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Euclid Eucolastic 1NS 10oz Cartridge Bronze
Euclid Eucolastic 1NS is a polyurethane sealant designed for sealing joints in concrete and masonry structures, offering exceptional adhesion, flexibility, and weather resistance. Extremely durable in dynamic joints, offering persistent adhesion once fully cured.
- Provides a secure seal to prevent water infiltration.
- Accommodates joint movement for enhanced flexibility.
- Withstands outdoor exposure and UV radiation for long-lasting performance.
$5.78
Availability:
In stock
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Orders over $300 Ship Free!
SKU
18221
Euclid Eucolastic 1NS – 10oz Cartridge – Bronze
Eucolastic 1NS is a single-component, non-sag, low-modulus polyurethane hybrid joint sealant designed for dynamic joint applications. Moisture-cured and formulated with silane-terminated polyurethane polymer, it delivers excellent adhesion, durability, and movement capability of ±35%. This versatile sealant is paintable, tack-free in 3–4 hours, and suited for interior and exterior use above or below grade. Available in multiple colors including bronze, it is ideal for sealing concrete, masonry, EIFS, and precast joints.
Key Features
- Single-component, non-sag hybrid polyurethane formulation.
- Movement capability of ±35% for dynamic joints.
- Tack-free in 3–4 hours; skins in about 1 hour.
- Excellent adhesion and cohesion through temperature cycling.
- Durable for above- and below-grade use.
- Paintable after curing for consistent finish.
- Service temperature range: -40°F to 185°F (-40°C to 85°C).
- Available in multiple colors: Black, Bronze, Gray, Limestone, Stone, and White.
Applications
- Concrete control and expansion joints.
- Precast concrete panel joints.
- EIFS construction.
- Window and door perimeters.
- Masonry applications, interior and exterior.
- Above-grade and below-grade sealing applications.
Technical Specifications
| Chemistry | Single-component, moisture-cured polyurethane hybrid |
| Movement Capability (ASTM C719) | ±35% |
| Rheology (ASTM C639) | Non-sag (Grade NS) |
| Extrusion Rate (ASTM C1183) | 57.9 ml/min |
| Hardness (ASTM C661) | Shore A 25 |
| Tack-Free Time (ASTM C679) | 5–6 hours |
| Adhesion-in-Peel (ASTM C794) | Concrete 18–22 pli, no adhesion loss |
| Color Stability (ASTM C510) | No staining or color change |
| Accelerated Aging (ASTM C793) | No cracking or chalking |
| Service Temperature Range | -40°F to 185°F (-40°C to 85°C) |
| Yield per Cartridge | ~24 linear ft in 1/4" x 1/4" joint |
| Packaging | 10.1 oz (300 mL) cartridges, 30 per case |
| Shelf Life | 18 months (unopened container) |
| Compliance | ASTM C920, ASTM C1248, TT-S-00230C, CAN/CGSB 19.13-M87 |
Frequently Asked Questions
What makes Eucolastic 1NS different from standard polyurethane sealants?
It uses a hybrid silane-terminated polyurethane polymer that enhances performance and durability compared to traditional polyurethane sealants.
Can it be used outdoors?
Yes. Eucolastic 1NS is suitable for both interior and exterior applications, including above and below grade.
How much movement can it handle?
It accommodates ±35% joint movement while maintaining adhesion and cohesion.
Is it paintable?
Yes. Once fully cured, Eucolastic 1NS can be painted to match surrounding surfaces.
How should tools be cleaned?
Use Euco Solvent or xylene before the sealant dries. Once cured, removal requires mechanical means.
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