Applications

TECHNOMELT PA 678

  • Item Name: TECHNOMELT PA 678 (e)
  • Manufacturer: Henkel
  • Product Category: Molding Compound (Thermoplastic Polyamide)
  • Technologies: Low-pressure molding, thermoplastic encapsulation
  • Applications: Encapsulation of fragile components, environmental protection
  • Color: Black
  • Cure Type: Thermoplastic (Melt and re-solidify)
  • Package Size: Contact Avantek for details.
  • Shelf Life: Contact Avantek for details.

1. Product Overview

TECHNOMELT PA 678 (e) is a high-performance thermoplastic polyamide designed for low-pressure molding applications. It features:

  • Easy moldability
  • Good adhesion to various substrates
  • Excellent moisture and environmental resistance
  • Simplified process flow
  • Non-toxic fumes during processing
  • Wide temperature performance range (-40°C to +140°C)

2. Applications

  • Encapsulation of fragile components
  • Molding compound for electronics and other thermoplastic applications

3. Typical Properties

Liquid-State Properties
Property Value
Viscosity @ 210°C 3,400 mPa∙s (cP)
Density 0.98 g/cm³
Softening Point 187°C
Processing Data
Property Recommended Range
Molding Temperature 210°C – 240°C
Solid-State Properties

Physical Properties

Property Value
Glass Transition Temperature (Tg) -50°C
Thermal Conductivity 0.15 W/m-°C
Shore Hardness 88 (Shore A)
Elongation at Break 400%

Electrical Properties

Property Value
Dielectric Strength >20 kV/mm
Volume Resistivity 1.9 × 10¹² ohms-cm
Comparative Tracking Index (IEC 60112) 600V

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