A. Schulman Premi-Glas® 2550® AM CR-SX Fiberglass Reinforced Thermoset SMC

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A. Schulman Premi-Glas® 2550® AM CR-SX Fiberglass Reinforced Thermoset SMC
Categories:	Polymer; Thermoset; Composite SMC; Filled/Reinforced Thermoset
Material Notes:	Premi-Glas 2550® AM CR-SX is an advanced fiberglass reinforced thermoset sheet molding compound for electrical, flame retardant and HVAC applications where stringent flame spread and smoke generation criteria are required in combination with anti-microbial properties. Key features and benefits are: Non-Halogen FR technology, and proprietary Anti-Microbial agents Meets Steiner Tunnel < 25 Flame spread index and < 50 Smoke index Required in some instances where > 10 square feet of composite is present Suitable for outdoor use in applications involving UV exposure and water immersion in accordance with UL746C (f1), 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	Metric	English	Comments

Specific Gravity	2.00 g/cc	2.00 g/cc
Linear Mold Shrinkage	0.00025 cm/cm	0.00025 in/in	Polymerization Shrinkage

Mechanical Properties	Metric	English	Comments
Tensile Strength	58.0 MPa	8410 psi	ASTM D638
Tensile Modulus	12.0 GPa	1740 ksi	ASTM D638
Flexural Strength	135 MPa	19600 psi	ASTM D790
Flexural Modulus	11.0 GPa	1600 ksi	ASTM D790
Izod Impact, Notched	5.10 J/cm	9.55 ft-lb/in	ASTM D256
Izod Impact, Unnotched	7.70 J/cm	14.4 ft-lb/in	ASTM D4812

Thermal Properties	Metric	English	Comments
UL RTI, Electrical	130 °C	266 °F	UL 746C
UL RTI, Mechanical with Impact	130 °C	266 °F	UL 746C
UL RTI, Mechanical without Impact	130 °C	266 °F	UL 746C
Flammability, UL94	V-0 @Thickness 1.50 mm	V-0 @Thickness 0.0591 in
	5VB @Thickness 1.50 mm	5VB @Thickness 0.0591 in
Flame Spread Index	10	10	UL723 Steiner Tunnel

Processing Properties	Metric	English	Comments
Processing Temperature	150 °C	302 °F	Compression Molding
Clamp Pressure	3.45 - 6.89 MPa	500 - 1000 psi	Molding Pressure

Descriptive Properties
Smoke Developed Index	40		UL723 Steiner Tunnel

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PPREMH969 / 140367

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