Fire Barrier Sealant – Prevent Fire Damage Fast
KASTAR FB Fire Barrier Sealant is a high-performance solution designed to prevent the spread of fire, smoke, and toxic gases in critical building applications. This fire-resistant sealant provides up to 4 hours of fire protection, ensuring compliance with international safety standards for fire-rated assemblies. With excellent adhesion and flexibility, it effectively seals joints and gaps in walls, floors, and ceilings, maintaining structural integrity and safety. KASTAR FB is compatible with various substrates, including concrete, steel, and wood, and is ideal for use in commercial, industrial, and residential buildings. Its smooth, non-sagging formula allows for easy application and a professional finish.
Appearance: Smooth paste
Density (g/cm³): 1.60
Sagging properties (mm): 0
Shore A hardness (A°): 50
Tack free time (min): 120
Tensile strength (MPa): 2.2
KASTAR FB Fire Barrier Sealant offers unmatched fire protection for critical building components, making it the go-to solution for “fire barrier sealant” applications. Its advanced intumescent formula expands under high heat to effectively block fire, smoke, and toxic gases from spreading through gaps and joints. With up to 4 hours of fire resistance, it meets and exceeds international fire safety standards, ensuring maximum safety and reliability.
This sealant adheres to a wide range of materials, including concrete, steel, and wood, and maintains flexibility to accommodate movement in dynamic joints. Its non-sagging consistency ensures clean, precise application, even in vertical or overhead installations. KASTAR FB is the perfect choice for fire-rated walls, ceilings, floors, and structural joints, delivering long-term durability and peace of mind in residential, commercial, and industrial projects.
- Fire-Rated Walls & Ceilings: Provides fire-resistant sealing for gaps and joints in drywall and concrete assemblies.
- HVAC Ducts & Pipe Penetrations: Ensures fire protection for mechanical and electrical openings.
- Structural Expansion Joints: Seals dynamic joints in fire-rated assemblies with excellent flexibility.
- Commercial & Industrial Spaces: Ideal for warehouses, offices, and factories requiring fire-rated protection.
| NO. | ITEM | DATA |
| 1 | Basic material | Intumescent Polymer |
| 2 | Color | White or Red |
| 3 | Consistency | Paste |
| 4 | Application Consistency | Caulking Gun |
| 5 | Net Weight | 600 ml |
| 6 | Average Nonvolatile(FSTM 9A) | 93% |
| 7 | Temperature Resistance | -20℃ to 120℃ |
| 8 | Service Temperature limits | -10℃ to 85℃ |
| 9 | Storage Temperature | 5℃ to 35℃ |
| 10 | Application Temperature | 5℃ to 40℃ |
| 11 | Skin Drying Time(mins) | 60 |
| 12 | Density | 1.60 |
| 13 | Shrinkage(mm) |
| NO. | ITEM | DATA |
| 1 | Basic material | Intumescent Polymer |
| 2 | Color | White or Red |
| 3 | Consistency | Paste |
| 4 | Application Consistency | Caulking Gun |
| 5 | Net Weight | 600 ml |
| 6 | Average Nonvolatile(FSTM 9A) | 93% |
| 7 | Temperature Resistance | -20℃ to 120℃ |
| 8 | Service Temperature limits | -10℃ to 85℃ |
| 9 | Storage Temperature | 5℃ to 35℃ |
| 10 | Application Temperature | 5℃ to 40℃ |
| 11 | Skin Drying Time(mins) | 60 |
| 12 | Density | 1.60 |
| 13 | Shrinkage(mm) |
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