UNITED REFRACTORIES CO.
PRODUCT LISTING

Use the drop-down menu(s) below to filter our extensive monolithic and specialty refractory products for the aluminum, iron/steel/non ferrous metals, cement/lime, petrochemical and power generation industries. Please don’t hesitate to contact us if you need additional information.

Vibratables - Dry/Wet

Click the request info button next to the product(s) you're interested in learning more about. A URC Representative will contact you in a timely manner with additional details.

PRODUCT NAME /
CHARACTERISTICS

MAXIMUM
TEMPERATURE

MATERIALS
REQUIRED

CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-RAM VR-611A

Mullite based dry-vibratable refractory used for coreless melting of gray and ductile iron.

°F	°C
3100	1705

Lbs/ft³	Kg/m³
170	2723

AI₂O₃	SiO₂	TiO₂	Other
77.1	19.3	1.4	0.9

PRODUCT NAME /
CHARACTERISTICS

MAXIMUM
TEMPERATURE

MATERIALS
REQUIRED

CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-RAM VR-796A

High strength, fused alumina base, spinel bonded dry vibratable refractory for coreless steel melting applications.

°F	°C
3300	1820

Lbs/ft³	Kg/m³
195	3120

AI₂O₃	MGO	Cr₂O₃	Other
85.0	10.7	2.3	2.0

PRODUCT NAME /
CHARACTERISTICS

MAXIMUM
TEMPERATURE

MATERIALS
REQUIRED

CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-RAM VR-797A TOP CAP

Spinel bonded dry vibratable, high alumina top cap.

°F	°C
3300	1820

Lbs/ft³	Kg/m³
196	3140

AI₂O₃	SiO₂	MGO	Other
82.6	1.5	11.8	4.1

PRODUCT NAME /
CHARACTERISTICS

MAXIMUM
TEMPERATURE

MATERIALS
REQUIRED

CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-RAM VR-301A

Fused alumina based, spinel bonded dry vibratable inductor refractory for gray/ductile iron applications

°F	°C
3300	1820

Lbs/ft³	Kg/m³
190	3040

AI₂O₃	SiO₂	MGO	Other
91.7	1.0	5.2	2.1

PRODUCT NAME /
CHARACTERISTICS

MAXIMUM
TEMPERATURE

MATERIALS
REQUIRED

CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-RAM VR-300A

Fused alumina based, spinel bonded dry vibratable inductor refractory for gray/ductile iron applications

°F	°C
3300	1820

Lbs/ft³	Kg/m³
190	3040

AI₂O₃	SiO₂	MGO	Other
91.1	1.0	5.2	2.7

PRODUCT NAME /
CHARACTERISTICS

MAXIMUM
TEMPERATURE

MATERIALS
REQUIRED

CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-RAM V-75

Phosphate bonded, wet vibratable refractory

°F	°C
3100	1700

Lbs/ft³	Kg/m³
163	2610

AI₂O₃	SiO₂	P₂0₅	Other
67.8	26.0	3.0	3.2

PRODUCT NAME /
CHARACTERISTICS

MAXIMUM
TEMPERATURE

MATERIALS
REQUIRED

CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-RAM V-7

Phosphate bonded, wet vibratable refractory

°F	°C
3100	1700

Lbs/ft³	Kg/m³
167	2680

AI₂O₃	SiO₂	P₂0₅	Other
67.8	25.6	3.0	3.6

PRODUCT NAME /
CHARACTERISTICS

MAXIMUM
TEMPERATURE

MATERIALS
REQUIRED

CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-SIL FF30 TOP CAP

Blend of natural and fused silica dry vibratable refractory for iron melting coreless applications

°F	°C
3000	1650

Lbs/ft³	Kg/m³
130	2080

AI₂O₃	SiO₂	Fe₂O₃	Other
0.7	98.0	0.08	1.22

PRODUCT NAME /
CHARACTERISTICS

MAXIMUM
TEMPERATURE

MATERIALS
REQUIRED

CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-SIL FF30

Blend of natural and fused silica dry vibratable refractory for iron melting coreless applications

°F	°C
3100	1700

Lbs/ft³	Kg/m³
130	2080

AI₂O₃	SiO₂	Fe₂O₃	Other
0.7	98.0	0.08	1.22

PRODUCT NAME /
CHARACTERISTICS

MAXIMUM
TEMPERATURE

MATERIALS
REQUIRED

CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-SIL F4

High purity silica dry vibratable refractory for iron melting coreless applications

