Applications

Devcon® Tru-Bond™ PSA 750

Brand: Devcon®

Package Sizes:

  • 30 mL Bottle
  • 1 Liter Bottle

Shelf Life:

  • 24 months

Product Description:

Devcon® Tru-Bond™ PSA 750 is a high-tack, one-part, solventless pressure-sensitive adhesive (PSA) that cures to a tacky state upon exposure to UV/Visible light. It can be applied directly through clear or translucent surfaces or pre-cured before assembly, allowing for flexible bonding schedules. This adhesive effectively bonds a wide range of substrates, including polyethylene (PE), polypropylene (PP), polyethylene terephthalate (PET), thermoplastic polyurethane (TPU), and most plastics, metals, glass, and ceramics. It is suitable for various application methods such as spraying, roll coating, bead or brush application, screen printing, or flexographic printing processes. Additionally, it performs well in cold temperature attachments down to -12°C (10°F).


Key Features:

  • Versatile Adhesion: Bonds effectively to a wide range of substrates, including difficult-to-bond materials like PE and PP.
  • Flexible Application Methods: Can be applied via spraying, roll coating, brushing, bead application, screen printing, or flexographic printing.
  • Cold Temperature Performance: Maintains adhesive properties in temperatures as low as -12°C (10°F).
  • Regional Availability: Offered exclusively in North and South America.

Recommended Applications:

  • Plastic Assembly: Ideal for bonding various plastic components in manufacturing and assembly processes.
  • Signs and Displays: Suitable for assembling signage and display units where strong adhesion and clarity are essential.
  • Automotive Interiors: Used in bonding interior components that require durable adhesion under varying temperatures.
  • Electronics: Applicable in securing components within electronic devices, ensuring reliable performance.

Typical Uncured Physical Properties:

Property Value
Chemical Class Acrylic
Appearance Clear Liquid
Viscosity @ 25°C 750 cP
Specific Gravity @ 25°C 1.0
Non-Volatile Materials >99%
VOC Content <1%
Flashpoint >100°C (>212°F)

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
Optical Clarity >98%
Tensile Strength 511 psi (3.5 MPa) ASTM D882
Elongation at Break 348% ASTM D882
Modulus of Elasticity 496 psi (3.4 MPa) ASTM D882
Volume Shrinkage 7.41%
Lineal Shrinkage 1.9%
Water Absorption (24 hrs.) 1.93% ASTM D570
Boiling Water Absorption (2 hrs.) 1.40% ASTM D570
Shore Hardness <000 61
Service Temperature Range -40°F to 200°F (-40°C to 93°C)

Performance Characteristics:

  • Fast & Reliable Cure: Achieves curing in as fast as <1 second with Fusion® D bulb.
  • High Tack Adhesion: Provides strong initial tack and adhesion strength suitable for various substrates.
  • Solventless Composition: Environmentally friendly formulation with minimal VOC content.
  • Moisture & Chemical Resistance: Withstands various environmental conditions, ensuring durable bonds.

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