A. Schulman Premi-Glas® 1266 (Injection Compression Molded) Glass Reinforced TMC

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A. Schulman Premi-Glas® 1266 (Injection Compression Molded) Glass Reinforced TMC
Categories:	Polymer; Thermoset; Composite SMC; Filled/Reinforced Thermoset; Polyester, TS; Thermoset Polyester Glass Filled BMC
Material Notes:	Description: Premi-Glas® 1266 is a glass reinforced thermoset molding compound designed for automotive under the hood applications. Key features and benefits: Designed for Injection or Injection/Compression Molding Excellent resistance to automotive chemicals and fluids, and to salt spray Replaces Cast Metals for Reduced Noise, Vibration and Harshness TMC compounding process preserves glass integrity for excellent strength vs. BMC Excellent thermal properties and elevated temperature modulus retention Mechanical data below are from injection-compression panels; see separate data sheet for compression molded properties as per some specification requirements Market: Composite PowerTrain Information provided by Premix. A. Schulman has acquired this former Premix product line.
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Physical Properties	Metric	English	Comments

Specific Gravity	1.74 g/cc	1.74 g/cc
Water Absorption	0.20 %	0.20 %	ISO 62
Linear Mold Shrinkage	0.00065 cm/cm	0.00065 in/in	Polymerization Shrinkage

Mechanical Properties	Metric	English	Comments
Tensile Strength	40.0 MPa	5800 psi	ISO 527
Tensile Modulus	12.0 GPa	1740 ksi	ISO 527
Flexural Strength	80.0 MPa	11600 psi	ISO 178
Flexural Modulus	10.0 GPa	1450 ksi	Tangent; ISO 178
Poissons Ratio	0.27	0.27
Shear Modulus	4.70 GPa	682 ksi	Calculated
Izod Impact, Unnotched (ISO)	10.0 kJ/m²	4.76 ft-lb/in²	ISO 180

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	0.400 W/m-K	2.78 BTU-in/hr-ft²-°F
Deflection Temperature at 1.8 MPa (264 psi)	>= 270 °C	>= 518 °F	ISO 75
Glass Transition Temp, Tg	204 °C	399 °F	ASTM D4065-01

Processing Properties	Metric	English	Comments
Processing Temperature	160 °C	320 °F	Injection or Injection-Compression Molding
Clamp Pressure	<= 6.89 MPa	<= 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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