3M VHB Tape 4905 Datasheet 3M VHB Tape 4905

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  • Description for 3M VHB Tape 4905

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

    *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 Aluminum, Anodized Aluminum, Copper, Glass, Lead, Metal, Zinc, Plastic, Stainless Steel, Polyurethane paint, Acrylic paint, Polycarbonate, Tin
    Industry Many exterior bonding applications, Many interior bonding applications, General Purpose, 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 Clear
    Total Thickness (mm) 0.020
    High Temperature Resistance (°C) 90, 149
    Low Temperature Resistance (°C) -35, 93
    Durability Outstanding durability
    Stress Relief Stress relaxing
    Density (g/cm³) 60 (Ib/ft3)
    Key Specifications UL 746C

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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
Cure Temperature Test Methods
Cure Temperature Cure Time Test Method
20 to 25°C Room Temperature 50% 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 (Ib/in) Dynamic overlap shear strength 4,320 min Stainless steel 25°C Room Temperature 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.
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 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 (3.23 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.
Tensile Strength Test Methods
Tensile Strength Type Cure Time Substrate Test Temperature Test Method
High
100 (lb/in 2)
Peel Strength Test Methods
Peel Strength Type Cure Time Substrate Test Temperature Test Method
High
12 (lb/in) 90° Peel strength 4,320 min Stainless steel 25°C Room Temperature 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.
High Temperature Resistance Test Methods
High Temperature Resistance Test Method
90°C
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
-35°C
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).