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Elmet Technologies

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Arkema Oroglas® HFI-7 Acrylic  (discontinued **)
Categories: Polymer; Thermoplastic; Acrylic (PMMA); Acrylic, General Purpose, Molded
Material Notes: OROGLAS HFI-7 is a medium impact grade that in addition to the improvement in impact resistance provides superior flow which contribute to reduce the cycle time and improve demolding.

Key features :

  • impact resistance: up to 7 times more impact-resistant than standard acrylic
  • easy processing: flow significantly improved which contribute to reduce cycle time by 20 %

( MFI, 230°c/3.8 kg ) = 11 gr / 10 min ( MVI, 230°c/3.8 kg ) = 10.3 ml / 10 min

  • clarity, brilliance and excellent optical properties
  • UV stability

Typical applications :
OROGLAS HFI-7 is the material of choice when toughness and increased flow are required. OROGLAS HFI-7 can be injection molded or extruded to produce parts for the following fields: building, lighting, appliances, information technology and business machines.

ISO data provided by the manufacturer, Arkema.
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesOriginal ValueComments
Density 1.17 g/cc
Water Absorption 2.0 %
Moisture Absorption at Equilibrium 0.33 %Humidity Absorption
Melt Flow 10.3 g/10 min
@Load 3.80 kg,
Temperature 230 °C
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength, Yield 65.0 MPa50 mm/min
Elongation at Break 25 %Nominal Strain; 50 mm/min
Elongation at Yield 4.5 %50 mm/min
Tensile Modulus 2.30 GPa1 mm/min
Charpy Impact Unnotched 4.50 J/cm²
Charpy Impact, Notched 0.400 J/cm²
Tensile Creep Modulus, 1 hour 1800 MPa
Tensile Creep Modulus, 1000 hours 1300 MPa
 
Electrical PropertiesOriginal ValueComments
Electrical Resistivity 1.00e+15 ohm-cm
Surface Resistance 1.00e+14 ohm
Dielectric Constant 3.2
@Frequency 1e+6 Hz
 3.8
@Frequency 100 Hz
Dielectric Strength 17.7 kV/mm
Dissipation Factor 0.040
@Frequency 1e+6 Hz
 0.050
@Frequency 100 Hz
Comparative Tracking Index 600 V
 
Thermal PropertiesOriginal ValueComments
CTE, linear, Parallel to Flow 80.0 µm/m-°C
@Temperature 20.0 °C
Deflection Temperature at 0.46 MPa (66 psi) 88.0 °C
Deflection Temperature at 1.8 MPa (264 psi) 83.0 °C
Vicat Softening Point 87.0 °C50°C/hr; 50N
Flammability, UL94 HB
@Thickness 1.60 mm
 
Optical PropertiesOriginal ValueComments
Transmission, Visible 80 %Mfr. reports 'Transparent' but doesn't quantify.

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

Users of our Advanced Search (registration required) may exclude discontinued materials from search results.

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