A. Schulman Premi-Glas® 1200-25 Fiberglass Reinforced Thermoset SMC

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A. Schulman Premi-Glas® 1200-25 Fiberglass Reinforced Thermoset SMC
Categories:	Polymer; Thermoset; Composite SMC; Filled/Reinforced Thermoset
Material Notes:	Premi-Glas® 1200-25 is a fiberglass reinforced thermoset sheet molding compound for general purpose applications requiring thermal stability and stiffness. Key features and benefits are: Excellent stiffness to weight ratio, non-melting Good dimensional stability, including excellent thermal resistance Pigmentable for molded-in color; best appearance with mold texture Excellent property retention in cold and hot environments Good corrosion resistance except in acid environments. 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	1.70 - 1.85 g/cc	1.70 - 1.85 g/cc
Linear Mold Shrinkage	0.0015 - 0.0030 cm/cm	0.0015 - 0.0030 in/in	Polymerization Shrinkage

Mechanical Properties	Metric	English	Comments
Tensile Strength	60.0 MPa	8700 psi	ASTM D638
Tensile Modulus	12.0 GPa	1740 ksi	ASTM D638
Flexural Strength	150 MPa	21800 psi	ASTM D790
Flexural Modulus	11.0 GPa	1600 ksi	ASTM D790
Compressive Strength	190 MPa	27600 psi	ASTM D695
Poissons Ratio	0.30	0.30
Shear Modulus	4.60 GPa	667 ksi	Calculated
Izod Impact, Notched	7.00 J/cm	13.1 ft-lb/in	ASTM D256
Izod Impact, Unnotched	10.0 J/cm	18.7 ft-lb/in	ASTM D4812

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	35.0 µm/m-°C	19.4 µin/in-°F	Z Direction
CTE, linear, Transverse to Flow	25.0 µm/m-°C	13.9 µin/in-°F	XY Direction
Thermal Conductivity	0.300 W/m-K	2.08 BTU-in/hr-ft²-°F

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

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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PPREMH949 / 140347

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