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H.B. Fuller FulaSeal PRO 840NS Cool Room Mastic
Non-skinning, non-hardening polybutene mastic for small joints between cool room insulated panels.
- Polybutene based; non-skinning, non-hardening, non-corrosive
- For small joints up to 3mm between insulated panels
- Mould and mildew resistant; excellent moisture barrier
H.B. Fuller FulaSeal PRO 840NS is a non-skinning, non-hardening, non-corrosive polybutene-based sealant. It is designed for small joints (up to 3mm) between insulated panels in cool and refrigerated rooms, and for concealed lap joints between plastics, metals and most substrates. FEYANA supplies 840NS for cool room construction; it is safe on polystyrene.
Key features
- Polybutene based; non-skinning, non-hardening, non-corrosive
- For small joints up to 3mm between insulated panels
- Mould and mildew resistant; excellent moisture barrier
- Safe on polystyrene; excellent slump resistance
- Accommodates minimal movement (not elastomeric)
Technical data
| Movement Capability | Accommodates minimal movement – not elastomeric |
|---|---|
| Skin Time | N/A – non-skinning |
| Cure Time | N/A – non-hardening |
| VOC | 72g/L |
| Area | Interior |
| Mould/Mildew Resistant | Yes |
| Product Chemistry | Polybutene Mastic |
| Specific Gravity | ~1.4 |
| Service Temp (°C) | -40 to 50 |
Applications
- Joints between insulated panels in cool/refrigerated rooms
- Concealed lap joints between plastics, metals and other substrates
Packaging: 460g Cartridge, off white (15019568)
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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