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This is the free Material Data Center Datasheet of PLEXIGLAS® Softlight 7H df23 - PMMA - Röhm GmbH

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Texto del producto

Productprofil:

PLEXIGLAS® Softlight 7H df23, based on PLEXIGLAS® 7H, is characterized by diffuse scattering of light.

 

Typical properties of PLEXIGLAS® molding compound are

 

  1. good flow
  2. high mechanical strength, surface hardness and mar resistance
  3. very good weather resistance.

 

Special properties of PLEXIGLAS® Softlight 7H df23 are

 

  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 for lighting engineering applications

Example:

luminaire covers, displays, projection screens and similar applications

Processing:

PLEXIGLAS® Softlight 7H 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.

Caracteristicas de procesamiento y fisicasValorUnidadesMétodo de ensayo
ISO Data
Indice de fluidez volumétrico, MVR 0.95 cm³/10min ISO 1133
Temperatura 230 °C -
Carga 3.8 kg -
Propiedades mecánicasValorUnidadesMétodo de ensayo
ISO Data
Módulo de tracción 3400 MPa ISO 527
Resistencia a la tracción 70 MPa ISO 527
Alargamiento a rotura 6 % ISO 527
Resistencia al impacto Charpy, +23°C 20 kJ/m² ISO 179/1eU
Propiedades térmicasValorUnidadesMétodo de ensayo
ISO Data
Temp. de transición vítrea, 10°C/min 106 °C ISO 11357-1/-2
Estabilidad al calor, 1.80 MPa 97 °C ISO 75-1/-2
Estabilidad al calor, 0.45 MPa 101 °C ISO 75-1/-2
Temp. reblandecimiento Vicat, B 105 °C ISO 306
Coef.de expansión térmica lineal, paralelo 63 E-6/K ISO 11359-1/-2
Propiedades eléctricasValorUnidadesMétodo de ensayo
ISO Data
Resistividad volumétrica específica >1E13 Ohm*m IEC 62631-3-1
Resistividad superficial específica 1E13 Ohm IEC 62631-3-2
Propiedades opticasValorUnidadesMétodo de ensayo
ISO Data
Transmitancia luminosa 81 % ISO 13468-1, -2
Otras propiedadesValorUnidadesMétodo de ensayo
Densidad 1190 kg/m³ ISO 1183
Condiciones de transformaciónValorUnidadesMétodo de ensayo
ISO Data
Moldeo por inyección, temperatura de la masa 252 °C ISO 294
Moldeo por inyección, temperatura del molde 65 °C ISO 294
Moldeo por inyección, velocidad de inyección 195 mm/s ISO 294
Funciones
Viscosidad-velocidad de cizallamiento , PLEXIGLAS® Softlight 7H df23, PMMA, Röhm
Tensión de cizalla-velocidad de cizalla , PLEXIGLAS® Softlight 7H df23, PMMA, Röhm
Módulo de cizallamiento dinámico-temperatura , PLEXIGLAS® Softlight 7H df23, PMMA, Röhm
Esfuerzo-alargamiento , PLEXIGLAS® Softlight 7H df23, PMMA, Röhm
Módulo secante-alargamiento , PLEXIGLAS® Softlight 7H df23, PMMA, Röhm
Módulo a tensión-temperatura , PLEXIGLAS® Softlight 7H df23, PMMA, Röhm
Características
Procesamiento y forma de entrega
Extrusión de perfiles, Extrusión de láminas, Otros tipos de extrusión
Forma de suministro
Sémola
Aditivos
Desmoldeante
Características especiales
Estable a la luz, Estable contra rayos U.V./interperie
Características
Light Diffusing
Disponibilidad regional
Norteamérica, Europa, Asia Pacifico, América del Sur y Centroaméric, Próximo Oriente/Africa
Demás información
Extrusión de perfiles
PREPROCESSING
Predrying temperature: max. 95 °C
Predrying time in a desiccant-type drier: 2 - 3 h
PROCESSING
Melt temperature: 220 - 260 °C
Die temperature: 220 - 260 °C
Extrusión de placas
PREPROCESSING
Predrying temperature: max. 95 °C
Predrying time in a desiccant-type drier: 2 - 3 h
PROCESSING
Melt temperature: 220 - 260 °C
Die temperature: 220 - 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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