Brand: Bostik
Product Number: Thermelt 858 Black
Technology: Polyamide Hot Melt Resin
Color: Black
Cure Type: Low-Pressure Molding
Package Size: 20Kg bag (pellets)
Shelf Life: 18 months
Bostik Thermelt 858 Black is a pure copolymer polyamide hot melt resin designed for low-pressure molding applications. It is a non-reactive, solvent-free adhesive with enhanced UV resistance, high hardness, and strong internal cohesion. The adhesive provides flame retardancy (UL94 V-0, UL file E116659), making it suitable for electronics encapsulation and industrial applications requiring fire resistance.
| Property | Value | Standard Test |
|---|---|---|
| Viscosity (220°C, SC4, 50 RPM) | 4.0–6.0 Pa.s | ASTM D3236 |
| Softening Point | 175–185°C | ASTM D3461 |
| Water Content | <0.2% | Bostik Internal Test |
| Commercial Shape | Pellets | — |
| Property | Value | Standard Test |
|---|---|---|
| Vicat Temperature (A 120, 10N, 120°C/h) | 77°C | ISO 306 |
| Glass Transition Temperature (DSC) | -35°C | Bostik Internal Test |
| Property | Value | Standard Test |
|---|---|---|
| Yield Strength (50 mm/min, 23°C) | 7.2 MPa | ISO 527 |
| Strength at Break (50 mm/min, 23°C) | 8.1 MPa | ISO 527 |
| Elongation at Break (50 mm/min, 23°C) | 340% | ISO 527 |
| Young’s Modulus (50 mm/min, 23°C) | 90 MPa | ISO 527 |
| Property | Value | Standard Test |
|---|---|---|
| Transversal Resistivity (500V) | 1.4 × 10¹¹ Ω·cm | IEC 60093 |
| Dielectric Rigidity (23°C) | 20 kV/mm | IEC 60243-1 |
| Relative Permittivity (50Hz, 23°C) | 5.6 F/m | IEC 60250 |
| Parameter | Value |
|---|---|
| Melt Temperature Range | 210–230°C |
| Mold Temperature Range | 20–60°C |
| Drying Time (Air Oven, Thin Layer) | 8 hours |
| Drying Temperature | 70°C |
| Processing Moisture Content | <0.2% |
Stronger Bonding. Cleaner Process. Reliable Performance. If you are looking for an adhesive that combines high adhesion strength, flexibility, and electronic safety, 3320-80 is the
Everwide FX219G5 Silicone Potting Compound – high-thermal, UL94 V-0 silicone potting for electronic modules. Compare with Shin-Etsu KET-132 silicone potting.
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.
As the year draws to a close and the Christmas season arrives, Avantek Viet Nam would like to extend our warmest Christmas greetings to all our valued customers, partners, and friends.
Avantek Viet Nam is a dynamic MRO, direct materials and equipment supplier that brings advanced technological solutions to maximize satisfaction of customers.
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