November 4, 2026 ALPHA HI-POXY 4007B
ALPHA HI-POXY 4007B is a high-performance one component epoxy formulation developed specifically to enhance the mechanical attachment strength of solder joints in electronic assemblies. Formulated by MacDermid Alpha, this black paste protects IC devices and chip components from premature mechanical detachment caused by shock, vibration, or board flexure.
Key Features and Advantages
Engineered for high-reliability manufacturing, ALPHA HI-POXY 4007B provides outstanding mechanical reinforcement alongside straightforward process handling. Key benefits include:
- One Component Epoxy: Ready to use without complex mixing ratios, ensuring consistent application quality.
- Halogen-Free Formulation: Meets global environmental compliance standards for green electronics assembly.
- Excellent Workability: Smooth dispensing profile with a 20-day pot life at 25 °C.
- Robust Adhesion: Superior physical bonding to circuit board substrates and component bodies.
Technical Specifications
Below is the standard properties overview for ALPHA HI-POXY 4007B based on official technical data:
| Property / Parameter | Value / Result |
|---|---|
| Chemical Type | Epoxy |
| Appearance | Black paste |
| Curing Method | Heat cure (5 min @ 135 °C recommended) |
| Viscosity (Brookfield #6, 20rpm @ 25 °C) | 17,000 to 23,000 cps |
| Specific Gravity | 1.1 to 1.2 |
| Pot Life (@ 25 °C) | 20 days |
| Shelf Life (@ 1 to 10 °C) | 6 months |
| Hardness (Shore D) | 30 to 40 |
| Glass Transition Temp. (Tg, TMA) | 25 (±5) °C |
Application and Curing Guidelines
ALPHA HI-POXY 4007B is ideal for protective coating and edge bonding applications where component anchoring is necessary. The recommended thermal cure schedule is 5 minutes at 135 °C in a convection oven. Optimal cure settings may vary according to board design, component mass, and specific heating equipment.
Conclusion
For assemblies requiring durable solder joint protection against mechanical stress, ALPHA HI-POXY 4007B delivers proven adhesion and process reliability. To learn more about ordering or technical support, please get in touch with Contact – LORIOT INDUSTRIAL.