°F	°C
3100	1700

Lbs/ft³	Kg/m³
135	2160

AI₂O₃	SiO₂	TiO₂	Other
0.7	98.8	0.07	0.43

PRODUCT NAME /
CHARACTERISTICS

MAXIMUM
TEMPERATURE

MATERIALS
REQUIRED

CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-SIL EZF

Dry silica refractory designed to free flow for iron melting coreless applications

°F	°C
3000	1650

Lbs/ft³	Kg/m³
132	2120

AI₂O₃	SiO₂	Fe₂O₃	Other
0.5	99.2	0.1	0.2

PRODUCT NAME /
CHARACTERISTICS

MAXIMUM
TEMPERATURE

MATERIALS
REQUIRED

CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-SIL CU

High purity silica dry vibratable refractory with silicon carbie addition for non-ferrous coreless applications

°F	°C
2750	1510

Lbs/ft³	Kg/m³
136	2180

AI₂O₃	SiO₂	Fe₂O₃	Other
2.0	97.0	0.07	.93

PRODUCT NAME /
CHARACTERISTICS

MAXIMUM
TEMPERATURE

MATERIALS
REQUIRED

CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-SIL

Silica dry vibratable refractory for iron melting coreless applications

°F	°C
3000	1650

Lbs/ft³	Kg/m³
131	2100

AI₂O₃	SiO₂	Fe₂O₃	Other
0.5	99.2	0.1	0.2

PRODUCT NAME /
CHARACTERISTICS

MAXIMUM
TEMPERATURE

MATERIALS
REQUIRED

CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-RAM VR-S

High density silica dry vibratable refractory for iron melting coreless applications

°F	°C
3000	1650

Lbs/ft³	Kg/m³
136	2180

AI₂O₃	SiO₂	Other
0.5	99.2	0.2

PRODUCT NAME /
CHARACTERISTICS

MAXIMUM
TEMPERATURE

MATERIALS
REQUIRED

CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-RAM VR-91M

High purity, magnesia based dry vibratable refractory for coreless steel melting applications

°F	°C
3300	1820

Lbs/ft³	Kg/m³
162	2600

AI₂O₃	SiO₂	MGO	Ca0
1.2	0.7	97.0	0.9

PRODUCT NAME /
CHARACTERISTICS

MAXIMUM
TEMPERATURE

MATERIALS
REQUIRED

CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-RAM VR-90M

High purity, magnesia based dry vibratable refractory for coreless steel melting applications

°F	°C
3300	1820

Lbs/ft³	Kg/m³
173	2770

SiO₂	MGO	Ca0	Other
0.6	98.3	0.7	0.4

PRODUCT NAME /
CHARACTERISTICS

MAXIMUM
TEMPERATURE

MATERIALS
REQUIRED

CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-RAM VR-900A

Fused alumina, chrome oxide dry vibratable for iron channel furnace uppercase sidewalls and slag line applications

°F	°C
3100	1700

Lbs/ft³	Kg/m³
190	3040

AI₂O₃	Cr₂O₃	TiO₂	Other
93.4	4.0	1.5	1.1

PRODUCT NAME /
CHARACTERISTICS

MAXIMUM
TEMPERATURE

MATERIALS
REQUIRED

CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-RAM VR-88A

High alumina vibratable refractory

°F	°C
3200	1760

Lbs/ft³	Kg/m³
170	2720

AI₂O₃	SiO₂	TiO₂	Other
85.7	5.9	3.3	5.1

PRODUCT NAME /
CHARACTERISTICS

MAXIMUM
TEMPERATURE

MATERIALS
REQUIRED

CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-RAM VR-84M

Magnesia based, spinel bonded dry vibratable inductor refractory for gray/ductile iron applications

°F	°C
3300	1820

Lbs/ft³	Kg/m³
175	2800

AI₂O₃	SiO₂	MGO	Other
10	0.6	88	1.4

PRODUCT NAME /
CHARACTERISTICS

MAXIMUM
TEMPERATURE

MATERIALS
REQUIRED

CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-RAM VR-790A

High strength, fused alumina based, spinel bonded dry vibratable refractory for coreless steel melting applications

°F	°C
3300	1820

Lbs/ft³	Kg/m³
192	3080

AI₂O₃	SiO₂	MGO	Other
85.8	0.7	12.8	0.7

PRODUCT NAME /
CHARACTERISTICS

MAXIMUM
TEMPERATURE

MATERIALS
REQUIRED

CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-RAM VR-788A

Fused alumina, spinel bonded dry vibratable refractory for coreless steel melting applications

