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NOVA Chemicals Dylark® 232 High Performance Styrenic, Transparent Grade

Category Polymer , Thermoplastic , Polystyrene (PS)
Manufacturer NOVA Chemicals
Trade Name Dylark®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
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Material Notes:
High heat resistance, Sparking water-white clarity, Good chemical resistance, High modulus, for superior shear and torque resistanceApplications: Light pipes and lighting, High heat microwave packaging, Cosmetics, Dishwasher safe tumblers, Coatings and adhesivesInjection Speed: Medium-FastInformation provided by NOVA Chemicals.INEOS NOVA began October 1 2007 as an expansion of the 50:50 joint venture between NOVA Chemicals and INEOS to include North American assets. 
Physical Properties Metric English Comments
Density 1.08 g/cc
0.0390 lb/in³
ASTM D792
Water Absorption 0.10 %
0.10 %
ASTM D570
Linear Mold Shrinkage 0.0050 cm/cm
0.0050 in/in
NOVA
Melt Flow 1.9 g/10 min

@Load 2.16 kg,
Temperature 230 °C
1.9 g/10 min

@Load 4.76 lb,
Temperature 446 °F
Condition L; ASTM D1238
Mechanical Properties Metric English Comments
Hardness, Rockwell L 108
108
ASTM D785
Tensile Strength, Ultimate 49.7 MPa
7210 psi
ASTM D638
Elongation at Break 1.8 %
1.8 %
ASTM D638
Modulus of Elasticity 3.17 GPa
460 ksi
ASTM D638
Flexural Yield Strength 112 MPa
16200 psi
ASTM D790
Flexural Modulus 3.64 GPa
528 ksi
ASTM D790
Thermal Properties Metric English Comments
CTE, linear 68.0 µm/m-°C

@Temperature 20.0 °C
37.8 µin/in-°F

@Temperature 68.0 °F
NOVA
Deflection Temperature at 1.8 MPa (264 psi) 108 °C

@Diameter 6.35 mm
226 °F

@Diameter 0.250 in
bar; ASTM D648
Vicat Softening Point 122 °C
252 °F
ASTM D1525
Optical Properties Metric English Comments
Refractive Index 1.583
1.583
Haze <= 2.0 %
<= 2.0 %
ASTM D1003
Transmission, Visible 88 %
88 %
ASTM D1003
Processing Properties Metric English Comments
Processing Temperature 177 - 260 °C
351 - 500 °F
Profile Temperature
Melt Temperature 204 - 260 °C
399 - 500 °F
Air purge at equilibrium conditions
Mold Temperature 43.0 - 60.0 °C
109 - 140 °F
Mold surface temperature at equilibrium conditions
Back Pressure 0.345 - 0.689 MPa
50.0 - 100 psi
Screw Speed 40 - 80 rpm
40 - 80 rpm
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