PERMABOND® PT328 is a 2-part, room temperature curing polyurethane adhesive. It is ideal for use on a wide variety of substrate materials including metals, plastics and composites. Its long pot life makes it suitable for covering large areas. It has excellent environmental and chemical resistance.
FEATURES:
- Adhesion to a wide variety of substrates
- Cures at room temperature
- Easy 1:1 mix ratio by volume
- Good resistance to impact and vibration
- Thixotropic, non-slump rheology
APPLICATIONS:
- Filter Bonding
- Frame and media bonding
| PT328 A | PT328 B | |
| Chemical composition | Polyurethane | Isocyanate |
| Appearance | Black | Cream |
| Viscosity @ 25°C | 4000-8000 mPa.s (cP) Thixotropic | 3000-6000 mPa.s (cP) Thixotropic |
| Specific gravity | 1.25 | 1.45 |
TYPICAL CURING PROPERTIES
| Mix ratio by volume | 1:1 |
| Maximum gap fill | 5 mm/ 0.2 in |
| Usable / pot life @23°C | 15-20 mins |
| Handling time @23°C | 90-120 mins |
| Full cure @23°C | @23°C: 4-5 days @90°C: 30 minutes |