Applications

Accessories
Adhesives
Cleaners
Equipment
Lubricants
Others
Primer, Activator
Solder Materials
Solvent
Tapes
Technology
Thermal Management

LOCTITE® ABLESTIK QMI529HT – Conductive die-attach adhesive for bonding ICs to metal substrates in electronics manufacturing

  • Item Name: LOCTITE ABLESTIK QMI529HT
  • Manufacturer: Henkel
  • Product Category: Die attach adhesive (paste)
  • Technologies: BMI/Acrylate with silver filler
  • Applications: Die attach for IC and component attach on copper, silver-plated copper, preplated leadframes (Ni/Pd/Au), and Alloy 42
  • Color: Silver
  • Cure Type: Heat cure
  • Package Size: Contact Techniq VN for details.
  • Shelf Life: 1 year

1. Product Overview

  • Technology: BMI/Acrylate
  • Appearance: Silver
  • Filler Type: Silver
  • Cure Method: Heat cure
  • Key Benefits:
    • Excellent electrical & thermal conductivity
    • Hydrophobic & stable at high temperatures
    • High resistance to delamination & humidity
    • Void-free bondline, strong adhesion
    • Good resistance to “popcorning” after reflow

2. Applications

  • Primary Use: Die attach for IC and component assembly
  • Compatible Surfaces: Copper, silver-plated copper, pre-plated leadframes (Ni/Pd/Au), Alloy 42
  • Designed as: Soft-solder replacement or for high UPH (Units Per Hour) applications

3. Typical Properties

Property Value
Uncured Properties
Viscosity (5 rpm @ 25°C) 18,500 cP
Thixotropic Index 4.8
Specific Gravity 4.1
Pot Life (@ 25°C) 24 hours
Shelf Life (@ -40°C) 365 days
Curing Performance
Snap Cure (Single Zone) 60 sec @ 185°C
Alternate Snap Cure 170-200°C for 70 sec (7-zone profile)
Oven Cure 30 min @ 185°C / 30 min @ 200-220°C (for higher adhesion)
Cured Properties
Coefficient of Thermal Expansion (CTE) 53 ppm/°C (below Tg), 156 ppm/°C (above Tg)
Glass Transition Temperature (Tg) 3.3°C
Thermal Conductivity 6.5 W/(m·K)
Tensile Modulus (@ 25°C) 3,300 N/mm² (478,500 psi)
Extractable Ionic Content (ppm) Cl-, K+, Na+, F- ≤ 20 ppm
Electrical Properties
Volume Resistivity 4 × 10⁻⁵ ohm-cm
Performance
Die Shear Strength (300×300 mil die on Ag/Cu LF) 57 kg-f (@ 25°C), 21 kg-f (@ 245°C)

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.

RELATED PRODUCT

Contact Technical Support

Leave your information or connect via Hotline, and our expert team will reach out immediately to provide professional consultation and customized solutions.

(+84) 889 901 929

Email: info@techniq.vn

Our Technical Support Team is on hand from 8:30 AM to 5:30 PM (GMT+7).

For requests outside these hours, please submit your request form and we will respond at the earliest opportunity.