Resirene Resirene® CET® 240 Transparent Styrene/Methyl Methacrylate Copolymer (SMMA)

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Resirene Resirene® CET® 240 Transparent Styrene/Methyl Methacrylate Copolymer (SMMA)
Categories:	Polymer; Thermoplastic; Polystyrene (PS); Styrene/Methyl Methacrylate Copolymer (SMMA)
Material Notes:	Features: High Clarity, Easy to Process, Practical Toughness, FDA Compliant, USP Rating: Class VI Plastics, Gamma & EtO Sterilizable. Applications: Glassware, Appliances, Cosmetic Packaging, Medical devices, office accessories. Impact Modified Styrene Acrylic Copolymer (MBS). CET® polymers feature the versatility of styrene and the aesthetics of acrylic. Information provided by Resirene
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Physical Properties	Metric	English	Comments

Density	1.05 g/cc	0.0379 lb/in³	ASTM D792
Melt Flow	6.0 g/10 min @Load 5.00 kg, Temperature 200 °C	6.0 g/10 min @Load 11.0 lb, Temperature 392 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	25.0 MPa	3630 psi	0.2 in/min (5 mm/min); ASTM D638
Tensile Strength, Yield	30.0 MPa	4350 psi	0.2 in/min (5 mm/min); ASTM D638
Elongation at Break	70 %	70 %	0.2 in/min (5 mm/min); ASTM D638
Elongation at Yield	2.0 %	2.0 %	0.2 in/min (5 mm/min); ASTM D638
Tensile Modulus	1.90 GPa	276 ksi	0.2 in/min (5 mm/min); ASTM D638
Izod Impact, Notched	0.210 J/cm @Thickness 3.17 mm	0.393 ft-lb/in @Thickness 0.125 in	ASTM D256
Izod Impact, Unnotched	2.56 J/cm @Thickness 3.17 mm	4.80 ft-lb/in @Thickness 0.125 in	ASTM D256

Thermal Properties	Metric	English	Comments
Deflection Temperature at 1.8 MPa (264 psi)	76.0 °C	169 °F	unannealed; ASTM D648
Vicat Softening Point	99.0 °C	210 °F	ASTM D1525
Flammability, UL94	HB	HB

Optical Properties	Metric	English	Comments
Haze	4.0 %	4.0 %	ASTM D1003
Transmission, Visible	87 %	87 %	ASTM D1003

Processing Properties	Metric	English	Comments
Processing Temperature	<= 250 °C	<= 482 °F
Rear Barrel Temperature	170 - 180 °C	338 - 356 °F	Injection Molding
Middle Barrel Temperature	180 - 190 °C	356 - 374 °F	Injection Molding
Front Barrel Temperature	200 - 210 °C	392 - 410 °F	Injection Molding

Compliance Properties	Metric	English	Comments
FDA	Yes	Yes
USP Class VI	Yes	Yes

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PRESIR906 / 250127

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