Applications

Devcon® Tru-Bond™ PB 3500

Brand: Devcon®

Package Sizes:

  • 30 mL Bottle
  • 1 Liter Bottle

Shelf Life:

  • 24 months

Product Description:

Devcon® Tru-Bond™ PB 3500 is a UV/Visible light-curable adhesive designed for bonding a wide range of plastics, including ABS, polycarbonate, PET, PETG, flexible vinyl, urethanes, and acrylics. It forms a flexible, resilient polymer with outstanding impact resistance and flexibility. This adhesive can cure through most translucent substrates and UV-blocked plastics. It is available exclusively in North and South America.


Key Features:

  • Versatile Plastic Bonding: Effectively bonds various plastics such as ABS, polycarbonate, PET, PETG, flexible vinyl, urethanes, and acrylics.
  • Flexible and Resilient: Forms a polymer that offers excellent impact resistance and flexibility.
  • Efficient Curing: Cures through most translucent and UV-blocked plastics using UV/Visible light.
  • Regional Availability: Offered exclusively in North and South America.

Recommended Applications:

  • Plastic Assembly: Ideal for bonding components made from various plastics in manufacturing and assembly processes.
  • Electronics: Suitable for securing plastic parts in electronic devices where flexibility and impact resistance are crucial.
  • Automotive: Used in bonding interior and exterior plastic components requiring durable and resilient adhesion.
  • Consumer Goods: Applicable in the assembly of plastic products such as appliances, toys, and household items.

Typical Uncured Physical Properties:

Property Value
Chemical Class Urethane Acrylate
Appearance Clear Liquid
Viscosity @ 25°C 3,500 cP (Low)
Specific Gravity @ 25°C 1.0
Non-Volatile Materials >99%
VOC Content <1%
Flashpoint >171°F (77°C)

Cure Profile at Different Light Intensities:

Light Source Irradiance (mW/cm²) Fixture Time (Sec.) Tack-Free Time (Sec.)
CT 100 20 <5 N/A
Fusion® D bulb 1,000 <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 480 psi (3.3 MPa) ASTM D882
Elongation at Break 325% ASTM D882
Modulus of Elasticity 580 psi (4.0 MPa) ASTM D882
Volume Shrinkage 9.00%
Lineal Shrinkage 2.1%
Water Absorption (24 hrs.) 5.0% ASTM D570
Boiling Water Absorption (2 hrs.) 2.6% ASTM D570
Shore Hardness 50D
Service Temperature -65°F to 300°F (-54°C to 149°C)

Adhesive Lap Shear Strength:

Substrate Lap Shear Strength (psi/MPa)
Acrylic 613 psi (4.2 MPa)
PETG 572 psi (3.9 MPa)
Polycarbonate 968 psi (6.6 MPa)

Performance Characteristics:

  • Fast & Reliable Cure: Achieves curing in as fast as <1 second with Fusion® D bulb.
  • Flexible & Impact Resistant: Provides high flexibility and shock absorption for plastic bonding.
  • Excellent Optical Clarity: Ensures >98% light transmission, suitable for transparent plastic bonding.
  • Moisture & Chemical Resistance: Withstands various environmental conditions.

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