• Description for 3M 250

    Flatback Masking Tape used in holding, splicing or masking applications where high adhesion strength, high temperature capability and high backing strength are required.

    *See Terms of Use Below

    Application Type Bond, Masking
    1 Part or 2 Part 1 Part
    Material Form Tape
    Substrate Steel
    Manufacturer 3M
    Chemistry Rubber
    Cure Method Pressure Sensitive
    Color Tan
    Relative Solvent Resistance Chemical Resistance: solvent resistance
    Key Specifications ASTM (American Standard Test Method): Meet ASTM D 6123; Meet ASTM D 6123M-97, CID (United States Government Commercial Item Description): A-A-883B, Mil-Spec (United States Military Standard): CID-A-A-883B; MIL-F-18264D
  • Technical Data for 3M 250

    Overview
    • Application Type
    • 1 Part or 2 Part
      • 1 Part or 2 Part - 1 Part
    • Material Form
      • Tape
    • Substrate
    • Industry
    • Chemistry
      • Other - Rubber
    • Cure Method
      • Pressure Sensitive (min) - Pressure Sensitive
    • Color
      • Brown - Tan
    • Key Specifications
      • ASTM (American Standard Test Method): D 6123 - Meet ASTM D 6123; Meet ASTM D 6123M-97
      • ASTM (American Standard Test Method): D 6123M-97 - Meet ASTM D 6123; Meet ASTM D 6123M-97
      • CID (United States Government Commercial Item Description): A-A-883B
      • Mil-Spec (United States Military Standard): F-18264D - CID-A-A-883B; MIL-F-18264D
    Specifications
    Bond Strength
    General Bond Strength (psi) 78 (oz./in.) Test Method
    Tensile Strength (psi) Good, 59 (lbs./in.) Test Method
    Material Resistance
    Moisture/Humidity Resistance Moisture resistance
    Hardness
    Elongation (%) 4 Test Method
    Business Information
    Shelf Life Details Store under normal conditions of 70ºF (21ºC) and 50% R.H. in the original carton. To obtain best performance, use this product within 18 months from date of manufacture.
    Shelf Life Temperature (°F) 70
    Shelf Life Type From date of manufacture
    Shelf Life (mon) 18
    Not Good For
    Don't Use For Not recommended for outdoor exposure as it may become difficult to remove
  • Best Practices for 3M 250

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Tensile Strength Test Methods
Tensile Strength Test Method
Good
59 (lbs./in.) ASTM D-3759, width
General Bond Strength Test Methods
General Bond Strength Substrate Test Method
78 (oz./in.) Steel ASTM D-3330, width
High Temperature Resistance Test Methods
High Temperature Resistance Test Method
Elongation Test Methods
Elongation Test Method
4 % D-3759 (at Break)