Evonik ACRYMID® TT50 Acrylic Molding Compound

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Evonik ACRYMID® TT50 Acrylic Molding Compound
Categories:	Polymer; Thermoplastic; Acrylic (PMMA)
Material Notes:	The ACRYLITE® Heatresist and ACRYMID® products are crystal-clear molding compounds offering higher heat deflection temperatures under load than other grades of ACRYLITE®. ACRYMID® TT50 and TT70: ACRYMID® TT50 and TT70 are poly-methyl methacrylimide (PMMI) compounds that offer very high heat deflection temperatures. They are suitable for high-temperature applications such as headlamp lenses, drum lenses and built-in furniture lighting. Besides their high light transmission, clarity, excellent strength and rigidity, these specialty molding compounds offer extremely stable optical values after long-term exposure to heat. Information provided by Evonik
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Physical Properties	Metric	English	Comments

Density	1.21 g/cc	0.0437 lb/in³	ISO 1183
Water Absorption	0.63 %	0.63 %	ISO 62
Water Absorption at Saturation	4.0 %	4.0 %	ISO 62
Linear Mold Shrinkage	0.0020 - 0.0050 cm/cm	0.0020 - 0.0050 in/in	ISO 294
Melt Flow	5.0 g/10 min @Load 10.0 kg, Temperature 260 °C	5.0 g/10 min @Load 22.0 lb, Temperature 500 °F	ISO 1133

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	80.0 MPa	11600 psi	5 mm/min; ISO 527
Elongation at Break	3.0 %	3.0 %	5 mm/min; ISO 527
Tensile Modulus	4.00 GPa	580 ksi	1 mm/min; ISO 527
Charpy Impact Unnotched	2.00 J/cm²	9.52 ft-lb/in²	ISO 179/1eU

Thermal Properties	Metric	English	Comments
CTE, linear	95.4 µm/m-°C @Temperature 0.000 - 50.0 °C	53.0 µin/in-°F @Temperature 32.0 - 122 °F	ISO 11359
Deflection Temperature at 0.46 MPa (66 psi)	140 °C	284 °F	ISO 75
Deflection Temperature at 1.8 MPa (264 psi)	132 °C	270 °F	ISO 75
Vicat Softening Point	150 °C	302 °F	B/50°C; ISO 306
Glass Transition Temp, Tg	151 °C	304 °F	IEC 10006
Flammability, UL94	HB @Thickness 1.60 mm	HB @Thickness 0.0630 in	IEC 707

Optical Properties	Metric	English	Comments
Refractive Index	1.53	1.53	ISO 489
Transmission, Visible	91 %	91 %	ISO 13458-2

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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