KASTAR 286 Fire resistant Intumescent Firestop Acrylic Sealant
Excellent fire resistance, able to prevent burning
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Kastar 286 is a grey fire retardant acrylic mastic. Tested on various widths of joints giving 1-4 hours of fire resistance. Used for perimeter pointing and sealing of fire-rated structures etc. Joint movement capability of + or – 25%. kastar286 Intumescent sealant is a white sealant for indoor joints where a fire retardant seal is required to prevent the passage of fire and smoke. Joint movement capability of + or – 12.5%.
OEM & ODM
We are professional manufacturer
of adhesives and sealants
Features & Benefits
- Paintable
- Silicone-free
- Seals small openings quickly
- Easy to clean with water
- Fast, simple application and clean-up
- Fire Resistant for up to 4 hours
Application Areas
Designed to make installation quicker and easier Tested for fire stopping of single cables, cable bundles, and conduits Smoke-tight sealant Can be applied to concrete, masonry, or gypsum Acoustically tested according to ISO 10140 Applications Single cables and cable bundles Conduits.
Properties Product
| Product Type | Volume | Package |
| Grey | 300ml | 24 |
| Grey (Sausage) | 600ml | 20 |
| Basis | Acrylic Dispersion | |
| Consistency | Smooth paste | |
| pH | 7.5-9 | |
| Specific gravity | 1,60 ± 0,03 gr/cm3 | (ASTM D 792) |
| Tack-Free time | 15-30 min (23 °C and 50%R.H) | (ASTM C 679-03) |
| Curing Rate (mm/day) | Min.2 mm/day (23 °C and 50% R.H) | |
| Shore A hardness | 40 ± 5 Shore A | |
| Elongation | > 100% | (ASTM D 412) |
| Tensile strength | ≥ 0,4 N/mm2 | (ASTM D 412) |
| Application Temperature | +5 °C to +40 °C | |
| Volume shrinkage | 10%-15% | (ASTM D 412) |
| Intumescent Rate | 5 to 6 tims |
Consumption (approx.)
| Application Width | 5mm | 10mm | 15 mm | 20 mm | 25 mm |
| Application Depth | 3mm | 5mm | 8 mm | 10 mm | 12 mm |
| Efficiency/300 ml | 20 meters | 6 meters | 2,5 meters | 1.50 meters | 1 meters |
Restrictions
Damp or humid conditions will significantly extend the cure time.
Do not apply below 5°C
Storage and shelf life
The shelf life is 12 months if stored in unopened-original package in a dry place at temperatures between+5°C and +25°C
Safety & Disposal
Bears no imminent risk to health. Check MSDS guidelines for disposal and further information concerning safety
