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Rigid Polyurethane Blend Polyols for Coolers DJD-101S


[Description: ]

DJD-101S blend polyols use water  as blowing agent which applies to coolers,barrel insulation and other insulation products. The characteristics of the products are as follows

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1.excellent flowabilitythe density of the foam is well-distributed and the thermal conductivity is low
2.excellent low-temperature dimensional stability and good cohesiveness;

Physical Properties

Appearance light yellow transparent  liquid
Hydroxyl Value mgKOH/g 300-400
Dynamic Viscosity (25℃) mPa.s 600-700
Gravity (20℃) g/ml 1.05-1.10
Storage Temperature ℃ 10-30
Storage Stability month 6

Recommended Ratio

DJD-101S blend polyols 100
Isocyanate 120-130

Technology and Reactivity(the exact value varied depending on processing conditions)

  Manual Mixing Mechanical Foaming
Raw Material Temperature ℃ 20-25 20-25
Mould Temperature ℃ 35-40 35-40
CTs 13-15 12-13
GTs 70-80 50-60
TFTs 100-120 70-100
Free Density kg/m3 25-26 24-25

Foam Performances

Foam Density by Molding GB/T 6343 ≥38kg/m3
Closed-cell Rate GB/T 10799 ≥90%
Thermal Conductivity (15℃) GB/T 3399 ≤25.5 mW/(m.K)
Compressive strength    
(perpendicular to the direction of rising) GB/T 8813 ≥150kPa
Dimensional Stability (24h -20℃) GB/T 8811 ≤1.0%
(24h 100℃)   ≤1.0%
The data provided above are typical value which are tested by our company. For our company's products the data included in the law do not have any constraints. 

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