Röhm PLEXIGLAS® Softlight 7N df23 PMMA

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Röhm PLEXIGLAS® Softlight 7N df23 PMMA
Categories:	Polymer; Thermoplastic; Acrylic (PMMA)
Material Notes:	PLEXIGLAS® Softlight 7N df23, based on PLEXIGLAS® 7N, is characterized by diffuse scattering of light. Typical properties of PLEXIGLAS® molding compound are good flow high mechanical strength, surface hardness and mar resistance very good weather resistance Special properties of PLEXIGLAS® Softlight 7N df23 injection molding items for lighting engineering applications excellent light diffusion combined with excellent light transmittance. Application: Used for injection molding items for lighting engineering applications Information provided by Roehm America LLC
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Physical Properties	Metric	English	Comments

Specific Gravity	1.19 g/cc	1.19 g/cc	ISO 1183
Melt Flow	4.1 g/10 min @Load 3.80 kg, Temperature 230 °C	4.1 g/10 min @Load 8.38 lb, Temperature 446 °F	ISO 1133

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	65.0 MPa	9430 psi	5 mm/min; ISO 527
Elongation at Break	2.5 %	2.5 %	5 mm/min; ISO 527
Tensile Modulus	3.40 GPa	493 ksi	1 mm/min; ISO 527
Charpy Impact Unnotched	1.70 J/cm²	8.09 ft-lb/in²	ISO 179/1eU
Charpy Impact, Notched	0.180 J/cm²	0.857 ft-lb/in²	ISO 179/1

Thermal Properties	Metric	English	Comments
CTE, linear	6.30 µm/m-°C @Temperature 0.000 - 50.0 °C	3.50 µin/in-°F @Temperature 32.0 - 122 °F	ISO 11359
Deflection Temperature at 0.46 MPa (66 psi)	101 °C	214 °F	ISO 75
Deflection Temperature at 1.8 MPa (264 psi)	97.0 °C	207 °F	ISO 75
Vicat Softening Point	105 °C	221 °F	B / 50; ISO 306
Glass Transition Temp, Tg	108 °C	226 °F	ISO 11357
Glow Wire Ignition Temperature	700 °C	1290 °F	IEC 60695-2

Optical Properties	Metric	English	Comments
Transmission, Visible	81 %	81 %	ISO 13468-2

Processing Properties	Metric	English	Comments
Die Temperature	220 - 260 °C	428 - 500 °F	Extrusion
Melt Temperature	220 - 260 °C	428 - 500 °F
Drying Temperature	<= 95.0 °C	<= 203 °F	Predrying
Dry Time	2.00 - 3.00 hour	2.00 - 3.00 hour	Predrying, Desiccant-Type Drier

Descriptive Properties
Half-Value Angle	21°		DIN 5036

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PROHM9364 / 319981

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