Refrax® ProRam - Ramming

Silicon Carbide Ramming

Saint-Gobain Performance Ceramics & Refractories offers various qualities of silicon carbide based ramming mass. These specialist materials typically include 60%-80% SiC content, making them ideal for use in the challenging environments associated with waste to energy applications.

A robust bonding system and carefully selected raw materials ensure high adhesion, superior strength and resistance to the harsh conditions commonly found inside the boiler.

Features and Benefits

Benefits
  • Monolithic rammable
  • Robust silicon carbide base
  • Heat setting
  • Low shrinkage
  • Time saving and easy to use - use directly from the pack with no mixing required
  • Reliable
  • Flexible
  • Compatible with tile systems for a fully integrated solution
  • Packaged in a 25 kg bag
  • A shelf life of 6 months under normal conditions
Chemical Analysis

ProRam 80
 

Property Value Method
Typical Chemical Analysis
SiC 80%
Al2O3 15%

Si2O2

2%
Others 3%

DIN EN ISO 21068

DIN 13925

DIN 51001

Loss on Ingnition at 700ºC (direct)

<0.3%

BS 812 -2:1995
Particle Sizing <3 mm DIN EN 933-1
DIN EN 933-2
Cold Crushing Test after 3hrs MST 50 MPa BS EN 993-10:1998
Maximum Use Temperature 1,450ºC  
Permanent Linear Change at 110ºC after 3hrs MST

<1%

<1%

BS EN 993-10:1998
Rammed Density
2550 Kg.m-3
 
Bulk Density after 3hrs MST 2.40 g.cm-3 BS EN 993-1:1995
Abrasion resistance at MST 20 cm-3 BS 1902 : 4.6 : 1985
Thermal Conductivity at 800ºC 3.0 W.m-1k-1 BS 1902 - 5.5: 1991
Moisture, as received 6% BS 812 - 7.6: 1975
Product Use
  • Inlet roof
  • Burner outlet
  • Super heater
  • Header and collector
  • Repairs and patching

Documents