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TECHNOMELT® PA 678 BLACK (Macromelt OM 678) – Polyamide hot melt adhesive for molding and encapsulation applications

  • Item Name: TECHNOMELT PA 678 BLACK (Macromelt OM 678)
  • Manufacturer: Henkel
  • Product Category: Hotmelt Adhesive
  • Technologies: Polyamide, Thermoplastic, One-component
  • Applications: Molding applications
  • Color: Black
  • Cure Type: Physical setting
  • Package Size: Contact Techniq VN for details.
  • Shelf Life: 24 months

1. Product Overview

  • Technology: Polyamide
  • Product Type: Hotmelt
  • Cure: Physical setting
  • Condition: Thermoplastic
  • Components: One-component
  • Application: Molding
  • Color: Black

2. Applications

  • Used for molding applications, particularly in environments requiring durability, flexibility, and thermal resistance.

3. Typical Properties

Property Value Test Method
Density (20°C) 0.98 g/cm³ ISO 1183-1
Softening Point 182 – 192°C ASTM E28 (in glycerine)
Melting Viscosity at 210°C 2,500 – 4,000 mPas ASTM D 3236
Melting Viscosity at 220°C 2,500 mPas ASTM D 3236
Melting Viscosity at 230°C 1,900 mPas ASTM D 3236
Shore A Hardness 90 ISO 868/15s
Yield Strength 5.1 N/mm² ISO 527 (50 mm/min)
Break Strength 5.5 N/mm² ISO 527 (50 mm/min)
Elongation at Break 400% ISO 527 (50 mm/min)
Temperature Creep Resistance 160°C Henkel Method MH 11
Glass Transition Temperature -45°C DSC (2nd Run)
Low Temperature Flexibility -40°C ASTM D 3111
Flammability V-0 UL 94
Working Temperature -40°C to 140°C (varies by application)

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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