Permabond UV648 UV glue thick slow-flow gap filling clear transparent plastic bonding

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SKU: PBND_UV648_050ML_BTL
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Regular price $48.00 CAD
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PERMABOND UV648 is a UV-curing adhesive developed for use on plastics. It has superb adhesion to acrylic and contains a long-wavelength photo initiator to allow it to cure through UV-stabilised plastics. This adhesive can also be used to bond glass, metals and other materials. UV648 cures to give a colourless bond so is ideal for applications where aesthetic appearance is vitally important.

Features & Benefits
  • Cure on demand
  • Non-drip
  • High shear strength
  • Fast curing with low-power lamps
  • 100% solids, no solvents
  • Excellent adhesion to plastics

Physical Properties of Uncured Adhesive

Chemical Composition Urethane methacrylate
Viscosity @ 25°C

20rpm: 20,000-40,000 mPa.s (cP)
2.5rpm: 120,000-180,000 mPa.s (cP)

Specific Gravity 1.1

Performance Characteristics

UV Curing Wavelength

365 - 420 nm

UV Curing Time (by strength of light)

Low power 4mW/cm² battery lamp: 10 secs
LED 100mW/cm² lamp: 4 secs
UV light guide 30W/cm²: 2 sec

Tensile Strength

1600psi (11 N/mm^2)

Shear Strength

Polycarbonate >7 N/mm² (>1000 psi)*
Acrylic >4 N/mm² (>600 psi)
PET >4 N/mm² (>600 psi)*

Glass to Steel: 900psi to 1000psi 6 to 7 N/mm²)

Temperature Resistance

212f (100C) 60% strength

302f (150C) 18% strength

Appearance

High Clarity, Colorless, Optically Clear, Transparent

Elongation (ISO37)

>70%

Hardness (ISO868)

50 to 65 Shore D


*The cure time depends on the power of the UV lamp, its spectral output, the distance between the lamp and the components, and the transmission characteristics of the substrates.
**LED UV lamps have a narrow range of spectral output. It is important to check suitability with Permabond in order to match the LED lamp’s peak wavelength with that of the adhesive’s photoinitiator to ensure optimal adhesive cure.