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DeWal Industries 304-5
Polyimide Printed Circuit Board Mask

General Information
304-5 is a 6.5 mil polyimide film coated with high temperature silicone adhesive. The polyimide film provides excellent electrical insulations, abrasion resistance and high dielectric strength. This tape is used in electrical applications such as capacitor wrapping, gold finger masking, insulation in transformers, coils, flat cables and connectors and high temperature harness wrapping.
Backing Adhesive
(unwind)		 Thickness
(total)		 Liner Type
(outer)
Polyimide Silicone 6.50 mil  

Adhesion to Steel
180° Peel		 Adhesive Activation Tensile Strength Elongation Percent
25.00 oz/in Pressure 30.00 lbs/in 40.00%

Min Application
Temp		 Min Service
Temp		 Max Short-Term
Temp		 Max Long-Term
Temp
40 °F 0 °F 500 °F  
Adhesive Tape Features
  • Flurosilicone release liner
  • UL Approval File no. E179854 Approved Flame Retardant/Cold Resistant
  • Pratt & Whitney Approved
  • High temperature silicone adhesive
  • Excellent electrical insulations, abrasion resistance and high dielectric strength
Adhesive Tape Applications
  • Excellent electrical insulations, abrasion resistance and high dielectric strength
  • Used in electrical applications such as:
  • Capacitor wrapping
  • Gold finger masking
  • Insulation in transformers, coils, flat cables and connectors
  • High temperature harness wrapping
Adhesive Tape Markets Served
Adhesive Tape Colors

Comparable products

DeWal Industries 304-5 View Datasheet
Polyimide Printed Circuit Board Mask
Backing Adhesive Thickness Adhesion
 Polyimide   Silicone   6.50mil   25.00oz/in 
Saint-Gobain 2345-5 View Datasheet
Polyimide Tape
Backing Adhesive Thickness Adhesion
 Polyimide   Silicone   6.50mil   30.00oz/in 

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