H.B. Fuller FH8634 is a one-part, premixed, low-temperature cure adhesive for heat-sensitive parts such as camera modules, sensors, touch panels and wearables. It is an ultra-fast curing magnet bonding adhesive with fluorescent properties for easy automated optical inspection, used for magnet system bonding in speakers and receivers. It is black, has a viscosity of 22,940 cPs at 25°C and cures at 5 min @ 80°C. FEYANA supplies FH8634 to electronics assembly plants.
Key features
- One-part, premixed, low-temperature cure
- Ultra-fast curing magnet bonding adhesive
- Fluorescent for easy automated optical inspection
- Hardness Shore D 85
- Cure schedule: 5 min @ 80°C
- Pot life 3 days at 25°C; shelf life 6 months at -20°C
Technical data
| Color | Black |
|---|---|
| Viscosity at 25°C (cPs) | 22,940 |
| Cure schedule | 5 min @ 80°C |
| Pot life at 25°C (days) | 3 |
| Shelf life at -20°C (months) | 6 |
| Hardness (Shore) | D 85 |
Applications
- Magnet system bonding in speakers and receivers
- Camera modules, sensors, touch panels, wearables and other heat-sensitive parts
Data are typical values from the manufacturer’s literature. Contact us for the TDS/SDS and selection advice.
Contact FEYANA: WhatsApp/Zalo +84 988 641 591 – sales.00@feyana.com




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