Applications

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)

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