Applications

LOCTITE® 322

  • Item Name: LOCTITE® 322
  • Manufacturer: Henkel
  • Product Category: Acrylic Adhesive
  • Instant Adhesives: No
  • Technologies: UV-Curing Acrylic
  • Applications: Bonding clear plastic to metal
  • Color: Transparent pale yellow
  • Cure Type: Ultraviolet (UV) light cure
  • Package Size: Contact Avantek for details.
  • Shelf Life: Contact Avantek for details.
  • Mã sản phẩm: LOCTITE AA 320
  • Nhà sản xuất: Henkel
  • Quy cách đóng gói: 250 mL
  • Thời hạn sử dụng: 1 năm

1. Product Overview

LOCTITE 322 is a one-component, medium-viscosity acrylic adhesive that cures rapidly under UV light exposure. It is designed for high-speed production environments and provides excellent bonding strength for clear plastic-to-metal applications. It is ISO 10993 certified for medical device applications.

2. Applications

  • Bonding clear plastics to metal
  • Medical device assembly
  • Electronics and optical component bonding
  • Industrial manufacturing requiring high-speed curing

3. Typical Properties

Uncured State

Property Value Test Method
Chemical Type Acrylate
Appearance Transparent pale yellow liquid
Specific Gravity @ 25°C 1.0
Viscosity (Spindle 5, 20 rpm) 4,200 – 7,000 mPa·s (cP) Brookfield RVT
Flash Point See SDS

Cured State

Property Value Test Method
Coefficient of Thermal Expansion 80 × 10⁻⁶ K⁻¹ ISO 11359-2
Thermal Conductivity 0.1 W/(m·K) ISO 8302
Glass Transition Temperature 45°C ASTM E 228
Shore Hardness 68 (Durometer D) ISO 868
Shrinkage 8%
Elongation at Break 160% ISO 527-3
Tensile Strength at Break 9 N/mm² (1,305 psi) ISO 527-3
Tensile Modulus 420 N/mm² (61,000 psi) ISO 527-3
UV Depth of Cure (30 sec @ 100 mW/cm²) >0.9 mm

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