Shaped / Bricks

Each family is produced under its own KONREF brand. Representative grades are shown below; full per-grade datasheets are in the downloadable catalogues.

Magnesia-Carbon Bricks (MgO-C)

KOMACAR

Resin-bonded magnesia-carbon bricks combining high-purity sintered magnesia with graphite for outstanding slag resistance and thermal-shock performance.

Typical: 5–15% carbon · 96–98% MgO
Grades: KOMACAR 5 / 8 / 10 / 12 / 15 — in GR2, GRD5, GRD10, GRE5, GRE10 and GRDE5 variants
Used in: Electric arc furnace (EAF) walls and hot spots, BOF converters, steel ladle slag line and metal zone.

Alumina-Magnesia-Carbon Bricks (AMC)

KOMALCAR

Resin-bonded alumina-magnesia-carbon bricks engineered for in-situ spinel formation and volume stability under cyclic thermal load.

Typical: 17–90% Al₂O₃ · 7–14% MgO
Grades: KOMALCAR 5 / 6 / 7 / 8 / 9 GRI
Used in: Steel ladle bottom and wall working lining, tundish impact pads.

Alumina-SiC-Carbon Bricks (ASC)

KONASC / KONHASC

Resin-bonded alumina-silicon carbide-carbon bricks with high abrasion and slag resistance for the harshest hot-metal handling.

Typical: 75–78% Al₂O₃ · 8% SiC · 11% C
Grades: KONASC B12, KONASC B12K, KONHASC B12M (ready-to-use mortar)
Used in: Torpedo ladle working lining, hot-metal transfer, blast-furnace troughs and runners.

Fired Magnesia Bricks

P-series

Directly fired magnesia bricks from high-purity sintered magnesia, for applications demanding high refractoriness and basic-slag resistance.

Typical: 90–98% MgO
Grades: P 002 D, P 001 YK, P 002, P 002 Y, P 002 YS, P 002 YF, P 002 YFS
Used in: Cement and lime kilns, steel secondary metallurgy, checker chambers.

Magnesia-Chrome & Chrome-Magnesia Bricks

P-series (Cr)

Fired magnesia-chrome and chrome-magnesia bricks — direct-bonded and fused-grain grades for severe thermomechanical and corrosion conditions.

Typical: 22–86% MgO · 5–37% Cr₂O₃
Grades: P 151 / 152 / 201 / 202 / 351 / 352 / 451 / 452 (magnesia-chrome) · P 602 / 752 / 901 (chrome-magnesia)
Used in: Non-ferrous smelting, glass regenerators, cement kilns, RH/AOD degassers.

Steel-Encased & Chemically Bonded Magnesia / Magnesia-Chrome

K/S-series

Chemically bonded, steel-encased magnesite and magnesia-chrome bricks that knit together in service to form a stable monolithic lining.

Typical: 54–95% MgO
Grades: K/S 001 YK, K/S 002 Y, K/S 151–452 series
Used in: BOF converter linings, EAF, non-ferrous furnaces.

Magnesia-Spinel Bricks

KONSP

Fired magnesia-spinel bricks based on seawater magnesia, fused magnesia and spinel — chrome-free, for clean operation and high flexibility.

Typical: 85–92% MgO · chrome-free
Grades: KONSP 82 / 85 / 85S / 85F / 87 / 90 S7 / 90 RN AF / 90 F7 / 90 S2 / 90 R1 / 92 Z1
Used in: Cement rotary kiln burning zone and transition zones.

Magnesia Bricks (U-Concept)

KONMAG

Fired magnesia-spinel "U-Concept" bricks for the transition zones of modern cement kilns, balancing coating ability and thermal-shock resistance.

Typical: 77–87% MgO
Grades: KONMAG 85 UF / 85 U1 / 85 U2 / 85 UE · KONMAG 77 CR8 / 80 CR6H / 75 CR9G (magnesia-chrome)
Used in: Cement kiln upper and lower transition zones.

Alumina, High-Alumina, Fireclay, Andalusite, SiC & Insulating Bricks

KON AL / KONAL

The full alumina-silicate brick range — from fireclay through high-alumina, andalusite, silicon-carbide-bearing, chrome-corundum-zircon and insulating grades.

Typical: 15–95% Al₂O₃
Grades: KON AL 30P–95 · KON AL 60A/65A/70A (andalusite) · KONAL SİC / SB KCZ / AKCZ · KON KIZEL A/B (insulating)
Used in: Cement kiln inlet/outlet, calciner, lime kilns, ladle permanent lining, general high-temperature service.

Pitch-Bonded & Pitch-Impregnated Magnesia Bricks

Z-series

Pitch-bonded and pitch-impregnated magnesia bricks for high-wear basic applications requiring low porosity and strong slag resistance.

Typical: 95–98.5% MgO
Grades: Z 002 Y, P 002 YI, P 002 YSI, 3 GR DE 5 I
Used in: Converter and ladle high-wear zones.