A. Schulman Premi-Glas® 1200H-15 Polyester SMC

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A. Schulman Premi-Glas® 1200H-15 Polyester SMC
Categories:	Polymer; Thermoset; Composite SMC; Polyester, TS; Thermoset Polyester Glass SMC
Material Notes:	Premi-Glas® 1200H-15 is a 15% fiberglass-reinforced, thermoset, Sheet Molding Compound designed for applications where good arc resistance and dielectric strength are required and UL 94 HB flame recognition is sufficient. Key features and benefits are: Underwriters Laboratory UL 94HB flame recognition at 1.47mm minimum wall thickness. U.L flame recognized in all colors. Excellent flexural strength and flexural modulus properties. Designed for compression molding in matched metal molds. Available in fiberglass content of 10-30%. The Premi-Glas 1200-H series carries U.L 746 C recognition for use in exterior applications following ultraviolet light, water emersion and exposure testing. A. Schulman has acquired this former Premix product line.
Key Words:	Sheet Molding Compound
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Physical Properties	Original Value	Comments

Specific Gravity	1.70 - 1.85 g/cc
Linear Mold Shrinkage	0.0015 - 0.0025 cm/cm	Polymerization Shrinkage

Mechanical Properties	Original Value	Comments
Tensile Strength	35.0 MPa	ASTM D638
Tensile Modulus	12.0 GPa	ASTM D638
Flexural Strength	95.0 MPa	ASTM D790
Flexural Modulus	9.50 GPa	ASTM D790
Compressive Strength	145 MPa	ASTM D695
Poissons Ratio	0.30
Shear Modulus	4.60 GPa	Calculated
Izod Impact, Notched	425 J/m	ASTM D256
Izod Impact, Unnotched	6.00 J/cm	ASTM D4812

Electrical Properties	Original Value	Comments
Dielectric Strength	15.0 kV/mm	ASTM D149
Arc Resistance	180 sec	ASTM D495

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	130 °C	UL 746C
UL RTI, Mechanical with Impact	130 °C	UL 746C
UL RTI, Mechanical without Impact	130 °C	UL 746C
Flammability, UL94	HB @Thickness 1.50 mm

Processing Properties	Original Value	Comments
Processing Temperature	150 °C	Compression Molding
Clamp Pressure	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 go back to viewing the property data in MatWeb's normal format.

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PPREMIX08 / 58173

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