Rigid foam system for solar energy

Rigid foam system for solar energy
Blend polyether polyol for solar energy
Physical properties
Appearance

Light yellow to brown yellow transparent liquid
OH
(mgKOH/g)
300-400
Dynamic viscosity(25)
mPa.s
300-450
Density(20)
g/ml
1.12-1.15
Storage Temperature

10--25
Storage stability
month
6

Process and reaction characteristics



Handed mix
For high pressure machine
Material Temperature

30-40
30--40
Mold Temperature

35-45
35--45
CT
s
12--16
5--10
GT
s
40-60
20--40
TFT
s
70--90
40--60
Free Density
kg/m3
30--35
28--33

Foam Properties

Density Apparent
GB/T 6343
≥35kg/m3
Obturator rate
GB/T 10799
≥90%
Initial thermal conductivity
GB/T 3399
≤19mW/(m.K)
Compressive strength
GB/T 8813
≥140kPa
Dimensional Stability 24 hours -20
GB/T 8811
≤0.5%
24 hours 100

≤1.0%