Espuma de poliuretano em spray

Spray Polyurethane Foam for Sale

Spray polyurethane foam (SPF) is a high-performance insulation material applied by spraying. SPF foam has very low thermal conductivity, which can effectively isolate heat transfer, improve the energy efficiency of buildings, and reduce heating and cooling costs.

  • Autenticação Kerui

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Description of Spray Polyurethane Foam

Spray polyurethane foam (SPF) has excellent insulation, sealing and adhesion properties. Other benefits include air, moisture and dust barrier, reduced heating and cooling costs, seamless structure and improved structural support. SPF is mainly used for thermal insulation in the construction and roofing industry, aerospace industry, pipe insulation, hot tubs and spas.

ParameterClosed-cell SPFOpen-cell SPF
Densidade32–40 kg/m³ (2.0–2.5 lb/ft³)8–12 kg/m³ (0.5–0.75 lb/ft³)
Thermal Conductivity (λ)0.020–0.025 W/(m·K)0.034–0.039 W/(m·K)
Closed-cell Content≥90%<20%
Water Absorption≤2% (volume, 24 hours)10–15%
Compressive Strength≥150 kPa20–30 kPa
Adhesion (to concrete)≥100 kPa≥50 kPa
Temperature Resistance-50 °C to +90 °C (short term up to 120 °C)-50 °C to +90 °C
Flame Retardant RatingB2/B1 (DIN 4102) or Class 1 (ASTM E84)B2/B1
Dimensional StabilityLow shrinkage, deformation ≤1% under temp/humidity changesHigher deformation, up to 3–4%
Water Vapor PermeabilityLow (excellent moisture barrier)High (requires vapor barrier)

OBTER PREÇO

Excellent insulation performance.
High strength Airtightness and watertightness.
Structural stability.
High construction flexibility.

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