Phosphate-bonded corundum products for the working lining layer. Conditions of use as per the manufacturer's certificate; we will select a grade for your unit.
КЛ-1,1, КЛ-1,3
Lightweight corundum products: КЛ-1,1 to GOST 5040, КЛ-1,3 to manufacturer's specifications. The number is the apparent density, g/cm³. They combine the high refractoriness of corundum with low weight and thermal conductivity; used in high-temperature furnaces.
КТ-1,1, КТ-1,3
To manufacturer's specifications. Insulating corundum products for the insulating layer of high-temperature units. The number in the grade (1.1 or 1.3) is the apparent density, g/cm³.
МКТ
To manufacturer's specifications. Corundum tubes for protecting thermocouples in high-temperature furnaces. Selected by outer and inner diameter and length — state the thermocouple type in your request.
Corundum rods
To manufacturer's specifications. Corundum rods for insulating thermocouple electrodes, furnace parts and laboratory equipment. Sizes are confirmed on request.
Can’t find the grade you need? Write to us — we supply other items too.
In brief
| Parameter | Value |
|---|---|
| Standard | КС-95 — GOST 24704, lightweight КЛ — GOST 5040; КТВП, КПФ, КФ, МКТ tubes and rods — manufacturers' specifications |
| Grades | КС-95, КСП-95, КТВП, КПФ, КФ, КЛ, КТ, МКТ |
| Applications | zones with the highest temperature and wear, thermocouple protection |
| Supply | under contract with legal entities, delivery across Kazakhstan |
How to choose a grade
Corundum products have the highest alumina content among aluminosilicate refractories and go into the hottest and most loaded zones. Dense КС-95 and КСП-95 form the working layer, lightweight КЛ and insulating КТ the insulating layer.
МКТ tubes are used to protect thermocouples; tube sizes are matched to the thermocouple.
Frequently asked questions
How does corundum brick differ from mullite-corundum brick?
The alumina content: corundum КС-95 products contain at least 95 % (the number in the grade), mullite-corundum МКС products 72–90 %. Corundum goes into the hottest and most loaded zones.
Which tubes are suitable for thermocouples?
МКТ corundum tubes. State the thermocouple type, outer and inner diameter and length — we will select the tubes.
How can an enterprise order corundum refractories?
Send a request with the grade, quantity and delivery city or attach a specification. We will prepare a commercial offer, sign a contract and deliver the products across Kazakhstan.
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Send a request
Send grades and quantities or a specification via WhatsApp or email — we will prepare an offer. We reply during business hours, Mon–Fri 9:00–18:00.
Write on WhatsApp Send an email +7 (778) 700-26-38
Requests sent outside business hours are processed on the next business day.