Aardvark Polymers Aardalloy® 3326 POM Alloy Rotational Molding Resin

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Aardvark Polymers Aardalloy® 3326 POM Alloy Rotational Molding Resin (discontinued **)
Categories:	Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM)
Material Notes:	Aardalloy 3326 is an acetal alloy formulated for enhanced impact resistance and elongation. Aardalloy 3326 maintains the high degree of chemical resistance and low fuel permeation rates of unfilled acetals. Aardalloy 3326 is a high viscosity resin with excellent molding characteristics. Aardalloy 3326 is available in natural white and may be dry colored to suit. Aardalloy 3326 is an excellent choice for fuel tanks, hydraulic reservoirs, brake and fuel system components.
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Physical Properties	Original Value	Comments

Density	1.34 g/cc	Test 1
	1.34 g/cc	Test 2
Water Absorption	0.44 %	24 hour immersion
Moisture Absorption at Equilibrium	0.35 %	50% RH, Test 1
	0.35 %	50% RH, Test 2
Water Absorption at Saturation	0.85 %	Test 2
	0.90 %	Test 1
Linear Mold Shrinkage, Flow	0.013 cm/cm @Thickness 2.00 mm
Linear Mold Shrinkage, Transverse	0.014 cm/cm @Thickness 2.00 mm
Melt Flow	2.0 g/10 min
	2.278 g/10 min @Load 2.16 kg, Temperature 190 °C

Mechanical Properties	Original Value	Comments
Hardness, Rockwell M	58	Test 1
	58	Test 2
Hardness, Rockwell R	105	Test 1
	105	Test 2
Tensile Strength, Yield	41.0 MPa
	45.0 MPa	50 mm/min (2.0 in/min)
Elongation at Break	50 %	Nominal
	100 %	50 mm/min (2.0 in/min)
	150 %	50 mm/min (2.0 in/min)
Elongation at Yield	30 %
	35 %	50 mm/min (2.0 in/min)
Tensile Modulus	1.30 GPa	50 mm/min (2.0 in/min)
	1.40 GPa
Flexural Yield Strength	34.0 MPa	At 3.5% strain
	36.0 MPa	At 5% strain
Flexural Modulus	1.10 GPa	Test 2
	1.13 GPa	Test 1
Shear Strength	34.0 MPa
Izod Impact, Unnotched	NB
	2.50 J/cm @Temperature -40.0 °C
Izod Impact, Notched (ISO)	90.0 kJ/m²
	20.0 kJ/m² @Temperature -40.0 °C
Charpy Impact Unnotched	NB
	NB @Temperature -30.0 °C
Charpy Impact, Notched	9.00 J/cm²
	2.00 J/cm² @Temperature -30.0 °C
Tensile Impact Strength	1580 kJ/m²	Long Specimen
Impact	NB	J/m; Unnotched
Tensile Creep Modulus, 1 hour	1350 MPa
Tensile Creep Modulus, 1000 hours	550 MPa

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+12 ohm-cm	Test 1
	4.00e+14 ohm-cm	Test 2
Surface Resistance	1.00e+14 ohm	Test 1
	2.00e+14 ohm	Test 2
Dielectric Constant	4.2
	3.8 @Frequency 1e+6 Hz
	4.4 @Frequency 100 Hz
Dielectric Strength	20.0 kV/mm @Thickness 3.20 mm	Short Time
Dissipation Factor	0.0065 @Frequency 100 Hz
	0.027 @Frequency 1e+6 Hz
Comparative Tracking Index	600 V

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	126 µm/m-°C @Temperature 23.0 - 55.0 °C
	130 µm/m-°C @Temperature 23.0 - 55.0 °C
CTE, linear, Transverse to Flow	136 µm/m-°C @Temperature 23.0 - 55.0 °C
	140 µm/m-°C @Temperature 23.0 - 55.0 °C
Melting Point	178 °C	10°C/min
	178 °C
Deflection Temperature at 0.46 MPa (66 psi)	100 °C
	124 °C	Unannealed
Deflection Temperature at 1.8 MPa (264 psi)	60.0 °C
	61.0 °C	Unannealed
UL RTI, Electrical	105 °C @Thickness 1.50 mm
	105 °C @Thickness 3.00 mm
UL RTI, Mechanical with Impact	85.0 °C @Thickness 1.50 mm
	85.0 °C @Thickness 3.00 mm
UL RTI, Mechanical without Impact	85.0 °C @Thickness 1.50 mm
	85.0 °C @Thickness 3.00 mm
Flammability, UL94	HB @Thickness 1.50 mm	Test 1
	HB @Thickness 1.50 mm	Test 2
	HB @Thickness 3.00 mm	Test 1
	HB @Thickness 3.00 mm	Test 2
Oxygen Index	21 %

**
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