UNITED REFRACTORIES CO.
PRODUCT LISTING

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UNITED REFRACTORIES CO. PRODUCT LISTING

Gunning Mixes

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PRODUCT NAME /
CHARACTERISTICS		 MAXIMUM
TEMPERATURE		 MATERIALS
REQUIRED		 CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-BRADE AR-85

A high alumina product, developed for abrasion resistance, with a unique calcium phosphate bond that can be rammed, hand packed or gunned.
°F °C
2500 1370
Lbs/ft³ Kg/m³
175 2804
AI2O3 SiO2 Ca0 P205  
83.1 8.8 2.6 1.7

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PRODUCT NAME /
CHARACTERISTICS		 MAXIMUM
TEMPERATURE		 MATERIALS
REQUIRED		 CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-GUN RF-50RG

Rapid-fire, abrasion resistant, mullite based gunning refractory
°F °C
3000 1650
Lbs/ft³ Kg/m³
133 2130
AI2O3 SiO2 Ca0 Other  
51.5 43.4 2.8 2.3

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PRODUCT NAME /
CHARACTERISTICS		 MAXIMUM
TEMPERATURE		 MATERIALS
REQUIRED		 CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-GUN RF-60RG

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
3100 1705
Lbs/ft³ Kg/m³
137 2195
AI2O3 SiO2 Ca0 Other  
58.9 35.6 2.8 2.3

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PRODUCT NAME /
CHARACTERISTICS		 MAXIMUM
TEMPERATURE		 MATERIALS
REQUIRED		 CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-GUN RF-60Z RG

Zirconia containing, low cement gunning refractory, abrasion and alkali resistant.
°F °C
3100 1705
Lbs/ft³ Kg/m³
143 2291
AI2O3 SiO2 Ca0 ZrO2  
58.0 31.9 2.8 4.6

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PRODUCT NAME /
CHARACTERISTICS		 MAXIMUM
TEMPERATURE		 MATERIALS
REQUIRED		 CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-GUN RF-70RG

Rapid-fire, abrasion resistant, low cement gunning refractory
°F °C
3200 1760
Lbs/ft³ Kg/m³
150 2400
AI2O3 SiO2 Ca0 Other  
69.7 24.1 2.9 3.3

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PRODUCT NAME /
CHARACTERISTICS		 MAXIMUM
TEMPERATURE		 MATERIALS
REQUIRED		 CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-GUN B

Carbon bonded gunning refractory.
°F °C
3000 1650
Lbs/ft³ Kg/m³
90 1440
AI2O3 SiO2 Carbon Other  
14.6 28.4 52.0 5.0

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PRODUCT NAME /
CHARACTERISTICS		 MAXIMUM
TEMPERATURE		 MATERIALS
REQUIRED		 CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-GUN SC-20

High silicon carbide, graphitic gunning refractory
°F °C
3100 1700
Lbs/ft³ Kg/m³
125 2000
AI2O3 SiO2 SiC & Carbon Other  
44.9 17.6 33.4 4.1

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PRODUCT NAME /
CHARACTERISTICS		 MAXIMUM
TEMPERATURE		 MATERIALS
REQUIRED		 CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-GUN RF-65RGA

Rapid-fire, abrasion resistant, mullite based gunning refractory, non-wetting to aluminum
°F °C
3100 1700
Lbs/ft³ Kg/m³
143 2290
AI2O3 SiO2 Ca0 Other  
63.1 28.1 2.8 6.0

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PRODUCT NAME /
CHARACTERISTICS		 MAXIMUM
TEMPERATURE		 MATERIALS
REQUIRED		 CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-GUN RF-65RG

Rapid-fire, abrasion resistant, mullite based gunning refractory
°F °C
3150 1730
Lbs/ft³ Kg/m³
144 2310
AI2O3 SiO2 Ca0 Other  
64.9 29.3 2.8 3.0

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PRODUCT NAME /
CHARACTERISTICS		 MAXIMUM
TEMPERATURE		 MATERIALS
REQUIRED		 CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-GUN LC-80SC

Very high silicon carbide gunning refractory, abrasion and thermal shock resistance, high heat transfer
°F °C
3000 1650
Lbs/ft³ Kg/m³
145 2320
AI2O3 SiO2 Ca0 SiC  
12.0 5.0 4.5 77.7

