Röhm ACRYLITE® Edgelight 8N LD12 Acrylic polymer

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Röhm ACRYLITE® Edgelight 8N LD12 Acrylic polymer
Categories:	Polymer; Thermoplastic; Acrylic (PMMA); Acrylic, Extruded
Material Notes:	ACRYLITE® Edgelight 8N LD12 Acrylic Molding Compound is a highly transparent light guide material based on ACRYLITE® 8N. In addition to the typical properties of ACRYLITE®, such as Excellent weather resistance UV-stability Good flow, high mechanical strength ACRYLITE® Edgelight 8N LD12 is developed for edge lit LED applications. The light scattering properties convert the light guide to a full illuminated panel. Furthermore, the material allows for a completely transparent view through the light guide when it is not illuminated. This opens a new degree of freedom for designers. ACRYLITE® Edgelight 8N LD12 is recommended for panels with a distance of up to 12 cm (4.72 in) between two light injecting LED strips. Application: Injection molding or extrusion. Information provided by Roehm America LLC
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Physical Properties	Original Value	Comments

Specific Gravity	1.19 g/cc	ISO 1183
Bulk Density	0.660 g/cc	ASTM D1895
Water Absorption	<= 0.30 %	ASTM D570
Linear Mold Shrinkage	0.0040 - 0.0070 cm/cm	ASTM D955
Melt Flow	3.3 g/10 min @Load 3.80 kg, Temperature 230 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Tensile Strength	80.0 MPa	ASTM D638
Elongation at Break	4.0 - 6.0 %	ASTM D638
Elongation at Yield	4.0 - 6.0 %	ASTM D638
Tensile Modulus	3.20 GPa	ASTM D638
Flexural Strength	128.9 MPa	ASTM D790
Flexural Modulus	2.90 GPa	ASTM D790
Izod Impact, Notched	19.0 J/m @Thickness 6.35 mm	ASTM D256

Thermal Properties	Original Value	Comments
CTE, linear	72.0 µm/m-°C @Temperature 0.000 - 100 °C	ASTM D696
Deflection Temperature at 1.8 MPa (264 psi)	100 °C @Thickness 6.35 mm	Annealed; ASTM D648
Vicat Softening Point	108 °C @Load 5.10 kg	50°C/h; ASTM D1525

Optical Properties	Original Value	Comments
Haze	5.0 %	ASTM D1003
Yellow Index	<= 1.0 %	ASTM E313
Transmission, Visible	>= 90 %	ASTM D1003

Processing Properties	Original Value	Comments
Die Temperature	240 - 252 °C	Extrusion
Melt Temperature	240 - 252 °C
Mold Temperature	38.0 - 80.0 °C	Injection Molding
Drying Temperature	80.0 °C	Predrying
Dry Time	3.00 - 4.00 hour	Predrying, Desiccant-Type Drier

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PROHM9338 / 319955

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