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DuPont™ Formacel┬« foam expansion agents
Properties of DuPont™ Formacel® foam expansion agents


Compound

Formacel® S

Formacel® Z-4

Formacel® Z-2

Formula

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