- Ready-to-Use Product Type:Masking Tape
- Application Area:Milling Operations, Drilling Applications
- Compatible Substrates & Surfaces:Aluminum, Metal
Protex 1321D-3 is a 3 mil polyester film with a pressure sensitive adhesive, designed for surface protection of alclad, polished aluminum and other types of metal surfaces during various machining operations, such as drilling, routing, milling, and some forming operations. It will prevent aluminum chips from scratching the surface of the metal during various operations.