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3M 231
High Performance Paint Masking Tape

General Information
3M masking tape 231 is a 6.1mil high performance, smooth mini-crepe paper masking, designed to perform well in most industrial painting situations, including bake cycles. This superior masking tape is designed specifically for the professional painter. It is perfectly balanced to give outstanding masking results. Can be used at bake temperatures up to 250°F for one hour and removes from most surfaces without adhesive transfer. 3M 231 masking tape is recommended for all critical color separation paint masking operations. It has best-in-class holding power for critical paint lines and clean removal on high valued products or processes.
Backing Adhesive
(unwind)
Thickness
(total)
Liner Type
(outer)
Crepe Paper Rubber 6.10 mil  

Adhesion to Steel
180° Peel
Adhesive Activation Tensile Strength Elongation Percent
36.00 oz/in Pressure 26.00 lbs/in 8.00%

Min Application
Temp
Min Service
Temp
Max Short-Term
Temp
Max Long-Term
Temp
50 °F 0 °F 250 °F  
Adhesive Tape Features
  • Designed for indoor use only as it should not be subjected to outdoor exposure or prolonged periods of sunlight
  • 3M Class I (Gold) masking product
  • Instant adhesion allows for easy stick and fast application
  • Good holding power resists lifting or curling
  • Smoothness allows for excellent surface contact, with very secure hold
  • Thinness is beneficial in reducing paint edge build-up
  • Very conformable, allowing for easy handling
  • Solvent and moisture resistant, reducing bleed through
  • Best paint line
  • High holding strength
  • Instant adhesion
  • Special backsize resists flaking
  • Generally removes cleanly after 1 hour at 250°
  • controlled unwind
Adhesive Tape Applications
  • Paint masking on automobiles, aircraft, trucks and boats
  • Suitable for:
  • Stainless Steel
  • Phosphate primer
  • Zinc primer
  • Most powder coated paints
Adhesive Tape Markets Served
Adhesive Tape Colors
  • Tan

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Converting Options
Converting Services
Budnick Converting offers a number of services to take the product you need and make it perfect for your application.  With converting methods ranging from precision slitting or die-cutting to printing and coating, Budnick has the capabilities to create anything you can dream up. 
Services
Precision Cutting

Die-Cutting

Slitting

Printing

Adhesive Coating

Finishing and Spooling

The physical properties listed are typical values and are not to be considered as specifications. Our suggestions for use are based on tests we believe to be reliable. However, the purchaser must carry out their own tests to determine the suitability of the product for their internal use. Information is given in good faith, but without warranty.

It is essential, as with all pressure-sensitive tapes, that the surface to which the tape is applied be clean, dry and free of grease and oil.

Shelf life from date of manufacture is based on the product being stored at 70°F(21°C) / 50% relative humidity out of direct sunlight.

Specification compliance is dynamic and should only be used as a general guide. Always confirm that the tape you are interested in currently complies with all specification requirements. Please verify that the product number that you select is available in the proper size and color to meet your specification.