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B2 Grade Fire Retardant Polyurethane Foam Insulation

    Buy cheap B2 Grade Fire Retardant Polyurethane Foam Insulation from wholesalers
     
    Buy cheap B2 Grade Fire Retardant Polyurethane Foam Insulation from wholesalers
    • Buy cheap B2 Grade Fire Retardant Polyurethane Foam Insulation from wholesalers

    B2 Grade Fire Retardant Polyurethane Foam Insulation

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    Brand Name : EXCEEDCHEM
    Model Number : pu rigid foam
    Certification : ISO9001:2018
    Price : FOB Qingdao usd1.0/kg
    Payment Terms : L/C, T/T
    Supply Ability : 3000mt/month
    Delivery Time : 5-8 work days
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    B2 Grade Fire Retardant Polyurethane Foam Insulation

    B2 Grade Fire Retardant Polyurethane Foam Insulation​


    1. Description

    This spray blend of polyols reacts with isocyanate to produce a foam with excellent properties, including:

    • Fine and uniform cell structure
    • Low thermal conductivity
    • Superior flame resistance
    • Excellent dimensional stability at low temperatures

    This foam is ideal for various thermal insulation applications utilizing spray technology, such as cold storage rooms, tanks, large-scale pipelines, and building facades.


    2. Properties


    Hydroxyl Value
    310-380 mgKOH/g
    Gel Time
    6-10 s
    Dynamic Viscosity (25 ℃)
    100-200 (1200-1500 without HCFC-141B) mpa.s
    Specific gravity (20 ℃)
    1.05-1.08 g/ml
    Spray Density
    ≥35kg/m3
    Storage Temperature
    10-25 ℃
    Compressive Strength
    ≥150KPa
    Storage Stability
    6 month
    Adhesive Strength
    ≥120KPa
    Recommended Ratio
    Blend polyols:Isocyanate=1:1-1.1
    Closed-cell Rate
    ≥92%
    Water Absorption
    ≤1.5%
    Dimensional Stability
    -20℃ 24h
    ≤1%
    70℃ 24h
    ≤1.5%

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