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PRODUCT NAME /
CHARACTERISTICS		 MAXIMUM
TEMPERATURE		 MATERIALS
REQUIRED		 CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-GUN LC-60SC

High strength, high silicon carbide, low cement gunning refractory
°F °C
3050 1680
Lbs/ft³ Kg/m³
160 2560
AI2O3 SiO2 Ca0 SiC  
24.0 12.3 1.5 61.1

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PRODUCT NAME /
CHARACTERISTICS		 MAXIMUM
TEMPERATURE		 MATERIALS
REQUIRED		 CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-GUN LC-453 SC

High silicon carbide, ultra-low cement gunning refractory
°F °C
3100 1700
Lbs/ft³ Kg/m³
170 2720
AI2O3 SiO2 Ca0 SiC & Carbon  
42.8 5.6 0.8 48.8

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PRODUCT NAME /
CHARACTERISTICS		 MAXIMUM
TEMPERATURE		 MATERIALS
REQUIRED		 CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-GUN LC-452 SC

High silicon carbide, low cement gunning refractory
°F °C
3100 1700
Lbs/ft³ Kg/m³
168 2690
AI2O3 SiO2 Ca0 SiC & Carbon  
41.8 5.5 1.5 48.3

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PRODUCT NAME /
CHARACTERISTICS		 MAXIMUM
TEMPERATURE		 MATERIALS
REQUIRED		 CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-GUN LC-451 SC

High silicon carbide, low cement gunning refractory
°F °C
3100 1700
Lbs/ft³ Kg/m³
165 2640
AI2O3 SiO2 Ca0 SiC & Carbon  
38.8 4.0 1.6 53.9

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PRODUCT NAME /
CHARACTERISTICS		 MAXIMUM
TEMPERATURE		 MATERIALS
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UNI-GUN IC-103

Bauxite based, heat set gunning refractory
°F °C
2950 1620
Lbs/ft³ Kg/m³
185 2960
AI2O3 SiO2 TiO2 Other  
78.7 16.7 2.8 1.8

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PRODUCT NAME /
CHARACTERISTICS		 MAXIMUM
TEMPERATURE		 MATERIALS
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BY PERCENTAGE

UNI-GUN FS-AR

High strength, low cement, fused silica gunning refractory, abrasion and thermal shock resistant
°F °C
2300 1260
Lbs/ft³ Kg/m³
121 1940
AI2O3 SiO2 Ca0 Other  
25.7 66.2 7.5 0.6

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PRODUCT NAME /
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TEMPERATURE		 MATERIALS
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UNI-GUN FS-6AR

High strength, low cement, fused silica gunning refractory, abrasion and thermal shock resistant
°F °C
2300 1260
Lbs/ft³ Kg/m³
135 2160
AI2O3 SiO2 Ca0 Other  
27.8 68.8 2.2 1.2

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PRODUCT NAME /
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TEMPERATURE		 MATERIALS
REQUIRED		 CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-GUN C

Carbon based gunning refractory
°F °C
2900 1590
Lbs/ft³ Kg/m³
92 1470
AI2O3 SiO2 Carbon Other  
16.4 27.3 52.2 4.1

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PRODUCT NAME /
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TEMPERATURE		 MATERIALS
REQUIRED		 CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-GUN 90HG

Fused alumina, low cement gunning refractory for hot or cold applications
°F °C
3250 1790
Lbs/ft³ Kg/m³
158 2530
AI2O3 SiO2 Ca0 Other  
90.0 7.9 1.5 0.6

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PRODUCT NAME /
CHARACTERISTICS		 MAXIMUM
TEMPERATURE		 MATERIALS
REQUIRED		 CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-GUN 80HG

Bauxite based, low cement gunning refractory for hot or cold applications
°F °C
3200 1760
Lbs/ft³ Kg/m³
147 2360
AI2O3 SiO2 Ca0 Other  
80.2 14.9 1.6 3.3

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PRODUCT NAME /
CHARACTERISTICS		 MAXIMUM
TEMPERATURE		 MATERIALS
REQUIRED		 CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-GUN 80FS

High alumina, hydraulic setting gunning refractory, for hot or cold gunning
°F °C
3100 1700
Lbs/ft³ Kg/m³
175 2400
AI2O3 SiO2 Ca0 Other  
81.2 12.9 2.7 3.2

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PRODUCT NAME /
CHARACTERISTICS		 MAXIMUM
TEMPERATURE		 MATERIALS
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BY PERCENTAGE

