VP-DC02 blend polyols is Paleyellowtransparentviscous liquid,thefoam hasgoodthermal insulation property, pale inweight, high compressionstrength andflame retardance andotheradvantages. It iswidelyusedto produce discontinuoussandwich plates,corrugated plates etc.
Typical Physical Index
Appearance
Paleyellowto brownviscous liquid
HydroxylValue
mgKOH/g
320-400
DynamicViscosity (25ºC)
mpa.s
250-350
Specificgravity (20ºC)
g/ml
1.10-1.16
StorageTemperature
ºC
10-25
Storage Stability
month
6
Recommended Ratio
Item
Manual mixing
Hightemperature machine
Mixing Ratio(PBW)
VP-DC02:Isocyanate=100:110
Raw Materialtemperature,ºC
25
25
Mouldtemperature,ºC
35-45
35-45
Creamtime,S
30-50
20-30
Geltime,S
120-200
70-150
Free densitykg/m3
30-32
30-32
Foam property
Item
Index
Mouldingdensity
40-50 kg/m3
Closed-cell rate
>90%
Thermal Conductivity,15ºC
<0.022W/m.K
Compressive Strength(Perpendiculartothe Direction of Rising)