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Thermal Management

LOCTITE® ABLESTIK NCA 9300UV – UV curable non-conductive adhesive for die attach in optoelectronic and semiconductor devices

  • Item Name: LOCTITE ABLESTIK NCA 9300UV
  • Manufacturer: Henkel
  • Product Category: Non-conductive adhesive
  • Technologies: Acrylate-based, UV-curable, one-component
  • Applications: Disk drive assembly, conformal coating, component tracking
  • Color: Opaque, slightly colored
  • Cure Type: UV cure (primary), thermal cure (secondary)
  • Package Size: Contact Techniq VN for details.
  • Shelf Life: 6 months (at 10°C)

1. Product Overview

LOCTITE ABLESTIK NCA 9300UV is a single-component, UV-curable acrylate adhesive designed for disk drive assembly applications such as conformal coating and component tracking. It also has a secondary thermal cure mechanism for shadowed areas.

2. Applications

  • Disk drive assembly
  • Conformal coating
  • Component tracking

3. Typical Properties

Uncured Properties

Property Value
Appearance Opaque, slightly colored liquid gel
Viscosity @ 25°C (Brookfield HA, Spindle 5, 5 rpm) 70,000 mPa·s (cP)
Viscosity @ 25°C (Cone & Plate, 3º x R14, 5 rpm) 20,000 mPa·s (cP)
Thixotropic Index (0.5/5 rpm) 3
Shelf Life @ 10°C 180 days

Curing Performance

Cure Type Conditions
UV Cure Irradiance: >50 mW/cm² (365 nm)
Fixture Time 1 second
Tack-Free Time 5 seconds
Secondary Thermal Cure 1 hour @ 100°C or 2 hours @ 85°C
Depth of Cure 2 mm

Cured Properties

Property Value
Hardness (Shore D) 86

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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