Graft Polymer GRAFTALEN™ MP-UHHD 00850 Melt Processable Ultra-High-Molecular-Weight-Polyethylene based on High Density Polyethylene

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Graft Polymer GRAFTALEN™ MP-UHHD 00850 Melt Processable Ultra-High-Molecular-Weight-Polyethylene based on High Density Polyethylene
Categories:	Polymer; Thermoplastic; Polyethylene (PE)
Material Notes:	GRAFTALEN™ MP-UHHD is a high performance polymer alloy, consisting of ultra-high molecular weight polyethylene and high density polyethylene. Its main characteristics are very high impact strength, which remains high even at low temperatures, and great flexural properties. Applications: GRAFTALEN™ MP-UHHD functions as a toughener Improves mechanical characteristics Increases abrasion resistance. Supplied as Granulate. Information provided by Graft Polymer LTD.
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Physical Properties	Original Value	Comments

Density	0.945 g/cc @Temperature 21.0 °C	ASTM D792
Melt Flow	<= 8.1 g/10 min @Load 5.00 kg, Temperature 230 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Hardness, Shore D	60	ASTM D2240
Tensile Strength at Break	27.1 - 32.9 MPa	Extrusion Molded, 10mm/min; ISO 527-2
Tensile Strength, Yield	17.2 - 20.0 MPa	Extrusion Molded, 10mm/min; ISO 527-2
Elongation at Break	335 - 401 %	Extrusion Molded, 10mm/min; ISO 527-2
Flexural Strength	25.3 - 25.9 MPa	Extrusion Molded, 2mm/min; ISO 178
Charpy Impact Unnotched	NB @Temperature -40.0 °C	Extrusion Molded, Sample: 1eA(4J); ISO 179
Charpy Impact, Notched	10.0 kJ/m² @Temperature -40.0 °C	ISO 179
	NB @Temperature 23.0 °C	Extrusion Molded, Sample: 1eA(4J); ISO 179
Taber Abrasion, mg/1000 Cycles	3.6 @Load 1.02 kg	at 72 rpm; ASTM D4060

Thermal Properties	Original Value	Comments
Vicat Softening Point	123 °C @Load 1.02 kg	ISO 306

Descriptive Properties
Bend Stress (MPa)	579 +- 110	ISO 178. Extrusion Molded. @ 6mm sample thickness. 2mm/min
Flexural Elongation (mm)	5.7 +-0.2	ISO 178. Extrusion Molded. @ max load. 2mm/min

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PGRAFT934 / 232365

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