3M 8421 Photo Splicing Tapes

3M(TM) Polyester Tape 8421 White, 2.5 mil (0.06 mm) polyester film tape with pigmented rubber adhesive.

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Tape Structure (Backing/Adhesive)Polyester/Rubber
Backing Thickness mils (mm)1.4 mil (0.03 mm)
Total Thickness mils (mm)2.5 mil (0.06 mm)
Adhesion to Steel oz./in. (N/100 mm)50 oz/in (54 N/100 mm)
Tensile Strength lbs./in. (N/100 mm)43 lb/in (754 N/100 mm)
Elongation at Break %140%
Temperature Range °F (°C)-60 to 300°F (50 to 150°C)
CommentsPhoto film splicing
Restocking feeNon-returnable unless defective