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.
|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|
The datcell namere given for informational purposes only, and are not to be interpreted as product of process specifications.
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.