Properties of DuPont™ Formacel® foam expansion agents
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|
|
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Formula
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CHCLF2
|
CF3CH2F
|
CHF2CH3
|
Molecular Weight
|
86.5
|
102
|
66
|
Boiling Point, °C (°F)
|
-40.8 (-41.4)
|
-26.1 (-14.9)
|
-24.2 (-11.5)
|
Vapor Pressure
at 25°C (psia)
|
151.4
|
96.6
|
86.7
|
Vapor Thermal Conductivity
at 25°C Btu/(hr)(ft)(°F)
|
0.0066
|
0.00835
|
0.0087
|
Flammable Limits (Vol%)
|
NONE
|
NONE
|
3.9 - 16.9
|
Toxicity, ppm
|
1,000 (TLV)
|
1,000 (AEL)
|
1,000 (AEL)
|
ODP
|
0.05
|
0
|
0
|
GWP (100-year ITH, CO2 = 1)
|
1,700
|
1,300
|
140
|
VOC Status
|
EXEMPT
|
EXEMPT
|
EXEMPT
|
|
