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LOCTITE® AA 3525™ – Adhesive – Industrial Applications

  • Item Name: LOCTITE® AA 3525™
  • Manufacturer: Henkel
  • Technologies: Modified Acrylic
  • Color: Transparent
  • Cure Type: Ultraviolet (UV) / Visible Light
  • Package Size: Contact to Techniq VN for details.
  • Shelf Life: Contact to Techniq VN for details.

1. Product Overview

LOCTITE® AA 3525™ is a one-component, UV/visible light-curable modified acrylic adhesive. It offers high-speed curing, excellent flexibility, toughness, and durability against moisture. It forms clear, colorless bonds and is suitable for bonding glass, metals, and plastics in industrial applications, including electric motor balancing.


2. Applications

  • Bonding a wide variety of materials (glass, metals, plastics).
  • Used in industrial bonding applications.
  • Suitable for electric motor balancing applications.

3. Typical Properties

Uncured Properties

Property Value
Appearance Transparent liquid
Specific Gravity @ 25°C 1.08
Viscosity @ 25°C (mPa·s) 15,250
Fluorescence Positive under UV light

Curing Performance

Cure Condition Fixture Time (seconds) Tack-Free Time (seconds)
LED flood light (100 mW/cm² @ 405 nm) 5 25
LED flood light (1000 mW/cm² @ 405 nm) 8
LED flood light (100 mW/cm² @ 365 nm) 5 60
LED flood light (1000 mW/cm² @ 365 nm) 55
Zeta® 7200 (50 mW/cm² @ 365 nm) 12
Zeta® 7400 (50 mW/cm² @ 365 nm) 5

Cured Properties

Property Value
Shore Hardness (Durometer D) 60
Refractive Index 1.51
Elongation at Break (%) 260
Tensile Strength (N/mm² / psi) 24 / 3,500
Tensile Modulus (N/mm² / psi) 175 / 25,000
Glass Transition Temperature (°C) 50

Adhesive Strength on Various Substrates

Substrate Strength (N/mm² / psi)
Glass (0 gap) 4.7 / 700
Glass (0.5 mm gap) 5 / 725
ABS to Glass 3.6 / 520
Acrylic to Glass 4.3 / 630
Aluminum to Glass 9.8 / 1,420
G-10 Epoxyglass to Glass 8.6 / 1,250
Polycarbonate to Glass 7.7 / 1,110
PVC to Glass 7.1 / 1,030
Steel to Glass 10.2 / 1,480

Environmental Resistance

Test Condition % of Initial Strength
Humidity Resistance (49°C, 2 weeks) – ABS to Glass 120%
Humidity Resistance (49°C, 4 weeks) – ABS to Glass 115%
Heat Aging (121°C, 6 weeks) – Aluminum to Glass 115%
Heat Aging (149°C, 6 weeks) – Aluminum to Glass 80%

BERGQUIST microTIM mTIM 1028 Thermal Interface Coating High performance thermal management solution for nickel finished heat sinks, optical transceivers, and data center liquid cooling systems

BERGQUIST microTIM mTIM 1028 is purpose built for riding cage assemblies in servers, switches, and routers, interfacing with electroless nickel plated copper or aluminum heat sinks. It ensures stable operation in high power transceiver modules while also extending applicability to liquid cooling components, heat pipes, and fin based dissipative structures.

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