Rigid Polyurethane Blended Polyols for PIR Continuous Panels

DBC-402C blended polyols reacts with isocyanate to produce PIR foam which has good fire resistance temperature resistance good heat insulation low weight and compressive strength and other advantages.It is widely used for producing conti

  •  Product Introduction

    DBC-402CA blended polyols reacts with isocyanate to produce PIR foam which has good fire resistance temperature resistance good heat insulation low weight and compressive strength and other advantages.It is widely used for producing continuous panels also suits for produce fire resistance slab stock suits for high and low pressure foam machine.

  • Physical Property

    Appearance Linght yellow to brown transparent liquid 200-280 250-300 1.11-1.15
    OH value mgKOH/g 200-280
    Dynamic viscosity (25℃) mPa.S 250-300
    Density(20℃) g/ml 1.11-1.15
    Storage temperature ℃ 10-25
    Storage stability month 6

    Recommend Ratio

    Raw materials pbw
    DBC-402C Blended Polyols 100
    Isocyanate 150-160

    Technology and Reactivity

    Items Manual mixing in Lab Test
    Raw material temperature ℃ Cream times 22
    Cream times 10-15
    Gel times 15-25
    Free density kg/m3 34-38

    Foam Performances

    Moulding density GB 6343 ≥45kg/m3
    Closed-cell rate GB 10799 ≥90%
    Thermal conductivity(15℃) GB 3399 ≤25mW/(m.K)
    Compression strength(perpendicular to the direction of rising) GB/T8813 ≥200kPa
    Dimensional stability  24h  -30℃ GB/T8813  
    24h  100℃   ≤0.5%
    Flame retardant grade GB/T8624 Class B2
    Water absorption ratio GB 8810 ≤3%

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DBC-402CA


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