HM8861A LPM Hot Melt Adhesive | Polyamide Resin for Electronics & Automotive
HM8861A is a premium-grade, solvent-free Co-Polyamide hot melt adhesive engineered specifically for high-performance Low Pressure Molding (LPM) systems. Designed to meet the stringent encapsulation demands of the electronics, semiconductor, and automotive industries, HM8861A provides a robust, watertight barrier against moisture, dust, and environmental stress.
With its superior dielectric strength and exceptional thermal stability, this LPM resin acts as a reliable alternative to traditional potting. It secures delicate PCBs, sensors, cable connectors, and high-tech electronic components without damaging sensitive circuitry during the low-pressure injection process. HM8861A exhibits excellent adhesion to difficult substrates, ensuring long-term mechanical integrity under harsh operating conditions.
Features and benefits
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Eco-Friendly & Safe: 100% solvent-free formulation, ensuring a safer work environment and seamless integration into automated production lines.
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Superior Environmental Protection: Provides exceptional IP-rated sealing against water ingress, dust, and humidity, making it ideal for automotive and outdoor applications.
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Excellent Thermal & Dielectric Stability: Maintains its physical and electrical insulation properties across a wide thermal envelope (operating temperatures from -30°C to 135°C).
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High-Yield Processing: Specifically optimized for automatic and semi-automatic low pressure molding machinery, reducing cycle times and increasing production efficiency.
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Excellent Substrate Adhesion: Bonds strongly to various polar and non-polar surfaces typically found in high-tech components, connectors, and cables.
Specifications
Uncured & Material Properties
| Property | Test Method / Standard | HM8861A Value |
| Chemical Base | – | Co-Polyamide |
| Color | Visual | Amber |
| Physical Shape | – | Pellets |
| Density | – | ~1.0 g/cm³ |
| Viscosity | ASTM D3236 | 2.5 – 4.0 Pa.s (at processing temp) |
| Water Content | – | < 0.2% |
Cured Physical & Mechanical Properties
Technical Documents
Technical Data Sheet
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