High Hardness Polyester Polyol Resin for Electronic Components Baking Varnishes & PCB Screen Inks
SE-8661 is a special polyester polyol resin primarily used in combination with amino resins such as Desmodur 3175, Allnex 325, and 303 to prepare baking varnishes for electronic components and PCB screen-printing inks. Depending on different performance requirements, polyester polyol resins are widely used in various industrial applications including coatings and paints, adhesives and bonding agents, printing inks, and more.
Physical Properties
Performance Features
High hardness and good flexibility
Excellent chemical resistance, exhibiting good resistance to oils, solvents, aliphatic hydrocarbons, and similar substances
Good solvent resistance
Good solder bleed resistance
Good flexibility and high gloss in coil coating applications
Reference Formulation
Storage Condition
Tightly sealed, below 30℃
The shelf life of the original package is 730 days from production date
Once the container is opened, it is recommended to use it within a short period of time
This material is compiled according to our existing technology and experience. The technical advice provided is sincere, but it is not guaranteed to be used in all samples and formulations. All data are for user reference only.