Röhm PLEXIGLAS® GS Clear 2458 SC 3 mm UV transmitting PMMA

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Röhm PLEXIGLAS® GS Clear 2458 SC 3 mm UV transmitting PMMA (discontinued **)
Categories:	Polymer; Thermoplastic; Acrylic (PMMA)
Material Notes:	The Product and its Benefits: UV transmitting PLEXIGLAS GS is a kind of cast acrylic (= polymethyl methacrylate, PMMA) specially developed for tanning beds, with high UV (ultraviolet) transmission and UV resistance. UV transmitting PLEXIGLAS® GS has a perfectly coherent surface, whether in its smooth or satin-finished version. It always feels pleasantly warm to the skin and is hygienic. It is therefore ideally suited for use in both cosmetic and therapeutic UV appliances. The material is particularly resistant to extremes of climate, i. e. also ideal for applications exposed to heat and humidity in addition to UV radiation. UV transmitting PLEXIGLAS® GS exhibits high mechanical strength at low weight. Users can derive benefits from solid sheets made from three grades of UV transmitting PLEXIGLAS® GS: Clear 2458 with two smooth, transparent surfaces, Clear 2458 SC with one satin-finished surface and a translucent appearance, Clear 2890 with specially adjusted UV transmission for special applications. The former Evonik Methacrylates business has been sold to Röhm GmbH (Roehm).
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Physical Properties	Metric	English	Comments

Density	1.19 g/cc	0.0430 lb/in³	ISO 1183

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	>= 60.0 MPa	>= 8700 psi	ISO 527
Elongation at Break	>= 5.0 %	>= 5.0 %	ISO 527
Modulus of Elasticity	2.50 GPa	363 ksi	ISO 527
Flexural Strength	90.0 MPa	13100 psi	ISO 178

Thermal Properties	Metric	English	Comments
CTE, linear	126 µm/m-°C @Temperature 0.000 - 50.0 °C	70.0 µin/in-°F @Temperature 32.0 - 122 °F	DIN 53752-A
Thermal Conductivity	0.190 W/m-K	1.32 BTU-in/hr-ft²-°F	DIN 52612
Vicat Softening Point	100 °C	212 °F	B50; ISO 306
Flammability, UL94	HB	HB

Optical Properties	Metric	English	Comments
Transmission, Visible	>= 90 % @Wavelength 380 - 780 nm	>= 90 % @Wavelength 380 - 780 nm	DIN 5036, Part 3
UV Transmittance	70 %	70 %	8; DIN 5036, Part 3
	80 %	80 %	3; DIN 5036, Part 3

**
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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PEVONIL017 / 196223

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