• Description for 3M 4946

    Ideal for use in many interior and exterior bonding applications., Excellent durability and excellent solvent and moisture resistance.<br/>

    *See Terms of Use Below

    Application Type Bond
    Material Form Tape
    Substrate Acrylic paint, Aluminum, Glass, Metal, ABS, Polycarbonate, Polyester paint, Polyurethane paint, UnPlasticized PVC, Stainless Steel, Phenolic, Polyimide, Vinyl, Galvanized Steel, Galvanized Steel, Plastic
    Manufacturer 3M
    Chemistry Acrylic
    Cure Method Pressure sensitive
    Color White
    Relative Solvent Resistance Chemical Resistance: Excellent solvent resistance
    High Temperature Resistance (°C) 149, 93, 110, 90, 75
    Low Temperature Resistance (°C) -35
    Durability Excellent durability
    Density (g/cm³) 0.800
    Key Specifications UL 746C
    Tape Backing/Carrier Acrylic Foam
  • Technical Data

    Overview
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    Specifications
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  • Best Practices

    *See Terms of Use Below

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Peel Strength Test Methods
Peel Strength Type Cure Time Substrate Test Temperature Test Method
High
25 (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
140 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.
1500 (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
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).
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 continuous exposure for days or weeks)
110°C
90°C
75°C