Polyvinyl Butyral for Ceramic & Specialty Inks
CAS Number: 63148-65-2
Polyvinyl butyral (PVB) resin used as a film-forming binder in ceramic screen-printing inks, electronic pastes, and high-performance specialty inks requiring excellent adhesion to glass, metal, and ceramics after firing. PVB's unique combination of flexibility, solubility in alcohol/ester solvents, and burnout characteristics make it the preferred binder for ceramic decal inks and glass decoration inks.
Technical Specifications
| appearance | White to off-white powder or granules |
| viscosity (mPa·s) | 50–1000 (10% in ethanol, 25 °C) |
| residual acetate (%) | 0–3 |
| glass transition Tg (°C) | 60–72 |
| degree of butyralization (%) | 68–80 |
Applications
- Ceramic screen-printing inks and decorating pastes
- Glass decoration and enamel inks
- Electronic thick-film pastes and circuit printing
- Metal surface coating and printing inks
- Safety glass interlayer coatings
Key Features
- Excellent adhesion to glass, ceramic, and metallic substrates
- Clean burnout during ceramic firing with minimal ash residue
- Soluble in ethanol, IPA, and ester solvents for easy formulation
- Outstanding film flexibility and toughness before firing
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CAS Number
63148-65-2
Category
Printing Ink ChemicalsAvailability
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