750ml B2 Fire-Rated PU Foam Insulation - 55L Yield, 0.034W/(m*K) Thermal Conductivity for Acoustic and Thermal Sealing

Price Negotiable

Price: 1.18 ~ 1.58

MOQ: 6000pcs for BILIN brand, 15600pcs for customer brand

Delivery Time: Within 20 days after deposit

Brand: BILIN

Product Description

BILIN B2 PU Foam is a professional-grade acoustic insulation solution that expands and cures upon air exposure, forming durable, fire-safe seals compliant with DIN 4102 B2 standards. This flame-retardant material ceases burning instantly when fire is removed, ensuring superior safety for construction applications.

Key Features & Benefits

Self-extinguishing - Complies with fire safety standards
B2 Fire Rating (DIN 4102-1) - Flame-retardant and smoke-resistant
Closed-cell structure - Water-resistant, rigid, and long-lasting
High expansion rate - Fills gaps efficiently for airtight sealing
Excellent adhesion - Bonds strongly to various surfaces
Thermal & acoustic insulation - Reduces heat transfer and noise
No shrinkage - Maintains stability over time
Easy application - Works with standard foam guns or disposable straws

Applications

Fireproof door and window installations
Fire and smoke barriers in walls, floors, and ceilings
Sealing roof penetrations and construction gaps
Pipe and duct penetrations requiring fire-rated seals
Insulation in cold storage and industrial environments
Structural reinforcement and crack sealing

Technical Specifications

Parameter	Value
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