A. Schulman Premi-Glas® 2203-25 CR-SX-HT Fiberglass Reinforced Thermoset SMC

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A. Schulman Premi-Glas® 2203-25 CR-SX-HT Fiberglass Reinforced Thermoset SMC
Categories:	Polymer; Thermoset; Composite SMC; Filled/Reinforced Thermoset
Material Notes:	Premi-Glas® 2203-25 CR-SX-HT is a fiberglass reinforced thermoset sheet molding compound for electrical and flame retardant applications. Key features and benefits are: Enhanced product for higher UL long term operating temperature Good dimensional stability, including excellent thermal resistance Pigmentable for molded-in color; best appearance with mold texture Recognized by Underwriter's Laboratories, File #E42524 Designed for compression molding in matched metal die molds. A. Schulman has acquired this former Premix product line.
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Physical Properties	Original Value	Comments

Specific Gravity	1.70 - 1.85 g/cc
Linear Mold Shrinkage	0.0015 - 0.0035 cm/cm	Polymerization Shrinkage

Mechanical Properties	Original Value	Comments
Tensile Strength	65.0 MPa	ASTM D638
Tensile Modulus	11.0 GPa	ASTM D638
Flexural Strength	155 MPa	ASTM D790
Flexural Modulus	9.00 GPa	ASTM D790
Poissons Ratio	0.30
Shear Modulus	4.20 GPa	Calculated
Izod Impact, Notched	750 J/m	ASTM D256
Izod Impact, Unnotched	10.0 J/cm	ASTM D4812

Electrical Properties	Original Value	Comments
Dielectric Strength	15.0 kV/mm	ASTM D149
Arc Resistance	180 sec	ASTM D495
Comparative Tracking Index	600 V	ASTM D2303

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	35.0 µm/m-°C	Z Direction
CTE, linear, Transverse to Flow	25.0 µm/m-°C	XY Direction
Thermal Conductivity	0.300 W/m-K
UL RTI, Electrical	155 °C	UL 746C
UL RTI, Mechanical with Impact	160 °C	UL 746C
UL RTI, Mechanical without Impact	160 °C	UL 746C
Flammability, UL94	V-0 @Thickness 2.50 mm

Processing Properties	Original Value	Comments
Processing Temperature	150 °C	Compression Molding
Clamp Pressure	500 - 1000 psi	Molding Pressure

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PPREMH984 / 140382

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