BILIN B2 Flame Retardant Polyurethane Foam - 55L Yield, 0.034W/(m*K) Thermal Conductivity for Fireproof 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

Product Overview

BILIN B2 is a high-performance, flame-retardant polyurethane foam that meets DIN 4102 B2 standards, ensuring immediate self-extinguishing when the fire source is removed. This one-component PU foam expands upon air exposure, offering exceptional gap-filling capabilities for construction applications.

BILIN B2 flame-retardant polyurethane foam product demonstration

Key Features & Benefits

Self-extinguishing - Stops burning immediately when fire source is removed
Superior thermal insulation - Thermal conductivity of 0.034W/(m*K)
Closed-cell structure - Waterproof and dimensionally stable
Excellent gap-filling - 55L yield with high expansion ratio
Easy application - Quick and user-friendly installation
Strong adhesion - 136kPa tensile adhesive strength to most construction materials
Long-term stability - No shrinkage or cracking over time
Environmentally friendly - Free of CFCs and hazardous substances

Primary Applications

Installation of fire-rated doors and windows
Fire and smoke barrier sealing in walls, floors, and ceilings
Sealing service penetrations and roof openings
Fireproof filling in pipe penetrations, electrical conduits, and HVAC systems
Insulation of cold storage and industrial facilities requiring fire-resistant materials

Technical Specifications

Parameter	Value
Yield	55L
Shrinkage	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