Fasto UV52 - UV Adhesives

Fasto UV52 – High Performance UV Curable Adhesive

Fasto UV52 is a single-component, high-performance, medium-high viscosity UV-curable adhesive formulated for glass-to-glass and glass-to-metal bonding. It cures rapidly on exposure to UV light, forming a clear, tough polymer bond with excellent optical clarity and durability.

Designed for applications requiring fast setting, high strength, and resistance to water and solvents, Fasto UV52 is widely used across industrial, pharmaceutical, signage, furniture, jewellery, and precision assembly sectors.

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Key Features

  • UV Light Curing (≈365 nm)
    Rapid curing when exposed to UV radiation.
  • Medium-High Viscosity (~6,500 cPs)
    Controlled flow for precise bonding without excessive run-off.
  • Crystal Clear Bond Line
    Maintains optical clarity after curing.
  • High Mechanical Strength
    Tensile strength up to 13 N/mm².
  • Excellent Temperature Resistance
    Service range from -50°C to +130°C (continuous).
  • Good Chemical & Solvent Resistance
    Resistant to oils, alcohols, water, glycols, and common solvents.

Benefits

  • Produces strong, transparent bonds for aesthetic assemblies
  • Enables high-speed production with very fast fixture time
  • Enhances durability of glass and metal joints
  • Suitable for precision and decorative bonding
  • Reduces rework due to clean curing and high bond reliability
Primary Application Sub-Applications Functional Purpose Key Performance Advantage
Glass-to-Glass Structural Bonding Glass panels, precision glass joints High-strength transparent bonding Rapid UV cure, tough cured polymer
Glass-to-Metal Bonding Glass fixtures, engineered joints Secure bonding of dissimilar substrates High bond strength with optical clarity
Industrial Glass Assembly Machinery glass parts, equipment covers Durable bonding under service conditions Medium–high viscosity for controlled application
Signage & Display Bonding Sign boards, illuminated displays Clean, aesthetic joints Fast setting, excellent transparency
Furniture Glass Assembly Tables, shelves, architectural glass Strong bonding without mechanical fasteners High hardness, water & solvent resistance
Jewellery & Decorative Assembly Glass ornaments, decorative components Precise, invisible bonding Rapid fixture time, clear bond line
High-Accuracy Manufacturing Processes Assemblies requiring positioning before cure On-demand curing after alignment UV-activated curing with fast surface set

Surface Preparation

  • Ensure all bonding surfaces are clean, dry, and free from oil, grease, dust, and contaminants.

  • Protect the adhesive from unintended UV exposure (sunlight or artificial UV sources) before curing.

Application Method

  1. Apply Fasto UV52 to one bonding surface only.

  2. Assemble parts accurately and ensure proper alignment.

  3. Expose the bond line to UV light ensuring full exposure of the joint area.

  4. Cure using a UV lamp for controlled and consistent results.

Curing Guidelines

  • Fixture time (glass slide test):
    • <10 seconds @ 10 mW/cm²
    • <3 seconds @ 30 mW/cm²
  • Surface dry-to-touch time:
    • <3 seconds @ 30 mW/cm²
  • Typical depth of cure: up to ~3 mm
  • Designed for close-fitting glass and metal joints

Additional Notes

  • Sunlight can cure the adhesive, but UV lamps are recommended for speed and consistency.
  • Dispensing systems should use black, UV-opaque tubing to prevent premature curing.

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