Sikaflex NP 1 White ProPak is a one-component polyurethane in a 20 oz sausage. It seals long joint runs at window perimeters and panel walls and typically bonds without a primer to concrete and masonry.
Sikaflex NP 1 is a one-component moisture-curing polyurethane joint sealant. This White 20 oz ProPak (part 805573) is for long joint runs at window perimeters and panel walls. It holds plus or minus 35% movement and typically bonds without a primer to concrete and masonry. The ProPak cuts cartridge waste, with an 18-month unopened shelf life and 20 sausages per carton.
| Property | Value |
|---|---|
| Manufacturer | Sika |
| Product | Sikaflex NP 1 |
| Part no. | 805573 |
| Unit | 20 oz ProPak |
| Color | White |
| Movement | +/- 35% (ASTM C719) |
| Shelf life | 18 months (sausage) |
| Pack | 20 ProPaks per carton |
| Skin | Overnight or within 24 hours |
| Full cure | Approximately 1 week at 75 F |
Product documents: Sikaflex NP 1 Product Data Sheet (PDF)
What size is Sikaflex NP 1 White ProPak?
The ProPak is 20 oz (590 ml), part 805573, 20 per carton.
What unopened-sausage life does Sikaflex NP 1 White ProPak have?
18 months in the unopened ProPak. Cartridge shelf life is 15 months; this sausage is 18.
What 20-count carton does Sikaflex NP 1 White ProPak ship?
20 ProPaks per carton.
What waste does Sikaflex NP 1 White ProPak cut?
ProPaks reduce jobsite waste and disposal versus cartridges on long joint runs.
What 1-week full cure does Sikaflex NP 1 White ProPak need?
Approximately 1 week at 75 F and 50% RH. Skin is overnight or within 24 hours in a 1/2 inch by 1/4 inch joint.
What 800-percent elongation does Sikaflex NP 1 White ProPak have?
800% at break (ASTM D412). Tear strength is 50 pli (ASTM D1004).
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