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Rigid Polyurethane Blend Polyols for Refrigerators DJD-102A

DJD-102A

[Description: ]

DJD-102 blend polyols use the HCFC-141B as blowing agent which is the substitution of CFC-11 in polyurethane industry it applies to refrigerators icebox and other thermal insulation products the characteristics are as follows

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Rigid Polyurethane Blend Polyols for Refrigerators
DJD-102A
Product Introduction
DJD-102 blend polyols use the HCFC-141B as blowing agent which is the substitution of CFC-11 in polyurethane industry it applies to refrigerators icebox and other thermal insulation products the characteristics are as follows
1、excellent flowability  foam density distributes uniformity low thermal conductivity
2、Excellent low temperature dimension stability and cohesiveness
3、Demould time 6~8 minutes

Physical Property

Appearance Pale yellow transparent liquid
Hydroxyl value mgKOH/g 380-420
Dynamic viscosity(25℃) mPa.s 3000-4000
Specific gravity(20℃) g/ml 1.06-1.08
Storage Temperature ℃ 10-25
Pot life Month 6

Recommended ratio

  pbw
DJD-102 100
HCFC-141B 18-25
POL: ISO 1.15-1.25

Technology and Reactivity Characteristics(the actual value varied as per process conditions)

  Manual Mixing(low pressure machine) High Pressure Machine Mixing
Material Temperature ℃ 20-25 20-25
Mould Temperature ℃    
Cream Times 35-40 35-40
Gel times 12±2 10±2
Tack free times 70-90 50-70
Free density kg/m3 100-120 80-100
  24-26 24-26

Foam performances

  GB/T 6343  
Moulding Density GB/T 10799 ≥35kg/m3
Closed-cell rate GB/T 3399 ≥92%
Thermal Conductivity(15℃) GB/T 8813 ≤19 mW/(m.K
Compressive strength GB/T 8811 ≥150kPa
Dimensional stability  (24h -20℃)   ≤0.5%
(24h 100℃)   ≤1.0%

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