NOVA Chemicals Expandable Polystyrene (EPS) R185B Expandable Polystyrene Resin

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NOVA Chemicals Expandable Polystyrene (EPS) R185B Expandable Polystyrene Resin
Categories:	Polymer; Thermoplastic; Polystyrene (PS); Expanded Polystyrene (EPS)
Material Notes:	Packaging/Fabricated Packaging; Regular Grade Features/Attributes: Mid-Range Pentane Reduced Prepuff Age Times Fast Molding Cycles Applications: Packaging Fabricated Packaging Shippers/Coolers R185B resins should be stored in a cool, dry place away from direct sunlight. 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	>= 0.0175 g/cc	Batch Pre-Expander
	>= 0.0225 g/cc	Continuous Pre-Expander
Filler Content	5.0 %	Mid-Range Pentane Content, by weight
	5.2 %	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	Mean Unexpanded Bead Size
	875 µm	"B" 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
Thermal Conductivity	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
Cumulative US Standard Sieve	96% thru 16 on 30
Pre-Puff Age Time (Hours)	4-36	Depending on pre-expanded density and method of bead pre-expansion

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PNOVB115 / 194723

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