Description
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 & Benefits
- 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
| Polyurethane – Two Component | |||
| Grade | PT321 | PT326 | PT328 |
| Description | Fast, Strong | Moderate Pot Life | Extended Pot Life |
| Color Part A | Black | Black | Black |
| Color Part B | Cream | Cream | Cream |
| Mix Ratio | 1:1 | 1:1 | 1:1 |
| Bond Gap Fill | .02 in. (5mm) | 0.2 in. (5mm) | 0.2 in. (5mm) |
| Pot Life | 1 – 1.5 min | 4 – 7 min | 15 – 20 min |
| Handling Strength | 10 – 15 min | 60 – 90 min | 90 – 120 min |
| Full Strength cured @ 73°F (23°C) | 24 hours | 4-5 days | 4-5 days |
| Full Strength cured @ 194°F (90°C) | 30 min | 30 min | 30 min |
| Hardness | D 70 – 80 | D 65 – 75 | D 60 – 75 |
| Shear Strength Grit Steel | 2,600-3,600 psi (18 – 25 N/mm2 ) | 1,700-2,900 psi (12 – 20 N/mm2 ) | 1,700-2,600 psi (12 – 18 N/mm2 ) |
| Tensile Strength | 2,900-3,600 psi (20 – 25 N/mm2 ) | 2,300-3,600 psi (16 – 25 N/mm2 ) | 2,200-2,900 psi (15 – 25 N/mm2 ) |
| Temperature Range | -40 to 248 °F (-40 to +120 °C) | -40 to 248 °F (-40 to +120 °C) | -40 to 248 °F (-40 to +120 °C) |
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