Lignosulfonate Ceramic Binder
CAS Number: 8062-15-5
Sodium and calcium lignosulfonates are by-product binders from the pulp and paper industry, widely used in refractory and structural ceramic applications. They provide strong inter-particle bonding in pressing and ramming mixes, act as temporary binders for magnesia and alumina refractories, and are economical alternatives to synthetic binders in high-volume production.
Technical Specifications
| appearance | Brown to dark brown powder or liquid |
| purity (%) | ≥85 |
| moisture (%) | ≤8 (powder) |
| pH (10% solution) | 7–10 |
| sulfonate content (%) | ≥6 |
Applications
- Binder for refractory brick pressing and ramming mixes
- Temporary binder for magnesia and dolomite refractories
- Binder in ceramic tile pressing and pelletizing
- Plasticizer for dense refractory extruded shapes
- Binder for activated carbon and catalyst pellets
Key Features
- Low-cost bio-based binder suitable for large-scale refractory production
- Provides good green strength and workability in ramming mixes
- Available as both powder and aqueous solution for flexible use
- Compatible with magnesia, alumina, and dolomite refractory materials
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CAS Number
8062-15-5
Category
Ceramic / Glass AdditivesAvailability
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