Trinseo Plexiglas® VH Acrylic

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Trinseo Plexiglas® VH Acrylic (discontinued **)
Categories:	Polymer; Thermoplastic; Acrylic (PMMA); Acrylic, High Flow, Molded
Material Notes:	Plexiglas® VH is a thermoplastic acrylic resin formulated for injection molding applications. It is characterized by its very high melt flow. Plexiglas® VH has excellent weatherability and optical properties allowing it to excel in applications requiring outdoor stability, high quality surface appearance and/or precision optics. Plexiglas® VH is easy to process due to its exceptional thermal stability, extrusion melt strength, and excellent tool surface reproduction and release properties. It has excellent resistance to many chemicals including solutions of inorganic acids, alkalis and aliphatic hydrocarbons such as VM&P naphtha and heptane. Additionally, it is virtually unaffected by a wide range of commercial products including many beverages, foodstuffs, detergent solutions and cleaners. Appearance: Clear/Transparent; Colors Available; Opaque; Translucent Characteristics: High Flow; High Clarity; High Scratch Resistance; Good Color Stability, Good Dimensional Stability; Low Shrinkage; Good Thermal Stability, Good UV Stability; Good Weather Resistance Applications: Lighting Diffusers; Optical Applications Arkema has sold the American Plexiglas® product line to Trinseo, finalized in 2021.
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Physical Properties	Original Value	Comments

Specific Gravity	1.18 g/cc	ASTM D792
Water Absorption	0.30 %	24 hr. immersion; ASTM D570
Linear Mold Shrinkage	0.0020 - 0.0060 cm/cm	ASTM D955
Melt Flow	19.5 g/10 min @Load 3.80 kg, Temperature 230 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Hardness, Rockwell M	89	ASTM D785
Tensile Strength, Ultimate	9600 psi	ASTM D638
Tensile Modulus	440000 psi	ASTM D638
Flexural Strength	<= 14000 psi	ASTM D790
Flexural Modulus	435000 psi	ASTM D790
Izod Impact, Notched	0.300 ft-lb/in	ASTM D256

Thermal Properties	Original Value	Comments
Thermal Conductivity	1.30 BTU-in/hr-ft²-°F	ASTM C177
Deflection Temperature at 0.46 MPa (66 psi)	182 °F	annealed; ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	171 °F	annealed; ASTM D648
Vicat Softening Point	180 °F	50°C/hr; 50N; ASTM D1525
	191 °F	50°C/hr; 10N; ASTM D1525

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	92 % @Thickness 3.17 mm	ASTM D1003

**
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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