Genuine 3M VHB Tape 4930 | 25-mil Balanced Gauge White Acrylic Foam Tape - STK
STK supplies Genuine 3M VHB Tape 4930, a highly versatile 25-mil (0.64mm) white acrylic foam tape engineered to balance low-profile clearances with structural stress dissipation. Featuring a robust, firm closed-cell acrylic adhesive core, this tape occupies the ideal mechanical sweet spot between thin bonding films and thick structural foam pads. It is engineered to provide high permanent adhesion on high-surface-energy (HSE) substrates, including metals, glass, painted finishes, and rigid polymer composites.
The primary engineering asset of 3M VHB 4930 is its ability to manage dissimilar material expansion. The 0.64mm calibrated gauge provides the perfect physical cushion required to absorb different rates of thermal expansion and contraction when joining mismatching substrates, making it the industry standard choice for vehicle panel lamination, commercial machinery skinning, and medium-load vibration dampening.
Key Features & B2B Benefits
For transportation engineers, commercial fabricators, and manufacturing managers, 3M™ VHB™ 4930 delivers a reliable, vibration-dampening joint that accommodates dynamic movement without sacrificing bond strength:
0.64mm Calibrated Gauge
Occupies the ideal mechanical sweet spot. It offers optimized flexibility for close-tolerance industrial joints, successfully blending thin-line profile clearance with heavy structural holding power.
01
Thermal Expansion Accommodation
Specially optimized for multi-material joining. The viscoelastic foam core allows mismatching substrates, like aluminum sheets and polycarbonate frames, to expand and contract naturally across extreme temperature fluctuations without stress fatigue.
02
Continuous Shock Absorption
The high-density acrylic foam matrix functions as a resilient damping barrier. It continuously absorbs machine-room vibrations, heavy mechanical harmonic resonances, and highway travel shocks, safeguarding delicate inner components.
03
Unified Stress Distribution
By replacing mechanical fasteners, it eliminates the concentrated point-loading common with rivets and screws. It spreads dynamic pulling and wind shear forces evenly along the full length of the joint, preventing metal dimpling and structural deformation.
04
Technical Specifications
|
Adhesive Type |
Acrylic |
|
Application |
Decorative Appliance Trim Attachment |
|
Brands |
VHB™ |
|
Core Size (Imperial) |
3 in |
|
Foam Type |
Firm |
|
Indoor/Outdoor |
Indoor/Outdoor |
|
Industries |
Appliance, General Industrial, Metalworking, Signage, Transportation |
|
Maximum Operating Temperature (Celsius) |
149 ℃ |
|
Maximum Operating Temperature (Fahrenheit) |
300 ℉ |
|
Product Color |
White |
Primary Industrial Lamination Fields
Vehicle Panel & Skin Lamination: Adhering interior structural aluminum skins, ceiling panels, and composite wall liner boards onto steel or aluminum frames in buses, ambulances, and railcars.
Cold-Rolled Aluminum Panel Assembly: Splicing and mounting pre-painted cold-rolled aluminum sheets within commercial architectural structures and ventilation enclosures where weld marks are unacceptable.
Medium-Load Vibration Dampening: Securing component brackets, housing shells, and internal control boxes on equipment subjected to continuous operational vibrations.
Electronic Appliance Stiffeners: Bonding interior reinforcing ribs, hat channels, and stiffener profiles onto the back sides of metal washing machine faces, industrial dryers, and commercial refrigeration casings.
Converting/ Customization
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Rolls & Sheets Supply
We offer a wide range of adhesive tape rolls and sheets to meet different thickness and width requirements.
Supports large-volume standard rolls as well as small-batch sheets cut to customer specifications
Size & Shape Customization
Customizable length, width, thickness, and special shapes according to customer needs.
Supports various die-cut shapes, including round, square, and irregular forms, flexibly adapting to different applications.
Professional Converting Services
Provides die-cutting, lamination, punching, and multi-layer processing.
Capable of multi-layer material combining to achieve functional or structural requirements.
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