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Sika Sikaflex NP 1 White 10.1oz Cartridge 805594
Sikaflex NP 1 White is a one-component polyurethane in a 10.1 oz cartridge. It seals moving joints and window perimeters and typically bonds without a primer to concrete and masonry.
- Skins overnight or within 24 hours at 75 F
- Holds plus or minus 35% movement without a primer
- May yellow in UV as an aromatic urethane
$7.93
Availability:
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Sikaflex NP 1 White
Sikaflex NP 1 is a one-component moisture-curing polyurethane joint sealant. This White 10.1 oz cartridge (part 805594) is for moving joints, window perimeters, and acoustical partitions. It holds plus or minus 35% movement and typically bonds without a primer to concrete and masonry. As an aromatic urethane it may yellow in UV on exterior exposure.
Key Features
- One-component moisture-curing polyurethane
- White 10.1 oz cartridge, part 805594
- Plus or minus 35% movement (ASTM C719)
- Typically bonds without a primer to concrete and masonry
- May yellow in UV as an aromatic urethane
- 15-month unopened cartridge shelf life
Applications
- Moving joints and window perimeters
- Acoustical partitions at cut-outs
- Interior and exterior joints above and below grade
- Panel walls and precast units
Technical Specifications
| Property | Value |
|---|---|
| Manufacturer | Sika |
| Product | Sikaflex NP 1 |
| Part no. | 805594 |
| Unit | 10.1 oz cartridge |
| Color | White |
| Movement | +/- 35% (ASTM C719) |
| UV | Aromatic urethane may yellow |
| Shelf life | 15 months (cartridge) |
| Skin | Overnight or within 24 hours |
| Pack | 30 or 12 cartridges per carton |
Product documents: Sikaflex NP 1 Product Data Sheet (PDF)
Frequently Asked Questions
What size is Sikaflex NP 1 White?
The cartridge is 10.1 oz (300 ml), part 805594. Cartons are 30 cartridges or 12 cartridges.
What UV yellowing does Sikaflex NP 1 White show?
It is an aromatic urethane and may yellow in UV. Where a true white appearance has to hold, HY 100, HY 150, or CR 195 is the color-stable pick.
What 15-month unopened life does Sikaflex NP 1 White have?
15 months in original unopened packaging. Store away from heat and direct sunlight; elevated temperature shortens shelf life.
What 12-cartridge carton does Sikaflex NP 1 White ship?
Cartons are 30 cartridges or 12 cartridges. This cartridge is 10.1 oz (300 ml).
What movement does Sikaflex NP 1 White hold?
Plus or minus 35% (ASTM C719). Shore A is 25-30 at standard conditions.
What 21-day immersion wait does Sikaflex NP 1 White need?
21 days at 70 F and 50% RH before water immersion. Primer-173 or Sikaflex Primer-429 is required for immersion.
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