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This is the free Material Data Center Datasheet of PLEXIGLAS® Softlight zk6BR df23 - PMMA - Röhm GmbH

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Processing/Physical Characteristics - Mechanical properties - Thermal properties - Electrical properties - Optical properties - Other properties - Test specimen production - Diagrams
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Product Texts

Productprofil:

PLEXIGLAS® Softlight zk6BR df23, based on PLEXIGLAS® Resist zk6BR, is an impact modified molding compound characterized by diffuse scattering of light.

 

Typical properties of impact modified PLEXIGLAS® molding compound are

 

  1. high break resistance and impact strength
  2. improved resistance to stress cracking
  3. good weather resistance
  4. high surface hardness and mar resistance
  5. the pleasant feel and sound of the moldings.

 

PLEXIGLAS® Softlight zk6BR df23 is characterized by the following special properties:

 

  1. excellent lightdiffusion combined with excellent light transmission
  2. 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

Example:

applications that call for light diffusion combined with optimum transmission

Processing:

PLEXIGLAS® Softlight zk6BR df23 can be processed on extruders with 3-zone general purpose screws for engineering thermoplastics.

The matte finish of profile surfaces depends very much on machine design (calibrating unit, polishing rolls) and cooling conditions. It can be enhanced by controlled temperature reduction.

Physical Form / Packaging:

PLEXIGLAS® Softlight df molding compounds are supplied as pellets of uniform size, packaged in 25kg polyethylene bags; other packaging on request.

Processing/Physical CharacteristicsValueUnitTest Standard
ISO Data
Melt volume-flow rate, MVR 1.3 cm³/10min ISO 1133
Temperature 230 °C -
Load 3.8 kg -
Mechanical propertiesValueUnitTest Standard
ISO Data
Tensile Modulus 1900 MPa ISO 527
Yield stress 46 MPa ISO 527
Yield strain 5 % ISO 527
Nominal strain at break 36 % ISO 527
Charpy impact strength, +23°C 50 kJ/m² ISO 179/1eU
Thermal propertiesValueUnitTest Standard
ISO Data
Glass transition temperature, 10°C/min 109 °C ISO 11357-1/-2
Temp. of deflection under load, 1.80 MPa 93 °C ISO 75-1/-2
Temp. of deflection under load, 0.45 MPa 99 °C ISO 75-1/-2
Vicat softening temperature, B 99 °C ISO 306
Coeff. of linear therm. expansion, parallel 90 E-6/K ISO 11359-1/-2
Electrical propertiesValueUnitTest Standard
ISO Data
Volume resistivity >1E13 Ohm*m IEC 62631-3-1
Surface resistivity 1E13 Ohm IEC 62631-3-2
Optical propertiesValueUnitTest Standard
ISO Data
Luminous transmittance 81 % ISO 13468-1, -2
Other propertiesValueUnitTest Standard
Density 1150 kg/m³ ISO 1183
Test specimen productionValueUnitTest Standard
ISO Data
Injection Molding, melt temperature 255 °C ISO 294
Injection Molding, mold temperature 51 °C ISO 294
Injection Molding, injection velocity 195 mm/s ISO 294
Diagrams
Viscosity-shear rate , PLEXIGLAS® Softlight zk6BR df23, PMMA, Röhm
Shearstress-shear rate , PLEXIGLAS® Softlight zk6BR df23, PMMA, Röhm
Dynamic Shear modulus-temperature , PLEXIGLAS® Softlight zk6BR df23, PMMA, Röhm
Stress-strain , PLEXIGLAS® Softlight zk6BR df23, PMMA, Röhm
Secant modulus-strain , PLEXIGLAS® Softlight zk6BR df23, PMMA, Röhm
Tensile modulus-temperature , PLEXIGLAS® Softlight zk6BR df23, PMMA, Röhm
Characteristics
Processing
Injection Molding, Profile Extrusion, Sheet Extrusion, Other Extrusion
Delivery form
Pellets
Additives
Release agent
Special Characteristics
High impact or impact modified, Light stabilized or stable to light, U.V. stabilized or stable to weather
Features
Light Diffusing
Chemical Resistance
Environmental Stress Crack Resistance
Regional Availability
North America, Europe, Asia Pacific, South and Central America, Near East/Africa
Other text information
Injection molding
PREPROCESSING
Predrying temperature: max. 85 °C
Predrying time in a desiccant-type drier: 2 - 3 h
PROCESSING
Melt temperature: 220 - 260°C
Mold temperature:60 - 90°C
Profile extrusion
PREPROCESSING
Predrying temperature: max. 85 °C
Predrying time in a desiccant-type drier: 2 - 3 h
PROCESSING
Melt temperature: 230 - 260 °C
Die temperature: 230 - 260 °C
Sheet extrusion
PREPROCESSING
Predrying temperature: max. 85 °C
Predrying time in a desiccant-type drier: 2 - 3 h
PROCESSING
Melt temperature: 230 - 260 °C
Die temperature: 230 - 260 °C
Disclaimer
Copyright Altair Engineering GmbH. Altair Engineering GmbH assumes no liability for the system to be free of errors. The user takes sole responsibility for the use of this data under the exclusion of every liability from Altair Engineering GmbH; this is especially valid for claims of compensation resulting from consequential damages. Altair explicitly points out that any decision about the application of materials must be double checked with the producer of this material. This includes all contents of this system. Copyright laws are applicable for the content of this system.
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