Wesolok D
Highly dispersible large-particle alumina for fiber bonding
Wesolok D alumina is a highly dispersible, large-particle size colloidal alumina. It is a high purity boehmite (alumina mono-hydrate) powder ready for dispersion in water at up to 30% concentration to give stable colloidal alumina sols for bonding ceramic fibers.

Wesolok D offers these advantages

Withstands higher temperatures
High purity alumina provides for low reactivity and can be used to replace colloidal silica where greater refractoriness at use temperatures is required.
No cristobalite
Completely silca free, eliminating a common source of thermal shrinkage problems and health-related concerns.
Flocs with cationic starch
Has a moderate cationic charge which works well with all starches, and especially well with a cationic starch like Westar+.

Typical Physical Properties
Color and Consistenty
White dry powder
Al2O3, wt%
80
pH (20% in water)
3.5 - 4.5
Surface area, m2/g
140
Stabilizing ion
Nitrate
Toxicity
Non-toxic. Do not breathe dusts. Dispersions are mildly acidic. Protect eyes from splashes. See SDS for a complete safety discussion.
Packaging
Fiber drums, plastic lined, 400 lbs net. Cartons: 50 lbs. net.

Technical Data Sheet

SDS

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