Refrax® ProPlast - Plastic

Silicon Carbide Plastic

Saint-Gobain Performance Ceramics & Refractories’ high workability, extremely versatile plastic mass is available in the 60%-80% SiC range.

These products can be used directly from the package and applied by hand, with no mixing or equipment needed. They are ideal for quick patch repairs.

Refrax® ProPlast is soft enough to be pushed onto pins or caps on the tube wall or pressed into hex-mesh.

Features and Benefits

Benefits
  • Silicon carbide plastic mass
  • Heat setting
  • High workability
  • Time saving
  • Reliable
  • Flexible
  • No tools required - pre-mixed ready to apply
  • Ease of use
  • Packaged in a 25 kg bag
  • A shelf life of 6 months under normal conditions
Chemical Analysis
ProPlast 60
Property Value Method
Typical Chemical Analysis

SiC

SiO2

Al2O3

Others

65.5%

18.0%

10.0%

2.0%

DIN EN ISO 21068
DIN 13925
DIN 51001

Maximum Service Temperature

1,450ºC

 

Loss on Ignition at 800ºC

5.0%

BS 812 -2:1995
Particle Sizing <4mm DIS EN 933-1
BS EN 933-2
Permanent Linear Change
at 110ºC
after 3hrs MST

<1%
<1%

BS EN 993-10:1998
Rammed Density 2,300 Kg.m-3  
Bulk density after 3hrs MST 2.3 g.cm-3 BS EN 993-1:1995
Cold crushing strength after 3hrs MST 30 MPa BS EN 993-5:2000
Thermal Conductivity at 800ºC 2 W.m-1 K-1 BS 1902 - 5.5: 1991
Abrasion resistance at MST BS1902 70 cm3 BS1902
Moisture, as received 10% IS:4031-5-1988
Product Use
  • Used with pins and studs on the tube wall
  • Super heater
  • Header and collector
  • Repairs and patching

Documents