3M VHB Tape 4943F Datasheet 3M VHB Tape 4943F

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  • Description for 3M VHB Tape 4943F

    • Interior bonding applications • Exterior bonding applications • Replace spot welds • • Excellent solvent resistance. • Replace liquid adhesives • Replace rivets • High Tensile • High shear • Outstanding durability.

    *See Terms of Use Below

    Brand VHB
    Chemical Resistance Chemical Resistance: Excellent solvent resistance, Chemical Resistance: Very good plasticizer resistance
    Application Type Bond
    1 Part or 2 Part 1 Part
    Material Form Tape
    Substrate Anodized Aluminum, Copper, Foam, Glass, Lead, Tin, Zinc, Stainless Steel
    Industry Many interior bonding applications, 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) 1.143
    High Temperature Resistance (°C) 200, 300
    Low Temperature Resistance (°C) 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
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 (3.23 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 (3.23 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 (3.23 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.
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 90° Peel Adhesion - 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 Type Cure Time Substrate Test Temperature Test Method
High
85 (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.
High Temperature Resistance Test Methods
High Temperature Resistance Test Method
200°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).
300°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).