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H539 Blended polyol (low ISO index)

Application:
  Refrigerators and freezers.
Introduction:
  H539 is designed for cyclo-pentane blowing system. H539 can be used on both high and low pressure foaming machine.
Preponderances:
  Homogeneous density distribution
  High compressive strength
  Good dimensional stability
Properties:
  Appearance                                                       Yellow viscous liquid
  Viscosity                        cp, 25 Centigrade        2200-4000
  Water content                 %                                1.8-2.4
  OH number                    mgKOH/g                    380-440
Recommended formulation:
  H539                              pbw                             100
  Cyclo-pentane                pbw                             12-14.5
  MDI                                 pbw                             135-140
Reaction characteristics (hand mixing, 25 Centigrade):
  Cream time                    s                                  8-12
  Gel time                         s                                  60-80
  FRD                              Kg/m3                         23.0-27.0
Foam performances:
  Mould density                Kg/m3                         32.0-34.0
  Initial K factor                W/m.K                        0.0200MAX
  Compressive strength     MPa                            0.15MIN
  Dimensional stability      
    -30 Centigrade, 24hrs    %                                0.5MAX
Packing:
  215Kg/drum, 1000Kg/IBC or 22MT/isotank
Storage and shelf life:
  Environment temperature is 10-25 Centigrade. Shelf life is 6 months.
Safety data:
  Please feel free to contact us for MSDS.

 
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