Röhm ACRYLITE® Softlight zk6BR df23 Acrylic polymer

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Röhm ACRYLITE® Softlight zk6BR df23 Acrylic polymer
Categories:	Polymer; Thermoplastic; Acrylic (PMMA); Acrylic, Extruded
Material Notes:	ACRYLITE® Softlight zk6BR df23, based on ACRYLITE® Resist zk6BR, is an impact modified molding compound characterized by diffuse scattering of light. Typical properties of impact modified ACRYLITE® molding compound are high break resistance and impact strength improved resistance to stress cracking good weather resistance high surface hardness and mar resistance the pleasant feel and sound of the moldings. ACRYLITE® Softlight zk6BR df23 is characterized by the following special properties: excellent light diffusion combined with excellent light transmittance matte surfaces can be obtained by varying the extrusion parameters. Application: Used for extruding profiles and sheets, but also 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	1.15 g/cc	1.15 g/cc	ISO 1183
Melt Flow	1.3 g/10 min @Load 3.80 kg, Temperature 230 °C	1.3 g/10 min @Load 8.38 lb, Temperature 446 °F	ISO 1133

Mechanical Properties	Metric	English	Comments
Tensile Strength, Yield	46.0 MPa	6670 psi	50 mm/min; ISO 527
Elongation at Break	36 %	36 %	Nominal; ISO 527
Elongation at Yield	5.0 %	5.0 %	50 mm/min; ISO 527
Tensile Modulus	1.90 GPa	276 ksi	1 mm/min; ISO 527
Charpy Impact Unnotched	5.00 J/cm²	23.8 ft-lb/in²	ISO 179/1eU
Charpy Impact, Notched	0.600 J/cm²	2.86 ft-lb/in²	ISO 179/1

Thermal Properties	Metric	English	Comments
CTE, linear	90.0 µm/m-°C	50.0 µin/in-°F	ISO 11359
Deflection Temperature at 0.46 MPa (66 psi)	99.0 °C	210 °F	ISO 75
Deflection Temperature at 1.8 MPa (264 psi)	93.0 °C	199 °F	ISO 75
Vicat Softening Point	99.0 °C	210 °F	B / 50; ISO 306
Glass Transition Temp, Tg	109 °C	228 °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
Melt Temperature	230 - 260 °C	446 - 500 °F
Mold Temperature	60.0 °C	140 °F	Extrusion
Drying Temperature	<= 85.0 °C	<= 185 °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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PROHM9337 / 319954

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