Henkel Technomelt PA 657 Black Encapsulation Hot Melt

Also known as Macromelt OM 657

SKU: HENKEL-251715

Manufacturer Part #: 251715

UPC: 7798063669854


Price:
Sale price$1,470.00
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Product Highlights

  • Brand: Henkel
  • Adhesive Type: Bulk Hot Melt
  • Contact Us with Questions

Henkel Technomelt PA 657 Black Encapsulation Hot Melt Overview

Henkel Technomelt PA 657 is a high-performance thermoplastic polyamide designed to meet low-pressure molding process requirements. This product can be processed at a low processing pressure due to its low viscosity, allowing the encapsulation of fragile components without damage. This material produces no toxic fumes and provides a good balance of low and high-temperature performance.

Features and Benefits

  • Easy moldability
  • Good adhesion to a variety of substrates
  • Cold temperature flexibility
  • Excellent moisture resistance

Specifications

  • Series: Technomelt PA 657 Black
  • Type: Hot Melt Adhesive
  • Application: Molding
  • Chemistry: Polyamide
  • Components: One-Component
  • Cure: Physical Setting
  • Appearance: Black
  • Molding Temperature: 356°F to 446°F (180°C to 230°C)
  • Operating Temperature Range: -40°F to 212°F (-40°C to 100°C)
  • Softening Point: 302°F to 329°F (150°C to 165°C)
  • Melting Viscosity:
    • Approx. 8,600 cps @ 356°F (180°C)
    • Approx. 6,500 cps @ 374°F (190°C)
    • Approx. 4,900 cps @ 392°F (200°C)
    • Approx. 3,000 cps to 4,500 cps @ 410°F (210°C)
  • Specific Gravity @ 68°F (20°C): 0.98 g/cm³
  • Shore A Hardness: 77
  • Yield Strength: 375 psi (2.6 N/mm²)
  • Break Strength: 390 psi (2.7 N/mm²)
  • Elongation: 350%
  • Temperature Creep Resistance: 257°F (125°C)
  • Low Temperature Flexibility: -58°F (-50°C)
  • Water Absorption (1 Day) 1.4% @ (23°C)
  • Glass Transition Temperature (Tg) -49°F (-45°C)

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