• Description for 3M 4951

    White, closed-cell acrylic foam carrier • Apply as low as 32°F (0°C)

    *See Terms of Use Below

    Chemical Resistance Chemical Resistance: Excellent solvent resistance
    Application Type Bond
    1 Part or 2 Part 1 Part
    Material Form Tape
    Substrate Aluminum, Copper, Glass, Tin, Stainless Steel, Lead, Zinc, Anodized Aluminum, Foam
    Industry Rivets
    Manufacturer 3M
    Chemistry Acrylic
    Application Method Trowel
    Cure Method Pressure sensitive
    Color White
    High Temperature Resistance (°C) 93, 149
    Low Temperature Resistance (°C) Low
    Density (g/cm³) 0.800
    Key Specifications UL 746C
  • Technical Data for 3M 4951

    Overview
    • Chemical Resistance
      • Chemical Resistance: Relative Solvent Resistance - Excellent solvent resistance
    • Application Type
    • 1 Part or 2 Part
      • 1 Part or 2 Part - 1 Part
    • Material Form
      • Tape
    • Substrate
    • Industry
    • Chemistry
    • Application Method
      • Roll - Roller
      • Flow - Flow equipment
      • Spatula/Trowel - Trowel
    • Cure Method
      • Pressure Sensitive (min) - Pressure sensitive
    • Color
      • White
    • Key Specifications
      • UL (Underwriters Laboratory), ULC (Underwriters Laboratories of Canada), NFPA (National Fire Protection Association) - UL 746C
    Specifications
    Cure Specs
    Application Temperature (°F) >32, 70 to 100
    Bond Strength
    Peel Strength (piw) High, 18 (lb/in) Test Method
    Shear Strength (psi) High, 80, 1250 (grams), 500 (grams), 500 (grams) Test Method
    Tensile Strength (psi) High, 110 Test Method
    Material Resistance
    High Temperature Resistance (°C) 93, 149 Test Method
    Low Temperature Resistance (°C) Low
    Moisture/Humidity Resistance Excellent
    Hardness
    Flexibility Firm
    Other Properties
    Coefficient of Thermal Expansion (CTE) 1e-4 (in./ in/°F), 1.8e-4 (mm/mm /°C)
    Density (g/cm³) 0.800
    Business Information
    Shelf Life Details All 3M™ VHB™ Tapes have a shelf life of 24 months from date of manufacture when stored at 40°F to 100°F (4°C to 38°C) and 0-95% relative humidity. The optimum storage conditions are 72°F (22°C) and 50% relative humidity. Performance of tapes is not projected to change even after shelf life expires;however, 3M does suggest that 3M™ VHB™ Tapes are used prior to the shelf life date whenever possible.
    Shelf Life Temperature (°F) 39 to 100
    Shelf Life Type From date of manufacture
    Shelf Life (mon) 24
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Peel Strength Test Methods
Peel Strength Type Cure Time Substrate Test Temperature Test Method
High
18 (lb/in) 90° Peel strength 4,320 min Stainless steel 25°C Based on ASTM D3330 -To stainless steel, room temperature, jaw speed 12 in/min (305 mm/min). Average force to remove is measured. 72 hour dwell.
Tensile Strength Test Methods
Tensile Strength Cure Time Substrate Test Temperature Test Method
High 25°C
110 psi 4,320 min Aluminum ASTM D-897 - To aluminum, room temperature, 1 in2 (6.45 cm2), jaw speed 2 in/min (50 mm/min.) Peak force to separate is measured. 72 hour dwell.
Shear Strength Test Methods
Shear Strength Type Cure Time Substrate Test Time Test Temperature Test Method
High
80 psi Dynamic overlap shear strength 4,320 min Stainless steel 25°C ASTM D-1002 - To stainless steel, room temperature, 1 in2 (6.45 cm2), jaw speed 0.5 in/min (12.7 mm/min.) Peak force to separate is measured. 72 hour dwell.
1250 (grams) Static shear strength Stainless steel 600,000 sec 22°C ASTM D3654 - To stainless steel, tested at various temperatures and gram loadings. 0.5 in2 (3.22 cm2). Will hold listed weight for 10,000 minutes (approximately 7 days). Conversion: 1500 g/0.5 in2 equals 6.6 lb/in2, 500 g/0.5 in2 = 2.2 lb/in2.
500 (grams) Static shear strength Stainless steel 600,000 sec 66°C ASTM D3654 - To stainless steel, tested at various temperatures and gram loadings. 0.5 in2 (3.22 cm2). Will hold listed weight for 10,000 minutes (approximately 7 days). Conversion: 1500 g/0.5 in2 equals 6.6 lb/in2, 500 g/0.5 in2 = 2.2 lb/in2.
500 (grams) Static shear strength Stainless steel 600,000 sec 93°C ASTM D3654 - To stainless steel, tested at various temperatures and gram loadings. 0.5 in2 (3.22 cm2). Will hold listed weight for 10,000 minutes (approximately 7 days). Conversion: 1500 g/0.5 in2 equals 6.6 lb/in2, 500 g/0.5 in2 = 2.2 lb/in2.
High Temperature Resistance Test Methods
High Temperature Resistance Test Method
93°C Long Term Temperature Tolerance: Maximum temperature where tape supports at least 250 g load per 0.5 in2 in static shear for 10,000 minutes (Represents continuousexposure for days or weeks)
149°C Short Term Temperature Tolerance: No change in room temperature dynamic shear properties following 4 hours conditioning at indicated temperature with 100 g/static load. (Represents minutes, hours in a process type temperature exposure).