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This is the free Material Data Center Datasheet of PLEXIGLAS® 6N - PMMA - Röhm GmbH

Material Data Center offers the following functions for PLEXIGLAS® 6N:
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Processing/Physical Characteristics - Mechanical properties - Thermal properties - Electrical properties - Optical properties - Other properties - Material specific properties - Test specimen production - Processing Recommendation Injection Molding - Diagrams
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Product Texts

Productprofil:

PLEXIGLAS® 6N is an amorphous thermoplastic molding compound (PMMA).

 

Typical properties of PLEXIGLAS® molding compounds are:

 

  • good flow
  • high mechanical strength, surface hardness and mar resistance
  • high light transmission
  • excellent weather resistance
  • free colorability due to crystal clarity.

 

The special properties of PLEXIGLAS® 6N are:

 

  • very good mechanical properties
  • high heat deflection temperature
  • excellent flow / melt viscosity

Application:

Particularly suitable for injection molding optical and technical items.

Example:

optical waveguides, luminaire covers, automotive lighting, instrument cluster covers, optical lenses, displays, cuvettes, medical applications etc.

Processing:

PLEXIGLAS® 6N can be processed on injection molding machines with 3-zone general purpose screws for engineering thermoplastics.

Physical Form / Packaging:

PLEXIGLAS® molding compounds are supplied as pellets of uniform size, packaged in 25kg polyethylene bags or in 500kg boxes with PE lining; other packaging on request.

Processing/Physical CharacteristicsValueUnitTest Standard
ISO Data
Melt volume-flow rate, MVR 12 cm³/10min ISO 1133
Temperature 230 °C -
Load 3.8 kg -
Density of melt 1060 kg/m³ -
Thermal conductivity of melt 0.181 W/(m K) -
Spec. heat capacity of melt 2440 J/(kg K) -
Eff. thermal diffusivity 6.99E-8 m²/s -
Ejection temperature 75 °C -
Mechanical propertiesValueUnitTest Standard
ISO Data
Tensile Modulus 3200 MPa ISO 527
Stress at break 67 MPa ISO 527
Strain at break 3 % ISO 527
Tensile creep modulus, 1h 2600 MPa ISO 899-1
Tensile creep modulus, 1000h 2200 MPa ISO 899-1
Charpy impact strength, +23°C 20 kJ/m² ISO 179/1eU
Thermal propertiesValueUnitTest Standard
ISO Data
Glass transition temperature, 10°C/min 99 °C ISO 11357-1/-2
Temp. of deflection under load, 1.80 MPa 90 °C ISO 75-1/-2
Temp. of deflection under load, 0.45 MPa 95 °C ISO 75-1/-2
Vicat softening temperature, B 96 °C ISO 306
Coeff. of linear therm. expansion, parallel 80 E-6/K ISO 11359-1/-2
Burning Behav. at 1.5 mm nom. thickn. HB class IEC 60695-11-10
Thickness tested 1.6 mm -
Yellow Card available yes - -
Oxygen index 17.2 % ISO 4589-1/-2
Electrical propertiesValueUnitTest Standard
ISO Data
Relative permittivity, 100Hz 3.7 - IEC 62631-2-1
Relative permittivity, 1MHz 2.9 - IEC 62631-2-1
Dissipation factor, 100Hz 500 E-4 IEC 62631-2-1
Dissipation factor, 1MHz 200 E-4 IEC 62631-2-1
Volume resistivity >1E13 Ohm*m IEC 62631-3-1
Surface resistivity 1E13 Ohm IEC 62631-3-2
Comparative tracking index 600 - IEC 60112
Optical propertiesValueUnitTest Standard
ISO Data
Luminous transmittance 92 % ISO 13468-1, -2
Other propertiesValueUnitTest Standard
Water absorption 1.8 % Sim. to ISO 62
Humidity absorption 0.6 % Sim. to ISO 62
Density 1190 kg/m³ ISO 1183
Material specific propertiesValueUnitTest Standard
ISO Data
Viscosity number 53 cm³/g ISO 307, 1157, 1628
Test specimen productionValueUnitTest Standard
ISO Data
Processing conditions acc. ISO 8257 - ISO ....-2
Injection Molding, melt temperature 236 °C ISO 294
Injection Molding, mold temperature 56 °C ISO 294
Injection Molding, injection velocity 195 mm/s ISO 294
Processing Recommendation Injection MoldingValueUnitTest Standard
Pre-drying - Temperature 85 °C -
Pre-drying - Time 2 - 3 h -
Melt temperature 220 - 260 °C -
Mold temperature 60 - 90 °C -
Diagrams
Viscosity-shear rate , PLEXIGLAS® 6N, PMMA, Röhm
Shearstress-shear rate , PLEXIGLAS® 6N, PMMA, Röhm
Dynamic Shear modulus-temperature , PLEXIGLAS® 6N, PMMA, Röhm
Stress-strain , PLEXIGLAS® 6N, PMMA, Röhm
Secant modulus-strain , PLEXIGLAS® 6N, PMMA, Röhm
Stress-strain (isochronous) 23°C, PLEXIGLAS® 6N, PMMA, Röhm
Creep modulus-time 23°C, PLEXIGLAS® 6N, PMMA, Röhm
Creep curve 23°C, PLEXIGLAS® 6N, PMMA, Röhm
Tensile modulus-temperature , PLEXIGLAS® 6N, PMMA, Röhm
Characteristics
Processing
Injection Molding
Delivery form
Pellets
Additives
Release agent
Special Characteristics
Light stabilized or stable to light, U.V. stabilized or stable to weather, Transparent
Features
Amorphous
Applications
Automotive, Medical
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
Chemical Media Resistance
Acids
Citric Acid solution (10% by mass) (23°C)
Lactic Acid (10% by mass) (23°C)
Nitric Acid (40% by mass) (23°C)
Sulfuric Acid (38% by mass) (23°C)
Sulfuric Acid (5% by mass) (23°C)
Bases
Sodium Hydroxide solution (35% by mass) (23°C)
Sodium Hydroxide solution (1% by mass) (23°C)
Ammonium Hydroxide solution (10% by mass) (23°C)
Hydrocarbons
n-Hexane (23°C)
iso-Octane (23°C)
Standard Fuels
Standard fuel without alcohol (pref. ISO 1817 Liquid C) (23°C)
Standard fuel with alcohol (pref. ISO 1817 Liquid 4) (23°C)
Diesel fuel (pref. ISO 1817 Liquid F) (23°C)
Salt solutions
Sodium Carbonate solution (20% by mass) (23°C)
Sodium Carbonate solution (2% by mass) (23°C)
Other
50% Oleic acid + 50% Olive Oil (23°C)
Water (23°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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