VELCRETE SF 20 SIC

VELCRETE SF 20 SIC

Silica Sol Bonded Castable for Foundry Ladle

PRODUCT DATA SHEET: SHARADAA VELCRETE SF 20 SIC (SILICA SOL
BONDED CASTABLE)

Aggregate : Silicon Carbide / Super Calcined Bauxite LF
Bond : Chemical – Ceramics
Type of Setting : Hydraulic
Binder required for casting : 10 %
Application Method : Vibro Casting
Form De-moulding Time : 8 hour
Packing : Dry powder will be packed in 25 kgs Poly-lined HDPE bags
Shelf Life : 9 months
Key Properties : Foundry Ladle Applications

PropertiesUnitSpecificationTest Method
Service Temperature°C1700BIS 10570
Maximum Grain Sizemm6BIS 10570
Bulk Density Dried at 110°C/24 hrsgm/cc2.8BIS 10570
Cold Crushing Strength Dried at 110°C/24 hrskg/cm2400BIS 10570
Cold Crushing Strength Fired at 1500°C/3 hrskg/cm21000BIS 10570
Permanent Linear Change Fired at 1500°C/3 hrs%±1BIS 10570
Chemical Analysis
Al2O3
Fe2O3
SIC
%60
1
20
BIS 12107

NOTE:

  • The properties shown are for vibratory cast material only

  • Water requirement indicated are based on laboratory test conditions. Actual water requirement may vary subject to site conditions

  • Types of Mixer Paddle type with 33 RPM