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	Metric	English	Comments

Density	1.34 g/cc	0.0484 lb/in³	Test 1
	1.34 g/cc	0.0484 lb/in³	Test 2
Water Absorption	0.44 %	0.44 %	24 hour immersion
Moisture Absorption at Equilibrium	0.35 %	0.35 %	50% RH, Test 1
	0.35 %	0.35 %	50% RH, Test 2
Water Absorption at Saturation	0.85 %	0.85 %	Test 2
	0.90 %	0.90 %	Test 1
Linear Mold Shrinkage, Flow	0.013 cm/cm @Thickness 2.00 mm	0.013 in/in @Thickness 0.0787 in
Linear Mold Shrinkage, Transverse	0.014 cm/cm @Thickness 2.00 mm	0.014 in/in @Thickness 0.0787 in
Melt Flow	2.0 g/10 min	2.0 g/10 min
	2.278 g/10 min @Load 2.16 kg, Temperature 190 °C	2.278 g/10 min @Load 4.76 lb, Temperature 374 °F

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell M	58	58	Test 1
	58	58	Test 2
Hardness, Rockwell R	105	105	Test 1
	105	105	Test 2
Tensile Strength, Yield	41.0 MPa	5950 psi
	45.0 MPa	6530 psi	50 mm/min (2.0 in/min)
Elongation at Break	50 %	50 %	Nominal
	100 %	100 %	50 mm/min (2.0 in/min)
	150 %	150 %	50 mm/min (2.0 in/min)
Elongation at Yield	30 %	30 %
	35 %	35 %	50 mm/min (2.0 in/min)
Tensile Modulus	1.30 GPa	189 ksi	50 mm/min (2.0 in/min)
	1.40 GPa	203 ksi
Flexural Yield Strength	34.0 MPa	4930 psi	At 3.5% strain
	36.0 MPa	5220 psi	At 5% strain
Flexural Modulus	1.10 GPa	160 ksi	Test 2
	1.13 GPa	164 ksi	Test 1
Shear Strength	34.0 MPa	4930 psi
Izod Impact, Unnotched	NB	NB
	2.50 J/cm @Temperature -40.0 °C	4.68 ft-lb/in @Temperature -40.0 °F
Izod Impact, Notched (ISO)	90.0 kJ/m²	42.8 ft-lb/in²
	20.0 kJ/m² @Temperature -40.0 °C	9.52 ft-lb/in² @Temperature -40.0 °F
Charpy Impact Unnotched	NB	NB
	NB @Temperature -30.0 °C	NB @Temperature -22.0 °F
Charpy Impact, Notched	9.00 J/cm²	42.8 ft-lb/in²
	2.00 J/cm² @Temperature -30.0 °C	9.52 ft-lb/in² @Temperature -22.0 °F
Tensile Impact Strength	1580 kJ/m²	752 ft-lb/in²	Long Specimen
Impact	NB	NB	J/m; Unnotched
Tensile Creep Modulus, 1 hour	1350 MPa	196000 psi
Tensile Creep Modulus, 1000 hours	550 MPa	79800 psi

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.00e+12 ohm-cm	1.00e+12 ohm-cm	Test 1
	4.00e+14 ohm-cm	4.00e+14 ohm-cm	Test 2
Surface Resistance	1.00e+14 ohm	1.00e+14 ohm	Test 1
	2.00e+14 ohm	2.00e+14 ohm	Test 2
Dielectric Constant	4.2	4.2
	3.8 @Frequency 1e+6 Hz	3.8 @Frequency 1e+6 Hz
	4.4 @Frequency 100 Hz	4.4 @Frequency 100 Hz
Dielectric Strength	20.0 kV/mm @Thickness 3.20 mm	508 kV/in @Thickness 0.126 in	Short Time
Dissipation Factor	0.0065 @Frequency 100 Hz	0.0065 @Frequency 100 Hz
	0.027 @Frequency 1e+6 Hz	0.027 @Frequency 1e+6 Hz
Comparative Tracking Index	600 V	600 V

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	126 µm/m-°C @Temperature 23.0 - 55.0 °C	70.0 µin/in-°F @Temperature 73.4 - 131 °F
	130 µm/m-°C @Temperature 23.0 - 55.0 °C	72.2 µin/in-°F @Temperature 73.4 - 131 °F
CTE, linear, Transverse to Flow	136 µm/m-°C @Temperature 23.0 - 55.0 °C	75.6 µin/in-°F @Temperature 73.4 - 131 °F
	140 µm/m-°C @Temperature 23.0 - 55.0 °C	77.8 µin/in-°F @Temperature 73.4 - 131 °F
Melting Point	178 °C	352 °F	10°C/min
	178 °C	352 °F
Deflection Temperature at 0.46 MPa (66 psi)	100 °C	212 °F
	124 °C	255 °F	Unannealed
Deflection Temperature at 1.8 MPa (264 psi)	60.0 °C	140 °F
	61.0 °C	142 °F	Unannealed
UL RTI, Electrical	105 °C @Thickness 1.50 mm	221 °F @Thickness 0.0591 in
	105 °C @Thickness 3.00 mm	221 °F @Thickness 0.118 in
UL RTI, Mechanical with Impact	85.0 °C @Thickness 1.50 mm	185 °F @Thickness 0.0591 in
	85.0 °C @Thickness 3.00 mm	185 °F @Thickness 0.118 in
UL RTI, Mechanical without Impact	85.0 °C @Thickness 1.50 mm	185 °F @Thickness 0.0591 in
	85.0 °C @Thickness 3.00 mm	185 °F @Thickness 0.118 in
Flammability, UL94	HB @Thickness 1.50 mm	HB @Thickness 0.0591 in	Test 1
	HB @Thickness 1.50 mm	HB @Thickness 0.0591 in	Test 2
	HB @Thickness 3.00 mm	HB @Thickness 0.118 in	Test 1
	HB @Thickness 3.00 mm	HB @Thickness 0.118 in	Test 2
Oxygen Index	21 %	21 %

**
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