DuPont Styrofoam™ Scoreboard Extruded Polystyrene Foam Insulation

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DuPont Styrofoam™ Scoreboard Extruded Polystyrene Foam Insulation
Categories:	Polymer; Thermoplastic; Polystyrene (PS); Expanded Polystyrene (EPS)
Material Notes:	STYROFOAM™ Brand Scoreboard Insulation is an extruded polystyrene foam insulation board that is scored longitudinally on 16” and 24” centers, making it easy to size to commonly used widths. STYROFOAM™ Brand Scoreboard Insulation has excellent insulating characteristics, high resistance to water and water vapor, exceptional compressive strength and long-term durability. STYROFOAM™ Brand Scoreboard Insulation is designed for use in exterior cavity wall and foundation applications. Like all STYROFOAM™ Brand Extruded Polystyrene products, STYROFOAM™ Brand Scoreboard Insulation resists moisture to deliver a stable R-value over the long term. This material is produced as sheets of closed-cell foam by a continuous extrusion process. Its properties will be different than expanded polystyrene beads because beads have voids between cell walls. This former Dow product line is now a DuPont product line.
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Physical Properties	Original Value	Comments

Water Absorption	<= 0.30 %	volume%; ASTM C272

Mechanical Properties	Original Value	Comments
Flexural Strength	>= 50.0 psi	ASTM C203
Compressive Strength	>= 25.0 psi	ASTM D1621

Thermal Properties	Original Value	Comments
CTE, linear	63.0 µm/m-°C @Temperature -30.0 - 30.0 °C	ASTM D696
Insulation R Value	>= 3.8 @Thickness 19.0 mm, Temperature 23.9 °C	ASTM C518
	>= 5.0 @Thickness 25.4 mm, Temperature 23.9 °C	ASTM C518
	>= 7.5 @Thickness 38.1 mm, Temperature 23.9 °C	ASTM C518
	>= 10 @Thickness 50.8 mm, Temperature 23.9 °C	ASTM C518
	>= 12.5 @Thickness 63.5 mm, Temperature 23.9 °C	ASTM C518
	>= 15 @Thickness 76.2 mm, Temperature 23.9 °C	ASTM C518
Maximum Service Temperature, Air	74.0 °C

Descriptive Properties
Dimensional Stability	2.0% Linear Change Max	ASTM D2126, Thermal and Humid Aging
Flame Spread	15 per ASTM E84
Smoke Developed	165 per ASTM E84
Water Vapor Permeance	1.5 perm Max	ASTM E96

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PDWZ00c / 209615

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