3M VHB Tape 4957F Datasheet 3M VHB Tape 4957F

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  • Description for 3M VHB Tape 4957F

    • Interior bonding applications • Exterior bonding applications • Replace spot welds • Replace other permanent fasteners • Acrylic foam• Replace liquid adhesives • Replace rivets • High Tensile • High shear .

    *See Terms of Use Below

    Brand VHB
    Chemical Resistance Chemical Resistance: Excellent solvent resistance
    Application Type Bond
    1 Part or 2 Part 1 Part
    Material Form Tape
    Substrate Copper, Glass, Tin, Stainless Steel, Lead, Zinc, Anodized Aluminum, Foam
    Industry Ideal for use in many interior bonding applications, Ideal for use in many exterior bonding applications, Replace rivets
    Manufacturer 3M
    Chemistry Acrylic foam
    Cure Method Pressure sensitive
    Cure Temperature (°C) 20 to 25 Room Temperature
    Cure Time (min) 20, 1,440, 4,320
    Color Gray
    Total Thickness (mm) 1.575
    High Temperature Resistance (°C) 149
    Low Temperature Resistance (°C) 93, Low
    Stress Relief Stress relaxing
    Durability Outstanding durability
    Density (g/cm³) 45 (Ib/ft3)
    Key Specifications UL 746C

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Cure Temperature Test Methods
Cure Temperature Cure Time Test Method
20 to 25°C Room Temperature 50% of ultimate bond strength will be achieved
Cure Time Test Methods
Cure Time Test Method
20 min 50% of ultimate bond strength will be achieved
1,440 min 90% of ultimate bond strength will be achieved
4,320 min 100% of ultimate bond strength will be achieved
Peel Strength Test Methods
Peel Strength Type Cure Time Substrate Test Temperature Test Method
High
20 (Ib/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 (304.8 mm/min). Average force to remove is measured. 72 hour dwell
Tensile Strength Test Methods
Tensile Strength Type Cure Time Substrate Test Temperature Test Method
High
70 (lb/in 2) T-Block Tensile 4,320 min Aluminum 25°C ASTM D-897 - To aluminum, room temperature, 1 in2 (6.45 cm2), jaw speed 2 in/min (50.8 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
70 (lb/in 2) 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.
1000 (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 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).
Low Temperature Resistance Test Methods
Low Temperature Resistance Test Method
93°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).
Low 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).