Applications

Bostik Thermelt 892 Black Polyamide Hot Melt Resin

Brand: Bostik
Product Number: Thermelt 892 Black
Technology: Polyamide Hot Melt Resin
Color: Black
Cure Type: Low-Pressure Molding
Package Size: 20Kg bag (pellets)
Shelf Life: Contact us for details.

Product Description

Bostik Thermelt 892 Black is a pure copolymer polyamide hot melt resin, designed for low-pressure molding applications. It is non-reactive, solvent-free, and formulated for molding electronic/electrical components, connectors, and cables. The adhesive provides high strength and hardness while maintaining flame retardancy (UL94 V-0, UL file E116659).

Key Features

  • High strength and hardness
  • Flame retardant (UL94 V-0 certified)
  • Solvent-free, non-reactive formulation
  • Designed for electronic/electrical molding applications

Recommended Applications

  • Encapsulation of electronic/electric components
  • Molding of connectors and cables
  • Industrial applications requiring high mechanical strength

Technical Data

Physical Properties
Property Value Standard Test
Viscosity (200°C, SC4, 50 RPM) 4.0–5.0 Pa.s ASTM D3236
Softening Point 170–180°C ASTM D3461
Water Content <0.2% Bostik Internal Test
Commercial Shape Pellets
Thermal Properties
Property Value Standard Test
Vicat Softening Temperature (A120) 69°C ISO 306
Glass Transition Temperature -35°C Bostik Internal Test
Mechanical Properties
Property Value Standard Test
Yield Strength (50 mm/min, 23°C) 9.5 MPa ISO 527
Strength at Break (50 mm/min, 23°C) 9.5 MPa ISO 527
Elongation at Break (50 mm/min, 23°C) 530% ISO 527
Young’s Modulus (50 mm/min, 23°C) 230 MPa ISO 527
Electrical Properties
Property Value Standard Test
Transversal Resistivity (500V) 1.0 × 10¹² Ω·cm IEC 60093
Dielectric Rigidity (23°C) 19 kV/mm IEC 60243-1
Relative Permittivity (50Hz, 23°C) 4.0 F/m IEC 60250
Miscellaneous Properties
Property Value Standard Test
Density ~1 Internal Test
Water Absorption (Immersed, 23°C) ISO 62
Hardness (Shore D, 23°C) 53 ISO 868

Processing Conditions

Parameter Value
Melt Temperature Range 200–230°C
Mold Temperature Range 20–60°C
Drying Time (Air Oven, Thin Layer) 8 hours
Drying Temperature 70°C
Processing Moisture Content <0.2%

Everwide FX244-1: High Performance for Precision Molding

FX244-1 A specialized two-part silicone rubber designed for creating high-precision molds. This material features a unique oil-bleeding property that creates a self-releasing surface, eliminating the need for external non-stick sprays during demolding.

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