Arkema Oroglas® HFI-7 Acrylic

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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.
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Physical Properties	Metric	English	Comments

Density	1.17 g/cc	0.0423 lb/in³
Water Absorption	2.0 %	2.0 %
Moisture Absorption at Equilibrium	0.33 %	0.33 %	Humidity Absorption
Melt Flow	10.3 g/10 min @Load 3.80 kg, Temperature 230 °C	10.3 g/10 min @Load 8.38 lb, Temperature 446 °F

Mechanical Properties	Metric	English	Comments
Tensile Strength, Yield	65.0 MPa	9430 psi	50 mm/min
Elongation at Break	25 %	25 %	Nominal Strain; 50 mm/min
Elongation at Yield	4.5 %	4.5 %	50 mm/min
Tensile Modulus	2.30 GPa	334 ksi	1 mm/min
Charpy Impact Unnotched	4.50 J/cm²	21.4 ft-lb/in²
Charpy Impact, Notched	0.400 J/cm²	1.90 ft-lb/in²
Tensile Creep Modulus, 1 hour	1800 MPa	261000 psi
Tensile Creep Modulus, 1000 hours	1300 MPa	189000 psi

Electrical Properties	Metric	English	Comments
Electrical Resistivity	1.00e+15 ohm-cm	1.00e+15 ohm-cm
Surface Resistance	1.00e+14 ohm	1.00e+14 ohm
Dielectric Constant	3.2 @Frequency 1e+6 Hz	3.2 @Frequency 1e+6 Hz
	3.8 @Frequency 100 Hz	3.8 @Frequency 100 Hz
Dielectric Strength	17.7 kV/mm	450 kV/in
Dissipation Factor	0.040 @Frequency 1e+6 Hz	0.040 @Frequency 1e+6 Hz
	0.050 @Frequency 100 Hz	0.050 @Frequency 100 Hz
Comparative Tracking Index	600 V	600 V

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	80.0 µm/m-°C @Temperature 20.0 °C	44.4 µin/in-°F @Temperature 68.0 °F
Deflection Temperature at 0.46 MPa (66 psi)	88.0 °C	190 °F
Deflection Temperature at 1.8 MPa (264 psi)	83.0 °C	181 °F
Vicat Softening Point	87.0 °C	189 °F	50°C/hr; 50N
Flammability, UL94	HB @Thickness 1.60 mm	HB @Thickness 0.0630 in

Optical Properties	Metric	English	Comments
Transmission, Visible	80 %	80 %	Mfr. reports 'Transparent' but doesn't quantify.

**
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PZARKG489 / 25747

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