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This is the free Material Data Center Datasheet of PLEXIGLAS® Resist zk6HF - PMMA-I - 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® Resist zk6HF is an amorphous, impact-modified thermoplastic molding compound (PMMA-I).

 

Typical properties of impact-modified PLEXIGLAS® molding compounds are

 

  • high weather resistance
  • excellent transmission and clarity
  • brilliant appearance
  • the pleasant feel and sound of the moldings.

 

PLEXIGLAS® Resist zk6HF is characterized by the following special properties:

 

  • excellent break resistance and impact strength
  • improved resistance to stress cracking
  • very good flow.

Application:

Used for injection molding as well as for extruding sheets and profiles.

Example:

applications involving thin walls and long flow paths, thin-walled components; items requiring accurate mold surface reproduction, such as very finely textured luminaire covers.

Processing:

PLEXIGLAS® Resist zk6HF can be processed on machines with 3-zone general purpose screws for engineering thermoplastics.

Physical Form / Packaging:

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

Processing/Physical CharacteristicsValueUnitTest Standard
ISO Data
Melt volume-flow rate, MVR 4.2 cm³/10min ISO 1133
Temperature 230 °C -
Load 3.8 kg -
Density of melt 1040 kg/m³ -
Thermal conductivity of melt 0.19 W/(m K) -
Spec. heat capacity of melt 2440 J/(kg K) -
Eff. thermal diffusivity 7.49E-8 m²/s -
Ejection temperature 75 °C -
Mechanical propertiesValueUnitTest Standard
ISO Data
Tensile Modulus 1900 MPa ISO 527
Yield stress 45 MPa ISO 527
Yield strain 5 % ISO 527
Nominal strain at break 50 % ISO 527
Charpy impact strength, +23°C 75 kJ/m² ISO 179/1eU
Thermal propertiesValueUnitTest Standard
ISO Data
Glass transition temperature, 10°C/min 92 °C ISO 11357-1/-2
Temp. of deflection under load, 1.80 MPa 91 °C ISO 75-1/-2
Temp. of deflection under load, 0.45 MPa 96 °C ISO 75-1/-2
Vicat softening temperature, B 94 °C ISO 306
Coeff. of linear therm. expansion, parallel 110 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 17.5 % 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 300 E-4 IEC 62631-2-1
Volume resistivity >1E13 Ohm*m IEC 62631-3-1
Surface resistivity 1E13 Ohm IEC 62631-3-2
Optical propertiesValueUnitTest Standard
ISO Data
Luminous transmittance 91 % ISO 13468-1, -2
Other propertiesValueUnitTest Standard
Water absorption 1.8 % Sim. to ISO 62
Humidity absorption 0.5 % Sim. to ISO 62
Density 1160 kg/m³ ISO 1183
Test specimen productionValueUnitTest Standard
ISO Data
Injection Molding, melt temperature 230 °C ISO 294
Injection Molding, mold temperature 54 °C ISO 294
Injection Molding, injection velocity 195 mm/s ISO 294
Diagrams
Viscosity-shear rate , PLEXIGLAS® Resist zk6HF, PMMA-I, Röhm
Shearstress-shear rate , PLEXIGLAS® Resist zk6HF, PMMA-I, Röhm
Dynamic Shear modulus-temperature , PLEXIGLAS® Resist zk6HF, PMMA-I, Röhm
Stress-strain , PLEXIGLAS® Resist zk6HF, PMMA-I, Röhm
Secant modulus-strain , PLEXIGLAS® Resist zk6HF, PMMA-I, Röhm
Tensile modulus-temperature , PLEXIGLAS® Resist zk6HF, PMMA-I, Röhm
Characteristics
Processing
Injection Molding, Profile Extrusion, Sheet 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, Transparent
Features
Amorphous
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:50 - 70°C
Chemical Media Resistance
Acids
Citric Acid solution (10% by mass) (23°C)
Lactic Acid (10% 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)
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)
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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