Casathane® Thermoplastic Polyurethane Resins
Casathane® 920
A non-reactive polyurethane solution designed for use with nitrocellulose in flexographic or gravure packaging inks.
Key Benefits:
- Excellent adhesion to a wide range of flexible films
- High resistance to blocking, heat, water, and grease
Casathane® 922
A non-reactive polyurethane solution for use with nitrocellulose in flexographic or gravure packaging inks.
Key Benefits:
- Good reducibility with alcohols
- Fully soluble in esters
- Low odour and hard film formation
- Excellent adhesion and resistance to blocking, heat, water, and grease
Key Difference Between 920 and 922:
Inks made with Casathane® 922 are slightly harder and less flexible than those prepared using Casathane® 920.
Why Thomas Swan?
- Energy independent thanks to our on-site anaerobic digestion facility
- Trusted partner – celebrating 100 years of chemical manufacturing.
- Global network of sales offices, direct logistics, and US & UK formulating production centres
- Security of supply and short lead times from stock
Download Product Sheet
Casathane® Thermoplastic Polyurethane Resins
Casathane® 920
- Contains 75% solids in ethyl acetate for concentrated performance
- Low odour formulation ideal for packaging-sensitive applications
- Compatible with nitrocellulose and acrylics (confirmed by resin compatibility testing)
- Provides tough, clear films with minimal tack and excellent flexibility
- Promotes low migration and good compliance with indirect food contact norms
Casathane® 922
- Low viscosity for easy processing
- Completely soluble in esters and alcohols for flexible reduction
- Forms hard, glossy films with low blocking tendencies
- Excellent adhesion to a broad range of plastic substrates
- Low odour ink systems suitable for packaging
- Compatible with nitrocellulose, acrylics, and some PVBs
- Suitable for flexographic and gravure applications
