Transparent VHB Acrylic Tape (Direct Alternative for 3M VHB 4905) | 0.5mm Crystal Clear Double-Sided Structural Tape - STK Tape
STK Tape's 0.5mm Clear Structural Acrylic Tape is a crystal-clear, high-strength double-sided bonding matrix engineered by STK Tape as a direct, high-performance alternative to 3M VHB Tape 4905. Manufactured with a 100% solid, pressure-sensitive clear acrylic chemistry, this Transparent VHB tape creates an virtually invisible structural seal when joining glass, clear acrylic (PMMA), polycarbonate (PC), and polished metal surfaces.
In high-end architectural glazing, backlit sign manufacturing, electronic display mounting, and glass furniture assembly, traditional mechanical fasteners, rivets, or opaque white foam tapes create unsightly dark shadows and mar optical clarity. STK's alternative to 3M 4905 provides a completely transparent bond line that allows light to pass through seamlessly. It absorbs dynamic thermal expansion, dampens vibration, and delivers long-term UV resistance without turning yellow, cloudy, or brittle under sun exposure.
Industry Solutions
Choose the plan that suits you best.
100% Optical Clarity (Invisible Bond Line
Crystal-clear solid acrylic formulation disappears completely between glass or clear plastic substrates, delivering a clean, rimless aesthetic for premium signage and displays.
01
Non-Yellowing UV & Weather Resistance
Resists yellowing, hazing, and cracking caused by prolonged sunlight exposure, high humidity, or temperature spikes up to 150°C.
02
Ultra-Thin 0.5mm Micro-Gap Profile
Calibrated 0.5mm (20 mil) thickness accommodates tight joint tolerances while providing enough viscoelastic elasticity to compensate for thermal expansion differences.
03
Bubble-Free Stress Distribution
Viscoelastic solid acrylic core flows evenly into micro-surface irregularities, creating a continuous 100% watertight and air-tight seal across the entire joint.
04
TDS
|
Technical Dimension |
STK Equivalent Model |
3M™ Reference Model |
Standard Profile Specs |
|
Product Grade Match |
STK-VHB 4905-ALT |
3M™ VHB™ Tape 4905 |
0.5 mm Crystal Clear Solid Acrylic |
|
Tape Core Chemistry |
Transparent VHB Solid Acrylic |
Clear Solid Acrylic |
100% Clear Acrylic Matrix |
|
Nominal Thickness |
0.5 mm (0.020 in / 20 mil) |
0.5 mm (0.020 in) |
Ultra-thin profile |
|
Optical Transparency |
≥98% Light Transmission |
High Transparency |
- |
|
Short-Term Heat Peak |
150°C (300°F) |
149°C (300°F) |
- |
|
Long-Term Heat Limit |
90°C (195°F) Continuous |
93°C (200°F) Continuous |
- |
|
Release Liner Type |
Red PE Film with STK Branding |
Red Printed PE Film |
- |
Common High-Aesthetic Applications
Architectural Glass & Partition Bonding
Joining glass-to-glass seams, skylight panels, and glass office partitions with invisible, watertight bond lines.
Illuminated LED Signage & Light Boxes
Mounting clear acrylic letters, push-thru sign faces, and backlit diffuser panels without shadow lines.
Commercial Display Cases & Glass Furniture
Assembling glass showcases, retail display shelves, and acrylic stands without visible glue marks or screws.
Electronic Touchscreens & Sensor Lens Fixing
Micro-gap structural mounting of glass touch panels, optical lenses, and protective bezels in smart appliances.
STK Custom Conversion & Direct Factory Supply
Cleanroom Precision Slitting (Custom Widths)
We slit master jumbo logs inside cleanroom facilities into precise custom roll widths (e.g., 6mm, 9mm, 12mm, 19mm, 25mm, or custom millimeter sizes) with dust-free edges.
Custom Precision Die-Cut Gaskets & Strips
Need pre-cut clear window frames, circular pads, or intricate shapes for display mounting? Send us your CAD drawings (DXF/DWG/PDF) for precision stamped clear gaskets on rolls or sheets with extended pull-tabs.
Direct Factory B2B Contract Pricing
Eliminate regional trading markups. STK Tape supports high-volume glass fabricators, signage OEMs, and industrial distributors with direct-factory bulk pricing tiers.
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