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POLYOL

POLYOL
文章来源:未知 发布时间: 2016-08-03 浏览量:

H563 Blended polyol (short demould time)
Application:
  Refrigerators and freezers.
Introduction:
  H563 is designed for cyclo-pentane blowing system. H563 can be used on both high and low pressure foaming machine.
Preponderances:
  Very short demould time
  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:
  H563                             pbw                             100
  Cyclo-pentane              pbw                             12-14
  MDI                               pbw                             142-148
Reaction characteristics (hand mixing, 25 Centigrade):
  Cream time                    s                                  8-12
  Gel time                         s                                  60-80
  FRD                              Kg/m3                         24.0-27.0
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
  Demould time                 min                              4
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.
 


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.


H577 Blended polyol (low density)
Application:
  Refrigerators and freezers.
Introduction:
  H577 is designed for cyclo-pentane blowing system. H577 can be used on high pressure foaming machine.
Preponderances:
  Low mould density
  Good adhesive ability
  Good demould ability, high compressive strength, good flowing ability
  Less open cell content on the foam surface, good dimensional stability in low temperature
Properties:
  Appearance                                                       Transparent to light yellow liquid
  Viscosity                        cp, 25 Centigrade        2500-4000
  Water content                 %                                1.8-2.8
  OH number                    mgKOH/g                    350-450
  Special gravity                g/ml, 20 Centigrade      1.0-1.2
Recommended formulation:
  H577                             pbw                             100
  Cyclo-pentane                pbw                             12-14
  MDI                              pbw                             142-148
Reaction characteristics (hand mixing, 21-23 Centigrade):
  Cream time                    s                                  8-14
  Gel time                         s                                  60-90
  Tack free time                s                                  90-120
  FRD                              Kg/m3                         23.0-25.0
Foam performances:
  Mould density                Kg/m3                         31.0-33.0
  Initial K factor                W/m.K                        0.0205MAX
  Closed cell contest         %                                95MIN
  Compressive strength     MPa                            0.15MIN
Dimensional stability       
  -30 Centigrade, 24hrs    %                                1.0MAX
Packing:
  215Kg/drum, 1000Kg/IBC or 22MT/isotank
Storage and shelf life:
  Environment temperature is 10-25 Centigrade. Avoid insolating and raining. Shelf life is 6 months.
Safety data:
  Please feel free to contact us for MSDS.
 

H566 Blended polyol (low K factor)
Application:
  Refrigerators and freezers.
Introduction:
  H566 is designed for cyclo-pentane blowing system. H566 can be used on high pressure foaming machine.
Preponderances:
  Low K factor
  Good adhesive ability
  Short demould time, flowing ability
  High compressive strength, good dimensional stability on low temperature
Properties:
  Appearance                                                       Transparent to light yellow liquid
  Viscosity                        cp, 25 Centigrade        2500-4000
  Water content                 %                                1.8-2.8
  OH number                    mgKOH/g                    350-450
  Special gravity                g/ml, 20 Centigrade      0.9-1.3
Recommended formulation:
  H566                             pbw                             100
  Cyclo-pentane                pbw                             12-14
  MDI                              pbw                             140-145
Reaction characteristics (hand mixing, 21-23 Centigrade):
  Cream time                    s                                  8-14
  Gel time                         s                                  50-80
  Tack free time                s                                  90-120
  FRD                              Kg/m3                         24.0-27.0
Foam performances:
  Mould density                Kg/m3                         33.0
  Initial K factor                W/m.K                        0.0195MAX
  Closed cell contest         %                                95MIN
  Compressive strength     MPa                            0.16MIN
  Dimensional stability       
    -30 Centigrade, 72hrs    %                                1.0MAX
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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