NOVA Chemicals EPS M77BG Expanded Polystyrene

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NOVA Chemicals EPS M77BG Expanded Polystyrene
Categories:	Polymer; Thermoplastic; Polystyrene (PS); Expanded Polystyrene (EPS)
Material Notes:	EPS has excellent physical properties, low energy consumption and has FDA compliant offerings. Its lightweight and proven performance makes it suitable for a wide variety of markets and applications including building & construction, geofoam, packaging, and cup & container. EPS enable customers to produce high-quality products that are sturdy, safe and durable. Features/Attributes: Low Density Potential, Controlled/Uniform, Expansion. Applications: Insulation, SIP's, Fabricated Packaging. Information provided by NOVA Chemicals.
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Physical Properties	Original Value	Comments

Bulk Density	38.0 - 40.0 lb/ft³
Volatiles	6.5 %	Pentane, by weight
Bead Size	0.850 mm	average size

Mechanical Properties	Original Value	Comments
Tensile Strength	0.414 MPa	@ 2 pcf; MIL-P-19644
	0.758 MPa	@ 3.5 pcf; MIL-P-19644
	1.10 MPa	@ 5 pcf; MIL-P-19644
Flexural Strength	20.0 psi	@ 1 pcf; ASTM C203
	110 psi	@ 3.5 pcf; ASTM C203
	165 psi	@ 5 pcf; ASTM C203
Compressive Strength	9.00 psi @Strain 10 %	@ 1 pcf; ASTM D-1621
	30.0 psi @Strain 10 %	@ 2 pcf; ASTM D-1621
	40.0 psi @Strain 10 %	@ 2.5 pcf; ASTM D-1621

Thermal Properties	Original Value	Comments
CTE, linear	35.0 µin/in-°F
Thermal Conductivity	0.210 - 0.240 BTU-in/hr-ft²-°F	K-factor, Lambda
	0.235 BTU-in/hr-ft²-°F	@ 2.5 pcf; ASTM C-518
	0.239 BTU-in/hr-ft²-°F	@ 2.0 pcf; ASTM C-518
	0.242 BTU-in/hr-ft²-°F	@ 1.5 pcf; ASTM C-518
	0.244 BTU-in/hr-ft²-°F	@ 1.25 pcf; ASTM C-518
	0.250 BTU-in/hr-ft²-°F	@ 1.0 pcf; ASTM C-518
Insulation R Value	3.9 - 4.2	per inch
Maximum Service Temperature, Air	175 °F

Descriptive Properties
Water Absorbed	0.03 lb/ft²	@ 5 pcf MIL P 19644
	0.04 lb/ft²	@ 1.5 pcf MIL P 19644
	0.04 lb/ft²	@ 2.0 pcf MIL P 19644
	0.04 lb/ft²	@ 2.5 pcf MIL P 19644
	0.04 lb/ft²	@ 3.0 pcf MIL P 19644
	0.05 lb/ft²	@ 1 pcf. MIL P 19644
Water Vapor Permeability (in)	0.5 - 1.5	ASTM C355. Plaques. Optimum fusion. 2.2 pcf
	0.5 - 1.5	ASTM C355. Plaques. Optimum fusion. 2.5 pcf
	0.5 - 2.0	ASTM C355. Plaques. Optimum fusion. 1.4 pcf
	1.0-2.0	ASTM C355. Plaques. Optimum fusion. 1.0 pcf
	1.0-2.0	ASTM C355. Plaques. Optimum fusion. 2.3 pcf
	1.5-3.0	ASTM C355. Plaques. Optimum fusion. 1.0 pcf

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PNOV623 / 249078

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