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Sika Sikaflex NP 1 Aluminum Grey 20oz Sausage
Sikaflex NP 1 Aluminum Grey is a one-component polyurethane in a 20 oz ProPak. It seals moving joints and acoustical partitions and cuts cartridge waste versus 10.1 oz tubes.
- 20 oz ProPak for moving joints and acoustical partitions
- Skins overnight or within 24 hours at 75 F
- 18-month sausage shelf life in unopened ProPaks
$13.22
Availability:
Out of stock
Sikaflex NP 1 Aluminum Grey 20 oz
Sikaflex NP 1 is a one-component moisture-curing polyurethane joint sealant. This Aluminum Grey 20 oz ProPak (part 801155) is for moving joints and acoustical partitions with less cartridge waste on the job. It holds plus or minus 35% movement, typically bonds without a primer, and skins overnight or within 24 hours. Full cure is approximately 1 week at 75 F.
Key Features
- One-component moisture-curing polyurethane
- Aluminum Grey 20 oz ProPak, part 801155
- ProPak reduces jobsite waste versus cartridges
- Elongation 800% (ASTM D412)
- Paintable with non-rigid coatings after a mock-up
- 18-month sausage shelf life
Applications
- Long joint runs where a ProPak beats a cartridge
- Expansion joints and storefront assemblies
- Roofing, fascia, and parapets
- Acoustical partition perimeters
Technical Specifications
| Property | Value |
|---|---|
| Manufacturer | Sika |
| Product | Sikaflex NP 1 |
| Part no. | 801155 |
| Unit | 20 oz ProPak |
| Color | Aluminum Grey |
| Movement | +/- 35% (ASTM C719) |
| Elongation | 800% (ASTM D412) |
| Skin | Overnight or within 24 hours |
| Full cure | Approximately 1 week at 75 F |
| Shelf life | 18 months (sausage) |
Product documents: Sikaflex NP 1 Product Data Sheet (PDF)
Frequently Asked Questions
What size is Sikaflex NP 1 Aluminum Grey 20 oz?
The ProPak is 20 oz (590 ml), part 801155, 20 per carton. Cartridge shelf life is 15 months; this sausage is 18 months.
What skin time does Sikaflex NP 1 Aluminum Grey 20 oz have?
Overnight or within 24 hours at 75 F and 50% RH in a 1/2 inch by 1/4 inch joint. Full cure is approximately 1 week.
What elongation does Sikaflex NP 1 Aluminum Grey 20 oz have?
800% at break (ASTM D412). Tear strength is 50 pli (ASTM D1004). No shrinkage.
What paint window does Sikaflex NP 1 Aluminum Grey 20 oz have?
Compatible with non-rigid coatings. Rigid paints over a flexible sealant can lose adhesion, so on-site adhesion tests are required.
What cold-weather place does Sikaflex NP 1 Aluminum Grey 20 oz allow?
Below freezing only if substrates are completely dry, free of moisture, and clean. Store the ProPak at room temperature 24 hours before use in cool weather.
What waste does Sikaflex NP 1 Aluminum Grey 20 oz cut?
ProPaks reduce jobsite waste and disposal versus cartridges on long joint runs.
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