The reverberatory furnace is the most commonly used piece of lead-smelting equipment in secondary lead-processing applications. These furnaces experience highly aggressive slags comprised of soda ash, borax, lead oxide, and silica additions. To combat these aggressive slags, slag lines are commonly zoned with HarbisonWalker International’s fused-grain magnesite-chrome NARMAG® FG or SUPER NARMAG® FG bricks. Upper sidewalls are typically lined with direct-bonded chrome-magnesite products, such as HWI’s NARMAG® HNF 27 and NARMAG® HNF 31.

Products
Lead

Product SDS
‘SAIRSET A wet, air-setting, fireclay mortar
‘SAIRSET 3000 A high alumina air-setting mortar
60DB® A 60% magnesia, burned brick English
ALADIN® 80 An 80% alumina brick
AUREX® 30 SR An alumina-chrome brick with 30% chrome, designed for thermal shock resistance English
CLIPPER® DP A super duty fireclay brick
GREENKLEEN®-60 PLUS A 60% alumina, andalusite containing low cement castable
GREENTHERM 23 LI A 2300°F rated insulating firebrick
GREENTHERM 26 LI A 2600°F rated insulating firebrick
GREENTHERM 28 LI A 2800°F rated insulating firebrick
HP-CAST ® ULTRA C10 A high purity alumina, 10% chrome containing, ultra-low cement castable English
KALA® A 50% alumina brick
KALA® HPC CHECKERS A 50% alumina brick
KRUZITE®-70 A 70% alumina brick
KX-99® A high fired, super duty fireclay brick
KX-99®-BF A high fired, super duty fireclay brick
NARMAG® 50 DBRG A magnesia chrome burned brick English
NARMAG® 60 CU A magnesia chrome burned brick
NARMAG® 60 DB A magnesia chrome burned brick English
NARMAG® 6260 A magnesia chrome burned brick English
NARMAG® 80 DB A magnesia chrome burned brick English
NARMAG® 95B A 95% magnesia, burned brick English
NARMAG® FG A magnesia chrome burned brick English
NARMAG® FG CASTABLE An ultra-low cement, magnesia and chrome containing castable
NARMAG® FG FINE MORTAR DRY A magnesia chrome mortar English
NARMAG® FG GUN A magnesia chrome gunning mix English
NARMAG® FG RAM MIX A magnesia chrome ram mix English
NARMAG® FG-HS CASTABLE A magnesia chrome castable
NARMAG® HNF 27 A burned, magnesia chrome brick English
NARMAG® HNF 31 A burned, magnesia chrome brick English
PLASTECH® RUBY® An alumina-chromium, phosphate bonded refractory plastic
PLASTECH® RUBY® 20 A 20% chrome, phosphate bonded refractory plastic English
RUBY® An alumina-chrome brick with 10% chrome
RUBY® BOND An air-setting alumina chrome mortar English
RUBY® MORTAR An alumina-chrome, phosphate bonded mortar English
RUBY® RAMMING MIX A phosphate-bonded, alumina-chromium ram mix
RUBY® SR An alumina-chrome brick with 10% chrome, designed for thermal shock resistance
SHAMROCK® 391-TR MORTAR An alumina-chrome mortar English
SHAMROCK® 392 DRY MORTAR A dry, phosphate bonded, alumina-chrome mortar
SHAMROCK® 392 MORTAR A chrome alumina mortar
SHAMROCK® 394 DRY MORTAR A dry, heat-setting, alumina-chrome mortar
SHAMROCK® 493 CASTABLE A low-moisture, chromia-alumina castable
SHAMROCK® 885 PLASTIC Chrome-Alumina Plastic
SUPER NARMAG® 142 A 60% magnesia, 20% chrome burned brick
SUPER NARMAG® 145 A 60% magnesia, 20% chrome burned brick English
SUPER NARMAG® 148 CU A magnesia chrome burned brick designed for the Copper Industry English
SUPER NARMAG® FG A magnesia chrome burned brick English
THERMOLITH® A dry, air-setting, high-temperature, bonding mortar with chrome-ore base

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