Ineos Nova 2590 General Purpose Crystal Polystyrene

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USP Class VI Approved Adhesives for Medical Device Applications
Master Bond’s biocompatible adhesives are designed to meet the needs of medical device manufacturers. Compounds withstand various types of sterilization methods.

Ineos Nova 2590 General Purpose Crystal Polystyrene (discontinued **)
Categories:	Polymer; Thermoplastic; Polystyrene (PS); Polystyrene, Transparent Grade
Material Notes:	Good blending resin, Good balance of flow, strength and heat resistance, USP Class VI Applications: Consumer electronics, Housewares, Co-extrusion cap coat, Impact resin cutting Exposure to gamma radiation in the 2.02-6.06 megarad range has no significant effect on the physical and optical properties of the material. Properties were determined on injection molded specimens at 23°C and 50% R.H. unless otherwise specified. Information 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.
Key Words:	GPPS
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Physical Properties	Metric	English	Comments

Density	1.04 g/cc	0.0376 lb/in³	ASTM D792
Linear Mold Shrinkage	0.0040 - 0.0070 cm/cm	0.0040 - 0.0070 in/in	ASTM D955
Melt Flow	7.0 g/10 min	7.0 g/10 min	Condition G

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell M	75	75
Tensile Strength, Yield	43.0 MPa	6240 psi	ASTM D638
Elongation at Break	2.0 %	2.0 %	ASTM D638
Modulus of Elasticity	3.103 GPa	450.1 ksi	ASTM D638
Flexural Yield Strength	76.0 MPa	11000 psi	ASTM D790
Flexural Modulus	3.448 GPa	500.1 ksi	ASTM D790

Electrical Properties	Metric	English	Comments
Dielectric Constant	2.59 @Frequency 1e+6 Hz	2.59 @Frequency 1e+6 Hz
Dielectric Strength	19.7 kV/mm @Thickness 3.17 mm	500 kV/in @Thickness 0.125 in

Thermal Properties	Metric	English	Comments
Deflection Temperature at 1.8 MPa (264 psi)	85.0 °C	185 °F	ASTM D648
Vicat Softening Point	102 °C	216 °F	ASTM D1525

Optical Properties	Metric	English	Comments
Refractive Index	1.59 @Wavelength 589.3 nm	1.59 @Wavelength 589.3 nm	sodium D line
Optical Density	0.046	0.046	400-700 mm avg.
Transmission, Visible	88 - 90 %	88 - 90 %	at 550 mm

Processing Properties	Metric	English	Comments
Melt Temperature	190 - 274 °C	374 - 525 °F
Mold Temperature	38.0 - 82.0 °C	100 - 180 °F

Compliance Properties	Metric	English	Comments
USP Class VI	Yes	Yes

**
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PNOVA022 / 54923

USP Class VI Approved Adhesives for Medical Device Applications
Master Bond’s biocompatible adhesives are designed to meet the needs of medical device manufacturers. Compounds withstand various types of sterilization methods.

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