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H467 Blended polyol (low initial K factor)

Application:
  Refrigerators and freezers
Introduction:
  H467 is a low initial K factor blended polyol with HCFC-141b as blowing agent. The low initial K factor foam made by H467 and MDI has low mould density, good dimensional stability etc. H467 can be used in both high and low pressure foaming machine.
Properties:
  Appearance                                                    Yellow viscous liquid
  Viscosity                       cp, 25 Centigrade        2200-4000
  OH number                   mgKOH/g                   340-420
  Special gravity               g/ml, 20 Centigrade     1.11
Recommended formulation:
  H467                            pbw                           100
  HCFC-141b                  pbw                           22-28
  MDI                              pbw                           145-150
Reaction characteristics (hand mixing, 23-24 Centigrade):
  Cream time                   s                                  8-10
  Gel time                        s                                 70-80
  Tack free time               s                                100-120
  FRD                             Kg/m3                        24.0-27.0
Foam performance:
  Mould density                Kg/m3                            34.0
  Initial K factor                W/m.K                         0.0185
  Closed cell content         %                               95MIN
  Compressive strength     MPa                          0.15MIN
  Dimensional stability      
    -30 Centigrade, 72hrs     %                              1.0MAX
Packing:
  215Kg/drum, 1000Kg/IBC or about 22MT/isotank
Storage and shelf life:
  Environment temperature is 10-25 Centigrade. Keep dry and ventilated. Shelf life is 6 months.
Safety data:
  Please feel free to contact us for MSDS.

 
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