Unshaped Refractories / Ultra Low Cement Castables

ULCC-85 Ultra Low Cement Castables

ULCC-85 is the 83-87% Al₂O₃ grade in Shanker Agencies’ ultra low cement castables range, rated for continuous service to 1820°C.

ULCC-85 grade ultra low cement castables supplied by Shanker Agencies
Grade
ULCC-85
Al₂O₃ content
83-87%
Max service temperature
1820°C
Cold crushing strength
160 MPa
Bulk density
3.10 g/cc

ULCC-85 technical specification

Typical values for ULCC-85 ultra low cement castables. Test methods vary by property and product family, so confirm the applicable standard against the manufacturer datasheet before specifying.

PropertyULCC-85
Al₂O₃ content83-87%
Cement content1-1.5%
Bulk density3.10 g/cc
Cold crushing strength160 MPa
Max service temperature1820°C

Grade designations and equivalents

How ULCC-85 is referenced across Indian and export naming conventions.

SAPL grade codeULCC-85
Alumina content83-87% Al₂O₃
Max service temperature1820°C

Where ULCC-85 is used

Blast furnace main troughs & tilting runners
EAF delta section & taphole area
Ladle impact pad
High-wear zones, torpedo car mouth
Direct-reduced iron (DRI) vessels
Aluminium holding furnace high-wear zones

Full ultra low cement castables range

Compare ULCC-85 against every grade SAPL stocks in this family.

GradeAl₂O₃ contentCement contentBulk densityCold crushing strengthMax service temperature
ULCC-7068-72%1.5-2%2.80 g/cc120 MPa1750°C
ULCC-8078-82%1-1.5%3.00 g/cc150 MPa1800°C
ULCC-8583-87%1-1.5%3.10 g/cc160 MPa1820°C
ULCC-9088-92%0.5-1%3.20 g/cc180 MPa1850°C

Installation notes

  1. 1Strictly follow manufacturer water addition (typically 3.5–4.5%), excess water destroys properties
  2. 2Use forced-action or planetary mixer, drum mixer not suitable for ULCC
  3. 3Vibration is critical: 30–45 seconds per layer using 25–40 mm needle vibrator
  4. 4Extended curing: minimum 48 hrs covered before dry-out begins
  5. 5Dry-out is slower than LCC: 10°C/hr to 110°C, hold 24 hrs; then 15°C/hr stages to operating temp

Disclaimer: values are typical and compiled by Shanker Agencies Pvt. Ltd. from standard industry data and published manufacturer specifications. They are indicative, not a guarantee. Confirm the exact grade datasheet before specifying. For a certified datasheet or quotation, contact info@shankeragencies.com or +91 98999 57888.