PROTEX 1321D-3
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. Protex 1321D-3 is also used to block out areas not to be treated during various anodize, alodine and chemical milling operations. Prior testing is necessary to determine individual requirements.
*This product is not intended for fly-away applications. Test prior to use on copper, brass or anodized aluminum. OUTDOOR EXPOSURE IS NOT RECOMMENDED.
BACKING
Thickness, mils 3
Tensile strength, PSI/mil 30,000
Elongation, % 130
Elmendorf Tear, grams/mils 15
ADHESIVE
Base Synthetic rubber/resin
Adhesion to steel, oz./in. width 30 - 40 (-5/+7)
(At time of manufacture)PSTC-1 (Modified) Silicone Free
LINER
Flat
STORAGE
Shelf life is 1 year if stored in a cool dry place, out of direct sunlight.
ROLL SIZES
36” x 100 yds