NOVA Chemicals Expandable Polystyrene (EPS) M77BLV Expandable Polystyrene Resin

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NOVA Chemicals Expandable Polystyrene (EPS) M77BLV Expandable Polystyrene Resin
Categories:	Polymer; Thermoplastic; Polystyrene (PS); Expanded Polystyrene (EPS)
Material Notes:	Low Pentane Modified Grade Features/Attributes: Low Pentane Reduced Prepuff Age Times Fast Molding Cycles Controlled/Uniform Expansion Applications: Insulation SIP's Fabricated Packaging Geofoam The thermal conductivity of expanded polystyrene at an average temperature of 75°F (24°C) is lowest at 3.5 pounds per cubic foot (pcf). It rises slightly at lower density until about 1.5 pcf where it increases rapidly. The rate of increase is much less at higher densities: 8.0 pcf (128 g/l) - 0.269 Btu-in/(hr-ft²-°F) or 38.7 mW/(m-K) 12.0 pcf (192 g/l) - 0.276 Btu-in/(hr-ft²-°F) or 39.8 mW/(m-K) NOVA Chemicals EPS resins are biologically and chemically inert. NOVA Chemicals EPS resins are do not contain CFC's (Chlorofluorocarbons). Information provided by NOVA Chemicals®
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Physical Properties	Original Value	Comments

Bulk Density	38.0 - 40.0 lb/ft³
Density	>= 0.0144 g/cc	Batch Pre-Expander
	0.0144 g/cc	Double Pass Continuous
	>= 0.0192 g/cc	Single Pass Continuous Pre-Expander
Filler Content	4.5 %	Pentane Content
	4.5 %	Targeted Pentane Content
Water Absorption	0.030 %	Actual, Lbs of Water Absorbed per sq. ft. of Specimen Surface, 5.0 pcf
	0.040 %	Actual, Lbs of Water Absorbed per sq. ft. of Specimen Surface, 1.5 pcf
	0.040 %	Actual, Lbs of Water Absorbed per sq. ft. of Specimen Surface, 2.0 pcf
	0.040 %	Actual, Lbs of Water Absorbed per sq. ft. of Specimen Surface, 2.5 pcf
	0.040 %	Actual, Lbs of Water Absorbed per sq. ft. of Specimen Surface, 3.0 pcf
	0.050 %	Actual, Lbs of Water Absorbed per sq. ft. of Specimen Surface, 1.0 pcf
	<= 0.10 %	Max, Lbs of Water Absorbed per sq. ft. of Specimen Surface, 5.0 pcf
	<= 0.12 %	Max, Lbs of Water Absorbed per sq. ft. of Specimen Surface, 3.0 pcf
	<= 0.12 %	Max, Lbs of Water Absorbed per sq. ft. of Specimen Surface, 2.0 pcf
	<= 0.12 %	Max, Lbs of Water Absorbed per sq. ft. of Specimen Surface, 1.0 pcf
Particle Size	850 µm	"B" Bead Size
	850 µm	Mean Unexpanded Bead Size
Permeability	0.50 - 1.5	in; Optimum Fusion, Plaques, 2.2 pcf
	0.50 - 1.5	in; Optimum Fusion, Plaques, 2.5 pcf
	0.50 - 2.0	in; Optimum Fusion, Plaques, 1.4 pcf
	1.0 - 2.0	in; Minimum Fusion, Plaques, 2.3 pcf
	1.0 - 2.0	in; Optimum Fusion, Plaques, 1.0 pcf
	1.0 - 2.5	in; Optimum Fusion, Blocks, 2.2 pcf
	1.0 - 2.5	in; Optimum Fusion, Blocks, 2.5 pcf
	1.5 - 3.0	in; Optimum Fusion, Blocks, 1.0 pcf
	1.5 - 3.0	in; Optimum Fusion, Blocks, 1.4 pcf
	1.5 - 3.0	in; Minimum Fusion, Blocks, 2.3 pcf
	1.5 - 3.0	in; Minimum Fusion, Plaques, 1.0 pcf
	2.0 - 3.5	in; Minimum Fusion, Blocks, 1.0 pcf

Thermal Properties	Original Value	Comments
CTE, linear	35.0 µin/in-°F
Thermal Conductivity	0.210 - 0.240 BTU-in/hr-ft²-°F
	0.235 BTU-in/hr-ft²-°F	2.5 pcf
	0.239 BTU-in/hr-ft²-°F	2.0 pcf
	0.242 BTU-in/hr-ft²-°F	1.5 pcf
	0.244 BTU-in/hr-ft²-°F	1.25 pcf
	0.255 BTU-in/hr-ft²-°F	1.0 pcf
Maximum Service Temperature, Air	175 °F

Descriptive Properties
Pre-Puff Age Time (Hours)	8-48	Depending on pre-expanded density and method of bead pre-expansion
Thermal Resistance (per inch)	3.9 - 4.2	(R-Value)

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PNOVB133 / 194741

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