Braskem UTEC® 3040 Ultra High Molecular Weight Polyethylene

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Braskem UTEC® 3040 Ultra High Molecular Weight Polyethylene
Categories:	Polymer; Thermoplastic; Polyethylene (PE); High Density (HDPE); UHMW PE (Ultra High Molecular Weight PE)
Material Notes:	Description: UTEC3040 is an Ultra High Molecular Weight Polyethylene with a molecular weight about 10 times higher than High Density Polyethylene (HDPE) resins. This extremely high molecular weight yields several unique properties to this polymer such as high abrasion resistance and impact strength and low coefficient of friction, what makes it a self-lubricating material. Applications: Applications which require high impact resistance – technical and porous parts, filters, compression molded sheets. Information provided by Braskem.
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Physical Properties	Original Value	Comments

Specific Gravity	0.925 g/cc	ASTM D792/ISO 1183
Bulk Density	0.450 g/cc	ASTM D-1895
Particle Size	205 µm	Average; D50; ASTM D1921
Viscosity Test	1400 cm³/g	Intrinsic; ASTM D4020
Molecular Weight	3.00e+6 g/mol	Braskem

Mechanical Properties	Original Value	Comments
Hardness, Shore D	64	ASTM D2240/ISO 868
	57 @Time 15.0 sec	ASTM D2240/ISO 868
Tensile Strength at Break	>= 30.0 MPa	ASTM D638
Tensile Strength, Yield	>= 17.0 MPa	ASTM D638/ISO 527
Elongation at Break	>= 350 %	ASTM D638
	>= 400 %	ISO 527
Izod Impact, Notched	NB	ASTM D256
Charpy Impact, Notched	>= 190 kJ/m²	Determined with double-notched specimens; ISO 11542-2
Coefficient of Friction, Dynamic	0.090	ASTM D1894
Coefficient of Friction, Static	0.10	ASTM D-1894
Abrasion	25	reference Stainless Steel SAE1020 = 100; Braskem (sand slurry)
	100	ISO 15527 reference set as 100; Braskem (sand slurry)

Descriptive Properties
Elongation Stress	0.2 MPa	ISO 11542-2; (150/10)

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PBRAS767 / 109478

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