VP Disp. W 640 XC2 is an alumina dispersion with a high solid content, special anionic stabilization and a neutral to basic pH.
Scope of Application
Ready-to-use binder for investment casting. Especially suitable for single crystal casting and directional solidification with superalloys. Slurries prepared with alumina and zirconia powders show excellent stability over several months
Applications that require anionic surface charge and/or neutral to basic pH
Contains wetting agent to improve wettability of wax
Contains polymer to increase shell green strength
Anionic (negative) surface charge as a result of special stabilization
High solid content
Superior rheological behavior
Easy to handle
VP Disp. W 640 XC2 is a milky-white, water-based liquid.
* Developmental products are labeled with the VP designation. Commercialization depends on market response.