T H E  B R U S H  O F  T H E  F U T U R E PRO CHINEX®/POLYESTER BLEND The newest generation of BEST LIEBCO paint brushes combines the "self flagging" and cleanability of DuPont Chinex with the stiffness of DuPont Orel® to bring you the Paintbrush of The Future now! This dyed Chinex and sable colored polyester create the unique look contractors prefer. For use in all paints. Highly recommended for VOC compliant coatings. Angular Sash Flat Sash Varnish Wall Click on one of the above categories to view brushes.