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Thermal Management

TECHNOMELT AS 8998 (e) – Peelable hot melt adhesive for masking during conformal coating applications

  • Item Name: TECHNOMELT AS 8998 (e)
  • Manufacturer: Henkel
  • Product Category: Hot Melt Adhesive
  • Technologies: Polyolefin, One-component, Thermoplastic
  • Applications: Masking for conformal coating protection
  • Color: Slightly yellow
  • Cure Type: Physical setting
  • Package Size: Contact Techniq VN for details.
  • Shelf Life: Contact Techniq VN for details.

1. Product Overview

TECHNOMELT AS 8998 (e) is a silicone-free, halogen-free, RoHS-compliant hot melt polyolefin designed for masking applications in conformal coating processes. It offers:

  • Easily peelable without residues
  • Zero outgassing at 100°C
  • Fast processing with 100% solid content
  • Good resistance to conformal coating ingression
  • No additional curing required (solidifies upon cooling)

2. Applications

  • Masking off areas before conformal coating
  • Suitable for use in electronics manufacturing
  • Compatible with most industry conformal coatings

3. Typical Properties

Physical Properties

Property Value
Softening Point 100°C
Melting Viscosity (163°C) 3,450 mPa·s (cP)
Hardness Shore 10A
Tensile Modulus 0.113 N/mm²
Elongation at Break 733%
Weight Loss (60 min @ 110°C) 0.1%

Electrical Properties

Property Result
Surface Insulation Resistance (IPC-TM-650-2.6.3.7) Pass

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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