Ethylene Vinyl Acetate Ceramic Binder
CAS Number: 24937-78-8
Ethylene-vinyl acetate copolymer (EVA) serves as a backbone binder and toughening agent in wax-based ceramic injection molding and low-pressure injection molding systems. EVA provides flexibility and cohesion to wax binder blends, improves flow at elevated temperatures, and burns out cleanly in two-stage debinding processes.
Technical Specifications
| appearance | White to translucent pellets or granules |
| purity (%) | ≥99 |
| VA content (%) | 18–33 |
| melting point (°C) | 60–95 |
| melt flow index (g/10 min) | 2–400 (various grades) |
Applications
- Backbone binder in wax-based ceramic injection molding
- Toughener in paraffin wax binder systems for LPIM
- Co-binder in ceramic tape casting formulations
- Binder for carbide and hard metal powder injection molding
- Flexible binder for ceramic fiber blanket manufacturing
Key Features
- Adds toughness and cohesion to brittle paraffin wax binder blends
- Adjustable VA content enables tuning of flexibility and burnout
- Compatible with paraffin wax, stearic acid, and polyethylene
- Low residual carbon after two-stage thermal debinding
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CAS Number
24937-78-8
Category
Ceramic / Glass AdditivesAvailability
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