UNITED REFRACTORIES CO.
PRODUCT LISTING

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UNITED REFRACTORIES CO. PRODUCT LISTING

Castables

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PRODUCT NAME /
CHARACTERISTICS		 MAXIMUM
TEMPERATURE		 MATERIALS
REQUIRED		 CHEMICAL ANALYSIS
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UNI-TUFF RF-70A

is a high alumina, low cement castable reinforced with a high loading of stainless-steel fibers. It has been formulated/developed for applications requiring high hot strength, fracture toughness, thermal shock resistance and resistance to abrasion. A non-wetting additive has been included in this formulation.

°F °C
2600 1425
Lbs/ft³ Kg/m³
175 2804
AI2O3 SiO2 Ca0 Other  
69.9 22 2.1 6.0

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UNI-2TUFF RF-70

A 70 percent Alumina castable that contains a high content SS needles and formulated with a special alloy/ geometry combination that achieves the highest level of Thermal shock resistance and Oxidation Resistance to 2400F. Applications for this product are Jambs, Lintels and Sills. This product is only available as a precast shape
°F °C
2600 1425
Lbs/ft³ Kg/m³
178 2852
AI2O3 SiO2 Ca0 Other  
72.3 22.6 2.1 3.0

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UNI-TUFF RF-70

A 70 percent Alumina castable that contains a high content SS fiber addition. This product has good Abrasion Resistance and the highest level of Thermal Shock resistance and contains SS fibers that resist oxidation up to 2200F. Applications for this product is Jambs, Lintels and Sills. This product is only available as a precast shape.

°F °C
2600 1425
Lbs/ft³ Kg/m³
178 2852
AI2O3 SiO2 Ca0 Other  
72.3 22.6 2.1 3.0

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UNI-CAST RF 80 HSA-C

A high Alumina Low Cement castable. This product contains coarse grain aggregate and is formulation for applications that require High Strength and Outstanding Thermal Shock resistance.

°F °C
2600 1425
Lbs/ft³ Kg/m³
186 2980
AI2O3 SiO2 Ca0 Other  
77.9 12.3 2.1 7.7

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UNI-GUN RF-65 A

is a high alumina, low-cement, gunning mix. This product has been developed with rapid-fire technology, for applications requiring abrasion resistance and formulated to be easily gunned with minimal rebound.
°F °C
3200 1760
Lbs/ft³ Kg/m³
149 2387
AI2O3 SiO2 Ca0 Other  
66.5 21.3 2.9 9.3

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PRODUCT NAME /
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UNI-CAST 400

High strength, high alumina workhorse containing SiC. Excellent against corrosive slags, thermal shock, and mechanical abuse.
°F °C
3150 1730
Lbs/ft³ Kg/m³
192 3076
AI2O3 SiO2 Ca0 SiC & Carbon  
72.7 5.0 0.7 19.1

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UNI-CAST LW-35G (cast)

A light weight insulating castable designed for casting or gunning applications for back up insulation in roofs. .
°F °C
2000 1095
Lbs/ft³ Kg/m³
36 577
AI2O3 SiO2 Ca0 Other  
39.5 26.1 19.8 14.6

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UNI-CAST LW-60G

A light weight insulating castable designed for casting or gunning applications.
°F °C
2300 1260
Lbs/ft³ Kg/m³
62 993
AI2O3 SiO2 Ca0 Other  
30.3 49.2 12.1 8.4

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PRODUCT NAME /
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UNI-CAST LW-80G

Lightweight insulating castable designed for casting or gunning applications.
°F °C
2500 1370
Lbs/ft³ Kg/m³
85 1360
AI2O3 SiO2 Ca0 Other  
44.1 39.8 11.6 4.5

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PRODUCT NAME /
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UNI-CAST MLX-81

High alumina, high strength, low cement castable impervious to gas, slag and metal penetration.
°F °C
3100 1700
Lbs/ft³ Kg/m³
172 2760
AI2O3 SiO2 TiO2 Other  
79.4 16.2 1.8 2.6

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UNI-CAST MLX-70

High strength, mullite based, low cement castable impervious to gas, slag and metal penetration.
°F °C
3150 1730
Lbs/ft³ Kg/m³
163 2610
AI2O3 SiO2 Ca0 Other  
68.4 27.5 1.7 2.4

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UNI-CAST W5C

High alumina, silicon carbide containing, low cement castable, high hot strength, slag and abrasion resistant
°F °C
2900 1590
Lbs/ft³ Kg/m³
170 2720
AI2O3 SiO2 Ca0 SiC  
64.2 18.2 1.3 13.9

