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3M™ Photo Film Splicing Tape 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
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Products and Purchase Options: 

4 Results (Displaying results 1-4)
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3M IDUPCMarketplace Formal NameColorLengthWidth
70009272199000212000575263M™ Photo Film Splicing Tape 8421 White, 1/2 in x 72 yd 2.5 mil, 72 per case BulkWhite72 Linear Yard0.5 Inch 
70006227907000212003799253M™ Photo Film Splicing Tape 8421 White, 1-1/4 in x 72 yd 2.5 mil, 24 per case BulkWhite72 Linear Yard1.25 Inch 
70009272017000212000575023M™ Photo Film Splicing Tape 8421 White, 1 in x 72 yd 2.5 mil, 36 per case BulkWhite72 Linear Yard1 Inch 
70006003431000212000378873M™ Photo Film Splicing Tape 8421 White, 3/4 in x 72 yd 2.5 mil, 48 per case BulkWhite72 Linear Yard0.75 Inch 
4 Results (Displaying results 1-4)
1

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 1.25 Inch‎ ,  0.75 Inch‎ ,  0.5 Inch‎ ,  1 Inch‎
 Width (Metric)‎ 25.4 mm‎ ,  12.7 mm‎ ,  19.05 mm‎ ,  31.75 mm‎

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