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Plexiglas® zk4HC

Polymethyl Methacrylate Acrylic

Supplied by Evonik Röhm GmbH

The technical datasheet with complete property values for Plexiglas® zk4HC is available to members of the Prospector Plastics Database.
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Product Description
Product Profile:
PLEXIGLAS® Resist zk4HC 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 zk4HC is characterized by the
following special properties:
  • improved break resistance and impact strength
  • best resistance to stress cracking of all impact-modified PLEXIGLAS molding compounds
  • AMECA listing.

Application:
Used for extruding and coextruding sheets and profiles.

Examples:
extruded/coextruded sheets and profiles for automotive bodies and the sanitaryware sector (bathtubs and shower trays) or crystal-clear luminare covers for industrial plants that come into contact with aggressive media.

Processing:
PLEXIGLAS® Resist zk4HC can be processed on machines with 3-zone general purpose screws for engineering thermoplastics.

Physical Form / Packaging:
PLEXIGLAS® Resist zk molding compounds are supplied as pellets of uniform size in 25kg polyethylene bags or in 500kg boxes with PE lining; other packaging on request.
General  
Material Status 
  • Commercial: Active
Availability 
  • Europe
Additive 
  • Impact Modifier
Features 
  • Good Weather Resistance
  • High Clarity
  • High ESCR (Stress Crack Resist.)
  • High Impact Resistance
  • Pleasing Surface Appearance
Uses 
  • Automotive Applications
  • Automotive Bumper
  • Automotive Exterior Parts
  • Automotive Exterior Trim
  • Profiles
  • Protective Coverings
  • Sanitary Products
  • Sheet
Forms 
  • Pellets
Processing Method 
  • Coextrusion
  • Extrusion
  
Multi-Point Data 
  • Isothermal Stress vs. Strain (ISO 11403-1)
  • Secant Modulus vs. Strain (ISO 11403-1)
  • Shear Modulus vs. Temperature (ISO 11403-1)
  • Viscosity vs. Shear Rate (ISO 11403-2)
  
Physical
Nominal Value
Unit
Test Method
Density
g/cm³
 ISO 1183
Melt Volume-Flow Rate (MVR) (230°C/3.8 kg)
in³/10min
 ISO 1133
Water Absorption
     ISO 62
73°F, 24 hr
%
  
Equilibrium, 73°F, 50% RH
%
  
Mechanical
Nominal Value
Unit
Test Method
Tensile Modulus
psi
 ISO 527-2/1
Tensile Stress (Yield)
psi
 ISO 527-2/50
Tensile Strain (Yield)
%
 ISO 527-2/50
Nominal Tensile Strain at Break
%
 ISO 527-2
Impact
Nominal Value
Unit
Test Method
Charpy Unnotched Impact Strength (73°F)
ft·lb/in²
 ISO 179/1eU
Thermal
Nominal Value
Unit
Test Method
Glass Transition Temperature
°F
 IEC 1006
Vicat Softening Temperature
°F
 ISO 306/B50
CLTE - Flow (32 to 122°F)
in/in/°F
 ISO 11359-2
Flammability
Nominal Value
Unit
Test Method
Flame Rating - UL (0.0630 in)
 
 UL 94
Optical
Nominal Value
Unit
Test Method
Refractive Index
 
 ISO 489
Transmittance 2
%
 ISO 13468-2
Additional Information
Nominal Value
Unit
Test Method
Fire Rating
 
 DIN 4102
Related Terminology
This supplier and product may also be known by these terms: Plexiglass

Product names can be difficult to match. You may have searched any one of these terms to find this product: Plexiglas® zk4HC, Plexiglas zk4HC, Plexiglas® , Plexiglas, Plexiglaszk4HC, zk 4 HC, zk4HC, zk4, 4HC, Acrylic, Acrylic, Polymethyl Methacrylate, Acrylic Polymethyl Methacrylate, Acrylic (PMMA), Acrylic PMMA, pmma, Evonik Rohm, AcrylicPolymethylMethacrylate, AcrylicPMMA, 4zk
Features
Features may also be described by the following terms: Good Weather Resistance, Weather Resistant, High Clarity, Pleasing Surface Appearance, High Impact Resistance, High Environmental Stress Cracking Resistance, High ESCR, Stress Cracking Resistant.
Uses
Uses may also be described by the following terms: Automotive Applications, Automotive Sector, Automotive Bumper, Automotive Bumpers, Protective Coverings, Protective Covering.
Extrusion
Nominal Value
Unit
 
Drying Temperature
°F
  
Drying Time
hr
  
Melt Temperature
°F
  
Die Temperature
°F
  
Notes
1Typical properties: these are not to be construed as specifications.
2D65
 
IDES
Copyright © 2012 IDES
The information presented on this datasheet was acquired by IDES from the producer of the material. IDES makes substantial efforts to assure the accuracy of this data. However, IDES assumes no responsibility for the data values and strongly encourages that upon final material selection, data points are validated with the material supplier.