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Rulon Bearings

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Röhm ACRYLITE® SurPure Acrylic Compound  (discontinued **)
Categories: Polymer; Thermoplastic; Acrylic (PMMA)

Material Notes: ACRYLITE® Optical POQ66 and ACRYLITE® Optical SuPure® acrylic compounds achieve the maximum purity in acrylic polymers. Both ACRYLITE® Optical grades use proprietary purification processes that ensures the polymers are free of any visible dust, fines and contaminates. These specialty compounds provide the high optical purity needed for applications that require high transmission efficiency in long light paths. The low absorption coefficient characteristics provide the best possible outcome for sophisticated light pipes, and interior lighting lenses. ACRYLITE® Optical POQ66 has formulation refinements that further ensure its high optical pureness. Millions of pounds of ACRYLITE® Optical POQ66 have been sold into the manufacture of optical light guides for backlight units in TFT-LCE displays. Specially designed packaging options ensure that purity is maintained during delivery. ACRYLITE® Optical POQ66 is excellent for long path light guide applications, but it should not be used for outdoor applications and should only be used with LED lighting sources.

Information Provided by Evonik CYRO. The former Evonik Methacrylates business has been sold to Röhm (Roehm) GmbH.

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Physical PropertiesOriginal ValueComments
Density 1.19 g/ccISO 1183
Water Absorption at Saturation >= 3.0 %ISO 62
Melt Flow 3.0 g/10 min
@Load 3.80 kg,
Temperature 230 °C
ISO 1133
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength at Break 77.0 MPa5 mm/min; ISO 527
Elongation at Break 5.5 %5 mm/min; ISO 527
Tensile Modulus 3300 MPa1 mm/min; ISO 527
Charpy Impact Unnotched 20.0 kJ/m²ISO 179/1eU
 
Thermal PropertiesOriginal ValueComments
CTE, linear 80.0 µin/in-°F
@Temperature 0.000 - 50.0 °C
ISO 11359
Deflection Temperature at 0.46 MPa (66 psi) 103 °CISO 75
Deflection Temperature at 1.8 MPa (264 psi) 98.0 °CISO 75
Vicat Softening Point 108 °CB/50°C; ISO 306
Glass Transition Temp, Tg 117 °CIEC 10006
Flammability, UL94 HB
@Thickness 1.60 mm
IEC 707
 
Optical PropertiesOriginal ValueComments
Refractive Index 1.49ISO 489
Transmission, Visible 92 %ISO 13458-2

**
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