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UNI-CAST ML-77A

High strength, mullite based, low cement castable, Non-wetting to aluminum, impervious to gas, slag and metal penetration
°F °C
3300 1820
Lbs/ft³ Kg/m³
158 2530
AI2O3 SiO2 Ca0 Other  
67.5 25.0 1.4 6.1

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PRODUCT NAME /
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UNI-CAST ML-77

High strength, mullite based, low cement castable, impervious to gas, slag and metal penetration
°F °C
3100 1700
Lbs/ft³ Kg/m³
160 2560
AI2O3 SiO2 Ca0 Other  
69.6 25.8 1.4 3.2

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UNI-CAST ML-69CA

Coarse grained, high strength, mullite based, low cement castable, non-wetting to aluminum slag, abrasion and thermal cycling resistant
°F °C
3100 1700
Lbs/ft³ Kg/m³
158 2530
AI2O3 SiO2 Ca0 Other  
61.9 31.3 1.2 5.6

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UNI-CAST ML-69C

Coarse grained, high strength, mullite based, low cement castable, slag, abrasion and thermal cycling resistant
°F °C
3050 1680
Lbs/ft³ Kg/m³
158 2530
AI2O3 SiO2 Ca0 Other  
63.7 31.8 1.3 3.2

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UNI-CAST LC-8SC

Thermal shock resistant, high alumina, low cement, silicon carbide containing castable refractory
°F °C
3200 1760
Lbs/ft³ Kg/m³
179 2870
AI2O3 SiO2 Ca0 SiC  
72.6 13.6 1.5 8.9

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UNI-CAST LC-85

High alumina, low cement castable developed to be vibra-cast
°F °C
3300 1820
Lbs/ft³ Kg/m³
178 2850
AI2O3 SiO2 Ca0 Other  
84.3 10.1 1.5 4.1

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PRODUCT NAME /
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UNI-CAST RF-80SCA

A very high silicon carbide, low cement castable with special additives to make it non-wetting for direct metal contact areas like Hot walls, Lower walls, and Ramps. This material has good thermal shock resistance, very high abrasion resistance and very high heat transfer.
°F °C
3100 1705
Lbs/ft³ Kg/m³
165 2643
AI2O3 SiO2 Ca0 SiC  
12.7 5.9 1.4 76.3

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PRODUCT NAME /
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UNI-CAST LC-80HSA

High alumina, low cement castable, Non-wetting to aluminum with high hot strength
°F °C
3200 1760
Lbs/ft³ Kg/m³
183 2930
AI2O3 SiO2 Ca0 Other  
79.9 12.0 2.1 6.0

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PRODUCT NAME /
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UNI-CAST LC-70C

Slag, abrasion and thermal cycling resistant,.coarse-grained, high alumina, low cement castable
°F °C
3200 1760
Lbs/ft³ Kg/m³
165 2640
AI2O3 SiO2 Ca0 Other  
71.4 23.9 1.3 3.4

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PRODUCT NAME /
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UNI-CAST LC-65SR

High alumina, low cement castable with high hot strength and thermal shock resistance
°F °C
3100 1700
Lbs/ft³ Kg/m³
155 2480
AI2O3 SiO2 Ca0 Other  
64.0 31.7 1.5 2.8

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PRODUCT NAME /
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UNI-CAST LC-65PA

High alumina, low cement castable, non-wetting to aluminum developed to be vibra-cast or pumped
°F °C
3100 1700
Lbs/ft³ Kg/m³
165 2640
AI2O3 SiO2 Ca0 Other  
63.1 30.0 1.3 5.6

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PRODUCT NAME /
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UNI-CAST LC-65P

High alumina, low cement castable with hot strength and abraision resistance for vibra-casting or pumping
°F °C
3100 1700
Lbs/ft³ Kg/m³
160 2560
AI2O3 SiO2 Ca0 Other  
65.5 30.6 1.1 2.8

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UNI-CAST LC-60SCA

High strength, silicon carbide containing castable, non wetting to aluminum, excellent abrasion and thermal shock resistance and high thermal conductivity
°F °C
2900 1590
Lbs/ft³ Kg/m³
163 2610
AI2O3 SiO2 Ca0 SiC  
24.0 12.3 1.5 61.1

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PRODUCT NAME /
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UNI-CAST LC-60

Thermal shock resistant, high alumina, low cement castable refractory
°F °C
3100 1700
Lbs/ft³ Kg/m³
160 2560
AI2O3 SiO2 Ca0 Other  
62.7 33.1 1.6 2.6

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UNI-CAST LC-50

Abrasion resistant, high alumina, low cement castable refractory
°F °C
3000 1650
Lbs/ft³ Kg/m³
147 2360
AI2O3 SiO2 Ca0 Other  
54.6 41.3 1.5 2.6

