VELCRETE SF 204
Technical Datasheet
VELCRETE SF 204
Sharadaa High Performance Gel Bonded, Free Flow and Fast Heat Up Castable
PRODUCT DATA SHEET: SHARADAA VELCRETE SF 204
Aggregate : Super Calcined Bauxite LF
Bond : Ultra Fine
Type of Setting : Ceramic Hardening
Binder required for casting : 9 to 11%
Application Method : Self Flow (Free flow)
Hardening Time : 1 hour
Form De-moulding Time : 8 hour
Creep Resistance : Good
Abrasion Resistance : Good
Thermal Shock Resistance : Excellent
Alkali Resistance : Good
Packing : Dry powder will be packed in 22 kgs Poly-lined HDPE bags Liquid binder will be packed in Plastic Container
Shelf Life : 9 months
| Properties | Unit | Specification | Test Method |
|---|---|---|---|
| Service Temperature | °C | 1650 (max) | BIS 10570 |
| Refractoriness | °C | 1800 (min) | BIS 10570 |
| Maximum Grain Size | mm | 6 (max) | BIS 10570 |
| Bulk Density Dried at 110°C/24 hrs | gm/cc | 2.7 (min) | BIS 10570 |
| Cold Crushing Strength Dried at 110°C/24 hrs | kg/cm2 | 400 (min) | BIS 10570 |
| Cold Crushing Strength Fired at 1100°C/3 hrs | kg/cm2 | 900 (min) | BIS 10570 |
| Cold Crushing Strength Fired at 1500°C/3 hrs | kg/cm2 | 1200 (min) | BIS 10570 |
| Permanent Linear Change Fired at 1500°C/3 hrs | % | ± 1 | BIS 10570 |
| Chemical Analysis Al2O3 Fe2O3 | % | 85 (min) 1.2 (max) | BIS 12107 BIS 12107 |
NOTE:
- The properties shown are for vibratory cast material only unless specified otherwise
- Liquid binder requirement indicated are based on laboratory test conditions. Actual binder requirement may vary subject to site conditions
- Types of Mixer Paddle type with 33 RPM
- 1000 kgs of VELCRETE SF 204 is equivalent to 880 kgs dry powder + 120 kgs Liquid Binder