Ineos ABS Lustran® 308 ABS, Medical Grade

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Ineos ABS Lustran® 308 ABS, Medical Grade (discontinued **)
Categories:	Polymer; Thermoplastic; ABS Polymer; Acrylonitrile Butadiene Styrene (ABS), Molded
Material Notes:	Lustran® ABS 308 resin is a low gloss, easy-flowing grade of ABS (acrylonitrile butadiene styrene). This injection molding grade offers a good balance of rigidity, impact strength, and abuse resistance. The resin is available in natural (000000). Lustran® ABS 308 resin is designed for applications requiring a good balance of physical properties and a low-gloss appearance. Typical applications include components of intravenous (IV) systems, diagnostic test kits, and surgical instruments. As with any product, use of Lustran® ABS 308 resin in a given application must be tested (including but not limited to field testing) in advance by the user to determine suitability. Lustran® ABS 308 resin is designated as “medical-grade” and has met the requirements of the FDA-Modified ISO 10993, Part I “Biological Evaluation of Medical Devices” tests with human tissue contact time of 30 days or less. Regrind must not be used in medical applications requiring biocompatibility. Lustran® is now a product of INEOS Styrolution. Information provided by the manufacturer.
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Physical Properties	Original Value	Comments

Density	1.06 g/cc	ASTM-D792
Linear Mold Shrinkage	0.0040 - 0.0070 cm/cm	ASTM-D955
Melt Flow	7.0 g/10 min @Load 3.80 kg, Temperature 230 °C	Rate; ASTM-D1238
	21 g/10 min @Load 10.0 kg, Temperature 220 °C	Index; ASTM-D1238

Mechanical Properties	Original Value	Comments
Hardness, Rockwell R	105	ASTM-D785
Tensile Strength, Yield	36.0 MPa	ASTM-D638
Tensile Modulus	2.20 GPa	ASTM-D638
Flexural Yield Strength	72.0 MPa	ASTM-D790
Flexural Modulus	2400 MPa	ASTM-D790
Izod Impact, Notched	171 J/m @Thickness 3.20 mm	ASTM-D256

Thermal Properties	Original Value	Comments
CTE, linear	90.0 µm/m-°C	ASTM-D696
Deflection Temperature at 0.46 MPa (66 psi)	88.0 °C @Thickness 3.20 mm	Unannealed; ASTM-D648
	92.0 °C @Thickness 12.7 mm	Unannealed; ASTM-D648
	100 °C @Thickness 3.20 mm	Annealed; ASTM-D648
	102 °C @Thickness 12.7 mm	Annealed; ASTM-D648
Deflection Temperature at 1.8 MPa (264 psi)	75.0 °C @Thickness 3.20 mm	Unannealed; ASTM-D648
	87.0 °C @Thickness 12.7 mm	Unannealed; ASTM-D648
	95.0 °C @Thickness 3.20 mm	Annealed; ASTM-D648
	100 °C @Thickness 12.7 mm	Annealed; ASTM-D648
Vicat Softening Point	106 °C	Rate B; ASTM-D1525

Processing Properties	Original Value	Comments
Rear Barrel Temperature	235 - 250 °C	Injection Molding
Middle Barrel Temperature	240 - 255 °C	Injection Molding
Front Barrel Temperature	245 - 260 °C	Injection Molding
Nozzle Temperature	245 - 260 °C	Injection Molding
Melt Temperature	245 - 265 °C	Injection Molding
Mold Temperature	45.0 - 65.0 °C	Injection Molding
Drying Temperature	71.0 - 77.0 °C @Time 14400 sec
	82.0 - 88.0 °C @Time 7200 sec
Moisture Content	<= 0.10 %
Dew Point	<= -29.0 °C	inlet air
Injection Pressure	10000 - 16000 psi	Injection Molding
Back Pressure	50.0 - 100 psi	Injection Molding
Clamp Pressure	30.8 - 61.6 MPa	Injection Molding
Cushion	<= 0.250 in	Injection Molding

Descriptive Properties
Hold Pressure	50-75% of Injection Pressure, Injection Molding
Injection Speed	High	Injection Molding
Screw Compression Ratio	2.5:1	Injection Molding
Screw Length-to-Diameter Ratio	>= 20:1	Injection Molding
Screw Speed	Moderate, Injection Molding
Shot Weight-to-Machine Capacity Ratio	0.5-0.75	Injection Molding

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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