Ludox Rigidizer is a colloidal silica compound for treating surfaces of ceramic fiber products to provide a degree of surface hardness and resistance to erosion. Ludox Rigidizer is stabilized against freezing during exposure to cold, however, freezing should be avoided.
Specifications
| Melting Point ( ºC ) | 0 |
|---|---|
| Melting Point ( ºF ) | 32 |
| Surface Area ( m²/g ) | 198 to 258 |
| Silica Content ( % ) | 39.0 to 41.0 |
| pH at 25ºC/77ºF | 9.2 to 9.9 |
| Weight per Gallon at 25ºC/77ºF ( lb ) | 10.8 |
| Boiling Point at 760 mmHg ( ºC ) | 100 |
| Boiling Point at 760 mmHg ( ºF ) | 212 |
| Specific Gravity at 25ºC/77ºF | 1.3 |
| Vapor Pressure at 25ºC/77ºF ( mm g ) | 24 |
| Vapor Pressure at 38ºC/100ºF ( mm Hg ) | 48 |
| Stabilizing Counter Ion | Sodium |
| Particle Charge | Negative |
Note
The datcell namere given for informational purposes only, and are not to be interpreted as product of process specifications.
Recommended Applications
LUDOX® HS-40 HS has been broadly used in the formulation of coatings, catalysts, antislips, and anti-soil treatments as well as a high temperature binder for refractory fibers, stool coatings, investment castings, etc.