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Rigid Polyurethane Blended Polyols for PIR Continuous Panels

DBC-402CA

[Description: ]

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.

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 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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