°F	°C
3300	1820

Lbs/ft³	Kg/m³
192	3080

AI₂O₃	SiO₂	MGO	Other
86.4	0.2	12.9	0.5

PRODUCT NAME /
CHARACTERISTICS

MAXIMUM
TEMPERATURE

MATERIALS
REQUIRED

CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-RAM VR-740A

Fused alumina, spinel bonded dry vibratable refractory for high temp cupro-nickel coreless applications

°F	°C
3000	1650

Lbs/ft³	Kg/m³
190	3040

AI₂O₃	SiO₂	MGO	Other
82.6	1.6	12.4	3.4

PRODUCT NAME /
CHARACTERISTICS

MAXIMUM
TEMPERATURE

MATERIALS
REQUIRED

CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-RAM VR-580A

Fused alumina, silicon carbide dry vibratable refractory for non-ferrous coreless applications

°F	°C
3100	1700

Lbs/ft³	Kg/m³
185	2960

AI₂O₃	SiO₂	SiC & Carbon	Other
69.2	2.8	23.0	5.0

PRODUCT NAME /
CHARACTERISTICS

MAXIMUM
TEMPERATURE

MATERIALS
REQUIRED

CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-RAM VR-570A

Fused alumina, mullite bonded dry vibratable refractory for iron channel furnace throat applications

°F	°C
3100	1700

Lbs/ft³	Kg/m³
190	3040

AI₂O₃	SiO₂	TiO₂	Other
94.1	3.7	1.3	0.9

PRODUCT NAME /
CHARACTERISTICS

MAXIMUM
TEMPERATURE

MATERIALS
REQUIRED

CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-RAM VR-560A

Fused alumina, silicon carbide dry vibratable refractory

°F	°C
3100	1700

Lbs/ft³	Kg/m³
190	3040

AI₂O₃	SiO₂	SiC	Other
88.2	4.4	4.6	2.8

PRODUCT NAME /
CHARACTERISTICS

MAXIMUM
TEMPERATURE

MATERIALS
REQUIRED

CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-RAM VR-558A

Fused alumina, silicon carbide dry vibratable for non-ferrous channel furnace throat and upper case applications

°F	°C
3100	1700

Lbs/ft³	Kg/m³
190	3040

AI₂O₃	SiO₂	SiC	Other
87.5	4.4	4.5	3.6

PRODUCT NAME /
CHARACTERISTICS

MAXIMUM
TEMPERATURE

MATERIALS
REQUIRED

CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-RAM VR-556A

Fused alumina, silicon carbide dry vibratable for iron channel furnace throat and upper case applications

°F	°C
3100	1700

Lbs/ft³	Kg/m³
190	3040

AI₂O₃	SiO₂	SiC	Other
86.8	4.3	4.5	4.4

PRODUCT NAME /
CHARACTERISTICS

MAXIMUM
TEMPERATURE

MATERIALS
REQUIRED

CHEMICAL ANALYSIS
BY PERCENTAGE

UNI-RAM VR-550A

Fused alumina, silicon carbide dry vibratable refractory for non-ferrous applications

°F	°C
3000	1650

Lbs/ft³	Kg/m³
190	3040

AI₂O₃	SiO₂	SiC	Other
86.4	5.2	4.4	4.0

UNITED REFRACTORIES CO. PRODUCT LISTING

Vibratables - Dry/Wet

Request More Information on UNI-RAM VR-611A

Request More Information on UNI-RAM VR-796A

Request More Information on UNI-RAM VR-797A TOP CAP

Request More Information on UNI-RAM VR-301A

Request More Information on UNI-RAM VR-300A

Request More Information on UNI-RAM V-75

Request More Information on UNI-RAM V-7

Request More Information on UNI-SIL FF30 TOP CAP

Request More Information on UNI-SIL FF30

Request More Information on UNI-SIL F4

Request More Information on UNI-SIL EZF

Request More Information on UNI-SIL CU

Request More Information on UNI-SIL

Request More Information on UNI-RAM VR-S

Request More Information on UNI-RAM VR-91M

Request More Information on UNI-RAM VR-90M

Request More Information on UNI-RAM VR-900A

Request More Information on UNI-RAM VR-88A

Request More Information on UNI-RAM VR-84M

Request More Information on UNI-RAM VR-790A

Request More Information on UNI-RAM VR-788A

Request More Information on UNI-RAM VR-740A

Request More Information on UNI-RAM VR-580A

Request More Information on UNI-RAM VR-570A

Request More Information on UNI-RAM VR-560A

Request More Information on UNI-RAM VR-558A

Request More Information on UNI-RAM VR-556A

Request More Information on UNI-RAM VR-550A

UNITED REFRACTORIES CO.
PRODUCT LISTING