KASTAR 284 Clear Silicone Acrylic Sealant – High-Quality
Kastar 284 Clear Siliconized Acrylic Sealant is a high-performance water-resistant and weather-resistant sealant that strongly bonds to a variety of surfaces, internal and external, and even ceramics and glass surfaces. As fine for sealing side joints in the exterior; effectively covers gaps around the windows and doors, skylights, vents, air ducts, and chimneys.
Basic material: Acrylic dispersion
Color: White
Specific Gravity (g/cm³): 1.2
Shrinkage (mm): ≤3
Tack free time (h): 0.7
Elongation at break (%): 150
Modulus adhesive : OK
Acrylic sealant refers to a sealant mainly made from acrylic resins: it is used as a gap and joint filler on several material types. It is an aqueous polymerized product that cures to a flexible, tough, and waterproof barrier. An acrylic sealer can be used in construction and for home improvements in filling gaps around the window or door frames, baseboards, or other protruding structures. It can also be applied to sealing little cracks as well as small holes in walls and ceilings. Acrylic sealant comes in different colors nonetheless it can be painted upon drying. It is very simple to use and can be cleaned up very easily is inexpensive and is effective for sealing purposes.
- Paintable and water-based
- Exterior or interior use
- Fireproof for up to 4 hours
- One part is water-based and it is very simple to work with.
- Very high sealing efficiency, smoke prevention
- Exceptional fire extinguishment ability
- No smell & Non-Toxic
- Filling Joints up to 50mm
1. Seals in concrete, drywall, wood and metal
2. Sticking firmly to the interior and exterior stratum or layers of a particular structure.
3. Ceramic and glass substrates.
4. This includes: skylights, vents, air ducts, and chimneys.
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Basic material | Acrylic dispersion |
Color | White |
Specific Gravity (g/cm³) | 1.2 |
Shrinkage (mm) | ≤3 |
Tack free time (h) | 0.7 |
Elongation at break (%) | 150 |
Modulus adhesive | OK |
Volume Change (%) | 40 |
Extrudability (ml/min) | 495 |
Elastic Recovery Ratio (%) | 80 |
Hypothermia Flexibility | -20 |
Viscosity | 195000 |
Basic material | Acrylic dispersion |
Color | White |
Specific Gravity (g/cm³) | 1.2 |
Shrinkage (mm) | ≤3 |
Tack free time (h) | 0.7 |
Elongation at break (%) | 150 |
Modulus adhesive | OK |
Volume Change (%) | 40 |
Extrudability (ml/min) | 495 |
Elastic Recovery Ratio (%) | 80 |
Hypothermia Flexibility | -20 |
Viscosity | 195000 |

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