Eastman Eastek™ 4500 polymer is a high-performance polyester resin for polyurethane hot melt adhesive applications. Eastman Eastek 4500 polymer is designed to reduce viscosity, increase Tg, enhance UV resistance, and improve formulation compatibility to enable greater productivity, application consistency, and long-term durability of the bonded structure. Applications Key Attributes- Enhanced compatibility with tackifiers
- Excellent green strength
- Good heat and hydrolytic stability
- High Tg
- Low viscosity
- Outstanding UV resistance
- Superior adhesion to low surface energy substrates
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