NOVA Chemicals Dylark® 520XT Glass Reinforced Engineering Resin

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NOVA Chemicals Dylark® 520XT Glass Reinforced Engineering Resin (discontinued **)
Categories:	Polymer; Thermoplastic; SMA Polymer; Glass Reinforced, Modified SMA
Material Notes:	Features: Higher toughness product, Excellent stiffness, High heat resistance, Superior adhesion to urethane foam Applications: Instrument panel substrates, Mid-Consoles, Center Stacks, Interior trim
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Physical Properties	Original Value	Comments

Specific Gravity	1.16 g/cc	ISO 1183
Filler Content	15 %	Glass Fiber; ISO 3451-1
Linear Mold Shrinkage	0.0020 - 0.0040 in/in	ISO 2577
Melt Flow	1.1 g/10 min @Load 2.16 kg, Temperature 230 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Tensile Strength	55.0 MPa	ISO 527-2
Elongation at Yield	2.4 %	ISO 527-2
Tensile Modulus	4200 MPa	ISO 527-2
Flexural Strength	83.0 MPa	ISO 178
Flexural Modulus	4000 MPa	ISO 178
Izod Impact, Notched (ISO)	5.10 kJ/m² @Temperature -40.0 °C	ISO 180/1A
	11.4 kJ/m² @Temperature 23.0 °C	ISO 180/1A
Charpy Impact Unnotched	33.6 kJ/m²	ISO 179/1eU
Charpy Impact, Notched	13.8 kJ/m²	ISO 179/1eA

Thermal Properties	Original Value	Comments
CTE, linear	28.0 µin/in-°F	NOVA Chemicals Laboratory Procedure
Deflection Temperature at 1.8 MPa (264 psi)	115 °C @Thickness 4.00 mm	Unannealed; ISO 75-2

Processing Properties	Original Value	Comments
Processing Temperature	440 - 520 °F	Profile temperatures
Melt Temperature	450 - 520 °F	Air purge at equilibrium conditions
Mold Temperature	90.0 - 125 °F	Core mold surface temperature at equilibrium conditions
	115 - 140 °F	Cavity mold surface temperature at equilibrium conditions
Back Pressure	50.0 - 100 psi
Screw Speed	80 - 125 rpm

Descriptive Properties
Injection Speed	medium-fast

**
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PNOV855 / 108463

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