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3M™ Photo Film Splicing Tape 8421 White, 3/4 in x 72 yd 2.5 mil, 48 per case Bulk

3M ID  70006003431    UPC#  00021200037887    Part Number  8421    3M Product Number  8421     
3M(TM) 8421 Photo Film Splicing
3M(TM) 8421 Photo Film Splicing
3M™ Polyester Tape 8421 White, 2.5 mil (0.06 mm) polyester film tape with pigmented rubber adhesive.
  • White, good tack
  • Excellent solvent and chemical resistance
  • Thin, high tear resistance, good temperature resistance, long-term aging, high strength backing
  • General Industrial, Graphic Arts, Photo Film Processing
  • Splicing, insulating, edging, reinforcing, protecting, sealing, flash breaking, tabbing, roll closing, labeling
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Overview

3M™ Polyester Tape 8421, used to pre-splice photographic film for processing. Other application ideas include sealing, labeling, protecting and edging where a high tack, rubber adhesive is desirable.

Specifications

 Adhesion to Steel oz/in (N/100 mm)‎ 50 (54)‎
 Adhesive Type‎ Rubber‎
 Applications‎ Butt Splicing and Core Starting‎
 Backing Material‎ Polyester‎
 Backing Thickness‎ 1.4 mil‎
 Backing Thickness (metric)‎ 0.04 mm‎
 Brand‎ 3M‎
 Color‎ White‎
 Elongation‎ 140 Percent‎
 Industries‎ General Industrial‎ ,  Print‎
 Length‎ 72 Linear Yard‎
 Length (Metric)‎ 65.83 m‎
 Maximum Operating Temperature (Celsius)‎ 148 Degree Celsius‎
 Maximum Operating Temperature (Fahrenheit)‎ 300 Degree Fahrenheit‎
 Minimum Operating Temperature (Fahrenheit)‎ -60 Degree Fahrenheit‎
 Product Form‎ Roll‎
 Shelf Life in Months (from date of manufacture)‎ 18‎
 Tensile Strength‎ 43 lb/in‎
 Tensile Strength (metric)‎ 754 N/100mm‎
 Total Thickness‎ 2.5 mil‎
 Width‎ 0.75 Inch‎
 Width (Metric)‎ 19.05 mm‎

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