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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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Product Resultsvar modelsTxt="Product Results";

Products and Purchase Options: 

4 Results (Displaying results 1-4)
1
3M IDUPCMarketplace Formal NameColorLengthWidth
70009272017000212000575023M™ Photo Film Splicing Tape 8421 White, 1 in x 72 yd 2.5 mil, 36 per case BulkWhite72 Linear Yard1 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 
70006003431000212000378873M™ Photo Film Splicing Tape 8421 White, 3/4 in x 72 yd 2.5 mil, 48 per case BulkWhite72 Linear Yard0.75 Inch 
70009272199000212000575263M™ Photo Film Splicing Tape 8421 White, 1/2 in x 72 yd 2.5 mil, 72 per case BulkWhite72 Linear Yard0.5 Inch 
4 Results (Displaying results 1-4)
1
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 TypeRubber
ApplicationsButt Splicing and Core Starting
Backing MaterialPolyester
Backing Thickness1.4 mil
Backing Thickness (metric)0.04 mm
Brand3M
ColorWhite
Elongation140 Percent
IndustriesGeneral Industrial, Print
Length72 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 FormRoll
Shelf Life in Months (from date of manufacture)18
Tensile Strength43 lb/in
Tensile Strength (metric)754 N/100mm
Total Thickness2.5 mil
Width1.25 Inch, 0.75 Inch, 0.5 Inch, 1 Inch
Width (Metric)25.4 mm, 12.7 mm, 19.05 mm, 31.75 mm