Applications

Devcon® Tru-Bond™ PSA 2500

Brand: Devcon®

Package Sizes:

  • 30 mL Bottle
  • 1 Liter Bottle

Shelf Life:

  • 24 months

Product Description:

Devcon® Tru-Bond™ PSA 2500 is a high-tack, one-part, solventless pressure-sensitive adhesive (PSA) that cures to a tacky state upon exposure to UV/Visible light. It is designed for bonding a wide range of substrates, including PE, PP, PET, TPU, plastics, metals, glass, and ceramics. This adhesive can be cured before assembly or directly through clear or translucent surfaces, allowing for flexible bonding schedules. It can be applied via spraying, roll coating, bead application, brushing, screen printing, or flexographic printing.


Key Features:

Versatile Adhesion: Bonds effectively to a wide range of materials, including hard-to-bond plastics like PE and PP.
Flexible Application Methods: Compatible with spray, roll coat, bead, brush, screen print, and flexographic printing.
Cold Temperature Performance: Maintains adhesion at temperatures as low as -40°F (-40°C).
High Tack Strength: Provides excellent adhesion for pressure-sensitive applications.
Solvent-Free Composition: Low VOC, environmentally friendly adhesive​.


Recommended Applications:

🔹 Plastic Assembly: Ideal for bonding various plastic components in industrial manufacturing.
🔹 Automotive Interiors: Used in bonding trim, interior panels, and other plastic parts.
🔹 Electronics: Suitable for securing components inside electronic devices.
🔹 Labels & Graphics: Provides high-tack adhesion for decals, labels, and overlays.

Typical Uncured Physical Properties:

Property Value
Chemical Class Acrylic
Appearance Clear Liquid
Viscosity @ 25°C 2,500 cP
Specific Gravity @ 25°C 1.03
Non-Volatile Materials >99%
VOC Content <1%
Flashpoint >212°F (100°C)

Cure Profile at Different Light Intensities:

Light Source Irradiance (mW/cm²) Fixture Time (Sec.) Tack-Free Time (Sec.)
Fusion® D bulb 100 <1 <4
Uvitron PortaRay 400R 250 <2 N/A
Depth of Cure Irradiance (mW/cm²) Exposure Time (Sec.) Cure Depth (in/mm)
400W Metal Halide Bulb 20 30 0.118 in (3 mm)

Typical Cured Physical Properties:

Property Value Standard Test
Color Clear
Refractive Index 1.50 ASTM D542
Water Absorption (24 hrs.) 1.5% ASTM D570
Boiling Water Absorption (2 hrs.) 1.4% ASTM D570
Shore Hardness <000 61
Service Temperature -40°F to 200°F (-40°C to 93°C)

Adhesive Strength Development:

| Dwell Time & Temperature | Peel Strength (lbs/inch) | (N/25mm) |
|——————————|—————————-|
| 15 min at Room Temperature | 5.6 (24.9) |
| 72 hr at Room Temperature | 7.2 (32.0) |
| 72 hr at 158°F (70°C) | 8.0 (35.6) |
| 7 Days at Room Temperature | 9.7 (43.1) |


Performance Characteristics:

  • Fast & Reliable Cure: Cures in <1 second with Fusion® D bulb.
  • High Tack Adhesion: Strong pressure-sensitive adhesion for various substrates.
  • Cold & Heat Resistant: Withstands low and high temperatures for durable adhesion.
  • Solvent-Free & Low VOC: Eco-friendly formulation with minimal emissions​.

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