Epoxies, Etc 20-2028 Foam in Place Rigid Polyurethane Foam

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Epoxies, Etc 20-2028 Foam in Place Rigid Polyurethane Foam
Categories:	Polymer; Thermoset; Silicone
Material Notes:	Description: 20-2028 is a light weight, two component, closed cell, liquid urethane foaming resin system. It produces a foam which will provide moisture resistance, high impact strength, better flow and fast mold cycle rates. The density is 11 pounds per cubic foot. 20-2028 is a water blown rigid foam that does not contain any hydrochlorofluorocarbon (HCFC). It is also safer to use since it does not utilize MOCA or TDI. 20-2028 has been formulated for ease in handling with a convenient 1:1 mix ratio. Castings can be hand poured or machine dispensed. Information provided by Epoxies, Etc
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Physical Properties	Original Value	Comments

Specific Gravity	1.23 g/cc	Mixed
Viscosity	250 cP	Resin
	1400 cP	Resin
Storage Temperature	21.0 - 29.0 °C

Mechanical Properties	Original Value	Comments
Hardness, Shore D	38
Tensile Strength	60.0 psi

Electrical Properties	Original Value	Comments
Dielectric Constant	1.25 @Frequency 1e+6 Hz
Dissipation Factor	0.0050 @Frequency 1e+6 Hz

Thermal Properties	Original Value	Comments
Thermal Conductivity	0.0400 W/m-K
Maximum Service Temperature, Air	150 °C
Minimum Service Temperature, Air	-50.0 °C

Descriptive Properties
Color	Tan
Cream Time	60 sec
Demolding Time	10 min
Mix Ratio	1:1

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PFEPOX009 / 316686

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