APCM DA 4518 Epoxy Pregpreg System

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APCM DA 4518 Epoxy Pregpreg System
Categories:	Polymer; Thermoset; Epoxy
Material Notes:	Description: DA 4518 is an epoxy prepreg designed for a temperature range of -67°F (-55°C) to 350°F (177°C), with a cure of 250°F (121°C) for one hour and or a cure of 350º F (177ºC) for 1 hour. This material needs to be post cure or cured to 350ºF to get the 350º properties Mechanical Properties: The data supplied are averages obtained on 12 plies of DA 4518 on 7781 glass cured one hour at 250°F (121°C) with a heat up rate of 5° per minute from room temperature. Information provided by Adhesive Prepegs for Composite Manufacturers, LLC
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Physical Properties	Metric	English	Comments

Volatiles	<= 1.0 %	<= 1.0 %

Mechanical Properties	Metric	English	Comments
Tensile Strength	476 MPa @Temperature 82.2 °C	69000 psi @Temperature 180 °F	ASTM D638
	496 MPa @Temperature 23.9 °C	72000 psi @Temperature 75.0 °F	ASTM D638
Tensile Modulus	29.6 GPa @Temperature 23.9 °C	4300 ksi @Temperature 75.0 °F	ASTM D638
	31.0 GPa @Temperature 82.2 °C	4500 ksi @Temperature 180 °F	ASTM D638
Flexural Strength	290 MPa @Temperature 177 °C	42000 psi @Temperature 350 °F	ASTM D790
	758 MPa @Temperature 82.2 °C	110000 psi @Temperature 180 °F	ASTM D790
	786 MPa @Temperature 23.9 °C	114000 psi @Temperature 75.0 °F	ASTM D790
	290 MPa @Temperature 177 °C, Time 86400 sec	42000 psi @Temperature 350 °F, Time 24.0 hour	ASTM D790
Flexural Modulus	31.7 GPa @Temperature 23.9 °C	4600 ksi @Temperature 75.0 °F	ASTM D790
	31.7 GPa @Temperature 82.2 °C	4600 ksi @Temperature 180 °F	ASTM D790

Processing Properties	Metric	English	Comments
Cure Time	60.0 min @Temperature 121 °C	1.00 hour @Temperature 250 °F
Gel Time	10.0 min @Temperature 121 °C	10.0 min @Temperature 250 °F
Shelf Life	1.00 Month @Temperature 23.9 °C	1.00 Month @Temperature 75.0 °F
	6.00 Month @Temperature 4.44 °C	6.00 Month @Temperature 40.0 °F
	12.0 Month @Temperature -17.8 °C	12.0 Month @Temperature 0.000 °F

Descriptive Properties
Form	Modified epoxy impregnated fabric
Resin Content	45-50%
Separator	Release paper and poly film

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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PAPCM006 / 187019

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