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UNI-CAST LC-45P

Abraision resistant high alumina, low cement castable, formulated for pumping
°F °C
2900 1590
Lbs/ft³ Kg/m³
147 2360
AI2O3 SiO2 Ca0 Other  
50.2 44.7 2.4 2.7

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PRODUCT NAME /
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UNI-CAST IC-7

High alumina, low cement, self leveling, mullite based castable with high hot strength and slag resistance.
°F °C
3200 1760
Lbs/ft³ Kg/m³
165 2640
AI2O3 SiO2 Ca0 Other  
68.4 28.1 1.1 2.4

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UNI-CAST IC-5

Mullite based, low cement, silicon carbide containing castable, slag and thermal shock resistance
°F °C
2900 1590
Lbs/ft³ Kg/m³
152 2440
AI2O3 SiO2 Ca0 SiC  
50.2 31.9 1.3 13.9

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UNI-CAST FSA

Low cement, fused silica castable with excellent thermal shock resistance, non-wetting to aluminum
°F °C
2000 1090
Lbs/ft³ Kg/m³
120 1920
AI2O3 SiO2 Ca0 Other  
3.5 91.7 1.5 3.3

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UNI-CAST RF-FS-6A

A fused silica, low-cement, castable refractory. This product has been developed for applications requiring high strength and excellent thermal shock resistance. It has also been formulated to be non-wetting to aluminum
°F °C
2300 1260
Lbs/ft³ Kg/m³
135 2163
AI2O3 SiO2 Ca0 Other  
26.2 67.8 1.9 4.1

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UNI-CAST FS-6

Low cement,fused silicacastable with high strength and excellent thermal shock resistance
°F °C
2300 1260
Lbs/ft³ Kg/m³
135 2160
AI2O3 SiO2 Ca0 Other  
27.1 70.1 1.9 .9

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UNI-CAST 99

High alumina, high purity castable with exceptional strength, volume stability and erosion resistance
°F °C
3400 1870
Lbs/ft³ Kg/m³
175 2800
AI2O3 SiO2 Ca0 Other  
95.4 <0.1 4.3 0.2

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UNI-CAST 600

High strength, high alumina, low iron castable refractory
°F °C
3000 1650
Lbs/ft³ Kg/m³
133 2130
AI2O3 SiO2 Ca0 Other  
51.1 41.2 4.9 2.8

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UNI-CAST 3100

High strength, cement bonded castable refractory
°F °C
3100 1700
Lbs/ft³ Kg/m³
135 2160
AI2O3 SiO2 Ca0 Other  
57.9 35.1 4.4 2.6

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UNI-CAST 3000

high strength castable with good thermal shock resistance
°F °C
3000 1650
Lbs/ft³ Kg/m³
130 2080
AI2O3 SiO2 Ca0 Other  
51.6 40.9 4.6 2.9

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UNI-CAST 28 LW-HS

high strength, abrasion resistant, medium weight insulating castable
°F °C
2800 1540
Lbs/ft³ Kg/m³
115 1840
AI2O3 SiO2 Ca0 Other  
46.2 46.4 4.5 2.9

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UNI-CAST 2800

high strength, abrasion and thermal shock resistant castable refractory
°F °C
2800 1540
Lbs/ft³ Kg/m³
138 2210
AI2O3 SiO2 Ca0 Other  
48.5 41.2 6.5 3.8

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UNI-CAST 2600A

A high strength castable for general use and sub hearths where abrasion resistance and thermal shock resistance are required. This product has been formulated to be non-wetting to aluminum.
°F °C
2600 1425
Lbs/ft³ Kg/m³
128 2131
AI2O3 SiO2 Ca0 Other  
44.9 37.3 10.3 7.5

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UNI-CAST 2600

high strength castable refractory with good thermal shock resistance
°F °C
2600 1430
Lbs/ft³ Kg/m³
133 2130
AI2O3 SiO2 Ca0 Other  
47.1 37.9 10.7 4.3

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UNI-CAST 2400CA

High strength coarse grained castable with good thermal shock resistance, non-wetting to aluminum
°F °C
2450 1340
Lbs/ft³ Kg/m³
128 2050
AI2O3 SiO2 Ca0 Other  
41.3 42.3 9.3 7.1

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UNI-CAST 2400C

high strength coarse grained castable with good thermal shock resistance
°F °C
2450 1340
Lbs/ft³ Kg/m³
128 2050
AI2O3 SiO2 Ca0 Other  
42.7 43.7 9.6 4.0

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UNI-CAST 18G

Volume stable, high hot strength, silicon carbide, low cement castable
°F °C
3100 1700
Lbs/ft³ Kg/m³
165 3080
AI2O3 SiO2 Ca0 Other  
66.8 29.4 1.0 2.8

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