Aardvark Polymers AARTEL® 820UV Acetal Copolymer Rotational Molding Resin

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Aardvark Polymers AARTEL® 820UV Acetal Copolymer Rotational Molding Resin (discontinued **)
Categories:	Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM)
Material Notes:	Aartel 820UV is a natural acetal copolymer with added UV stabilizers. Aartel 820UV is a low viscosity resin with excellent flow characteristics. Aartel 820UV is available in natural white and may be painted, printed, or plated. Aartel 820UV may be compounded and dry colored. Aartel 820UV offers exceptional resistance to aggressive chemicals and fuels. Aartel 820UV has a fuel permeation rate of 1.2 gr-mm/m2-day. Aartel 820UV is formulated for interior and exterior applications
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Physical Properties	Original Value	Comments

Density	1.40 g/cc
Water Absorption	0.22 %
Moisture Absorption at Equilibrium	0.80 %
Linear Mold Shrinkage	0.021 cm/cm
Linear Mold Shrinkage, Transverse	0.017 cm/cm

Mechanical Properties	Original Value	Comments
Hardness, Rockwell M	80
Tensile Strength, Yield	60.0 MPa
Elongation at Break	40 %
Flexural Yield Strength	89.0 MPa
Flexural Modulus	2.60 GPa
Compressive Yield Strength	110 MPa	10% Deflection; ASTM D-695
Fatigue Strength	21.0 MPa @# of Cycles 1.00e+7	ASTM D-671
Shear Strength	53.0 MPa
Izod Impact, Notched	0.530 J/cm	ASTM D-256
	0.430 J/cm @Temperature -29.0 °C	ASTM D-256
Tensile Impact Strength	128 kJ/m²

Thermal Properties	Original Value	Comments
Deflection Temperature at 0.46 MPa (66 psi)	158 °C
Deflection Temperature at 1.8 MPa (264 psi)	110 °C
Flammability, UL94	HB

**
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