500ml 750ml Aerosol Fire Stop PU Foam Sealant Wholesale Distributor OEM B1 Fire Rated Foam Cartridge

Description:
This product has the characteristics of high flame retardancy and non-flammability, strictly following DIN 4102 B2 standard. It can extinguish immediately when the fire source is evacuated, making it safe to use. It has multiple effects such as bonding, fixing, installation, sound insulation and heat insulation, and is suitable for filling and sealing fireproof gaps, which can effectively block the diffusion of smoke and harmful gases.
Features & Benefits:
- Good self-extinguishing property, reaching DIN 4102-1 B2 fire rating
- Excellent heat insulation effect
- Closed-cell structure can effectively prevent water absorption
- High rigidity and good stability
- High installation convenience
- Simple construction
- Excellent expansion rate
- Significant sound and heat insulation effect
- Good adhesion performance
- No shrinkage and outstanding stability
Application:
- Suitable for fireproof door and window installation projects
- Fire and smoke retardant sealing of walls, floors and ceilings
- Sealing operations of all openings in roof structures
- All filling and bonding scenarios requiring flame retardant or fire-rated properties such as pipe penetrations and cold store area insulation
Technical parameters:
| Yield | 55L |
| Shrink | None |
| Density | 22 kg/m³ |
| Cellular Structure | 60-65% open cell |
| Tensile adhesive strength | 136kPa |
| Shear strength | 154kPa |
| Thermal conductivity(35℃) | 0.034W/(m·K) |
| Fire Retardant Grade(DIN 4102-1) | B2 |
Q1: Are you a factory?
A1: Yes, we are a factory. Our plant area is about 30,000 square meters, and our production capacity is 10 containers per day, supporting on-time delivery.
Q2, Can I visit your factory?
A2: Of course, welcome to visit our factory in Zhengzhou, Henan.
Q3: Do you provide OEM/private label service?
A3: Yes, we do. In addition, we also provide free design and MOQ for private label sealants.
Q4: Can I get free samples?
A4: We provide free samples. For more details, please feel free to contact us.
Q5: Need an agent?
A5: General agents all over the world are welcome.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.