UNI-GUN 70A

High alumina, gunning refractory, non-wetting to aluminum
°F °C
3100 1700
Lbs/ft³ Kg/m³
153 2450
AI2O3 SiO2 Ca0 Other  
69.8 22.4 3.8 4.0

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PRODUCT NAME /
CHARACTERISTICS		 MAXIMUM
TEMPERATURE		 MATERIALS
REQUIRED		 CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-GUN RF-70HGA

A high alumina, low-cement gunning refractory designed for hot or cold applications. It produces a tough monolithic structure with minimal expansion upon heating. This product has been formulated to be non-wetting to molten aluminum.
°F °C
2600 1427
Lbs/ft³ Kg/m³
143 2291
AI2O3 SiO2 Ca0 Other  
73.0 18.3 1.6 7.1

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PRODUCT NAME /
CHARACTERISTICS		 MAXIMUM
TEMPERATURE		 MATERIALS
REQUIRED		 CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-GUN 70HG

High alumina, low cement gunning refractory, developed to be cast or gunned for hot or cold applications
°F °C
3150 1730
Lbs/ft³ Kg/m³
143 2290
AI2O3 SiO2 Ca0 Other  
76.0 19.1 1.6 3.3

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PRODUCT NAME /
CHARACTERISTICS		 MAXIMUM
TEMPERATURE		 MATERIALS
REQUIRED		 CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-GUN 65A

High alumina gunning refractory, for hot or cold applications, non-wetting to aluminum
°F °C
3100 1700
Lbs/ft³ Kg/m³
163 2610
AI2O3 SiO2 Ca0 Other  
63.2 27.2 3.7 5.9

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PRODUCT NAME /
CHARACTERISTICS		 MAXIMUM
TEMPERATURE		 MATERIALS
REQUIRED		 CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-GUN RF-60HGA

A high alumina, low-cement gunning refractory designed for hot or cold applications. It produces a tough monolithic structure with minimal expansion upon heating. This product has been formulated to be non-wetting to molten aluminum.
°F °C
2600 1427
Lbs/ft³ Kg/m³
137 2195
AI2O3 SiO2 Ca0 Other  
59.5 35.9 1.6 3.0

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PRODUCT NAME /
CHARACTERISTICS		 MAXIMUM
TEMPERATURE		 MATERIALS
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BY PERCENTAGE

UNI-GUN 60HG

High alumina, low cement gunning mix that may be cast or gunned for hot or cold applications.
°F °C
3100 1700
Lbs/ft³ Kg/m³
137 2200
AI2O3 SiO2 Ca0 Other  
59.5 35.9 1.7 3.0

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PRODUCT NAME /
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TEMPERATURE		 MATERIALS
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UNI-GUN 471SC

Cement-free, fortified high silicon carbide with graphite gunning refractory
°F °C
3100 1700
Lbs/ft³ Kg/m³
161 2580
AI2O3 SiO2 SiC & Carbon Other  
45.8 5.3 40.8 8.1

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PRODUCT NAME /
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TEMPERATURE		 MATERIALS
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UNI-GUN 28AR RD

High strength , alumina based, cement bonded, reduced dust gunning refractory, abrasion resistant
°F °C
2800 1540
Lbs/ft³ Kg/m³
138 2210
AI2O3 SiO2 Ca0 Other  
49.2 41.2 6.8 2.8

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PRODUCT NAME /
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TEMPERATURE		 MATERIALS
REQUIRED		 CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-GUN 28AR

High strength, alumina based, cement bonded gunning refractory, abrasion resistant
°F °C
2800 1540
Lbs/ft³ Kg/m³
137 2200
AI2O3 SiO2 Ca0 Other  
49.2 41.3 6.8 2.7

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PRODUCT NAME /
CHARACTERISTICS		 MAXIMUM
TEMPERATURE		 MATERIALS
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BY PERCENTAGE

UNI-GUN 2800

High strength, general purpose gunning refractory
°F °C
2800 1540
Lbs/ft³ Kg/m³
130 2080
AI2O3 SiO2 Ca0 Other  
48.9 44.6 3.4 3.0

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UNI-GUN 26AR

High strength, low iron, cement bonded gunning refractory, abrasion resistant
°F °C
2600 1430
Lbs/ft³ Kg/m³
133 2130
AI2O3 SiO2 Ca0 Other  
46.6 43.2 6.2 4.0

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