Trinseo Plexiglas® HFI7 Acrylic

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Trinseo Plexiglas® HFI7 Acrylic
Categories:	Polymer; Thermoplastic; Acrylic (PMMA); Acrylic, High Flow, Molded
Material Notes:	Plexiglas® HFI7 is an impact modified thermoplastic acrylic resin formulated for injection molding. It has very high melt flow, enhanced mold release properties and provides 7 times the impact resistance of standard acrylics while maintaining excellent optical properties. It offers an excellent balance between melt flow and increased resistance to breakage, while providing weatherability superior to that provided by other high-impact plastics. Supplemental moldflow simulation data is available. Appearance: Clear/Transparent; Colors Available; Opaque; Translucent Characteristics: High Flow; Scratch Resistant; High Clarity; Good Color Stability; Good Dimensional Stability; Low Shrinkage; Good Thermal Stability; Good UV Resistance; Good Weather Resistance; Good Toughness; Medium Impact Resistance Applications: Automotive Applications; Appliances; Lighting Diffusers Arkema has sold the American Plexiglas® product line to Trinseo, finalized in 2021.
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Physical Properties	Original Value	Comments

Specific Gravity	1.17 g/cc	ASTM D792
Water Absorption	0.30 %	24 hr. immersion; ASTM D570
Linear Mold Shrinkage	0.0030 - 0.0060 cm/cm	ASTM D955
Melt Flow	10 g/10 min @Load 3.80 kg, Temperature 230 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Hardness, Rockwell M	65	ASTM D785
Tensile Strength, Ultimate	6800 psi	ASTM D638
Elongation at Break	35 %	ASTM D638
Tensile Modulus	355000 psi	ASTM D638
Flexural Strength	<= 12400 psi	ASTM D790
Flexural Modulus	355000 psi	ASTM D790
Izod Impact, Notched	0.600 ft-lb/in	ASTM D256

Thermal Properties	Original Value	Comments
Thermal Conductivity	1.40 BTU-in/hr-ft²-°F	ASTM C177
Deflection Temperature at 0.46 MPa (66 psi)	191 °F	annealed; ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	179 °F	annealed; ASTM D648
Vicat Softening Point	184 °F	50°C/hr; 50N; ASTM D1525
	203 °F	50°C/hr; 10N; ASTM D1525
Flammability, UL94	HB

Optical Properties	Original Value	Comments
Refractive Index	1.49 @Temperature 22.8 °C	N_D; ASTM D542
Haze	<= 2.0 % @Thickness 3.17 mm	ASTM D1003
Transmission, Visible	91 % @Thickness 3.17 mm	ASTM D1003

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 go back to viewing the property data in MatWeb's normal format.

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