Thermal conductivity against densityHigher and further left: spreads more heat for its weightThermal expansion against thermal conductivityLower and further right: warps less when heated
Sources2 documents: Celanese
Values for
Bulk polymer (molded or machined). Celanese GUR 4120 (avg. molecular weight 4.7x10^6 g/mol), typical values on compression-molded specimens; CTE and thermal conductivity from Celanese's generic UHMWPE guide (grade not named)
1
GUR UHMW-PE Overview (GUR-015)CelaneseYield strength: typical, tensile stress at yield ISO 527, 50 mm/minUltimate tensile strength: typical, tensile stress at break ISO 527, 50 mm/minElongation at break: typical, nominal elongation at break ISO 527Young's modulus (stiffness): typical, tensile modulus ISO 527, 1 mm/minDensity: typicalMelting point: DSC 10 K/minMax service temperature: recommended max constant operating temperature
2
GUR UHMW-PE Polymer Guide (GUR-003)Celanesearchived copyThermal conductivity: typical, unfilled (narrative value, generic Celanese UHMWPE)Thermal expansion: typical, 20 to 100 °C (generic Celanese UHMWPE)
Plastic UHMWPE has a thermal conductivity of 0.4 W/m·K (0.231 BTU/hr·ft·°F). Basis: typical, unfilled (narrative value, generic Celanese UHMWPE). Source: Celanese, GUR UHMW-PE Polymer Guide (GUR-003)archived copy.
Coefficient of thermal expansion of Plastic UHMWPE
Plastic UHMWPE expands 200 µm/m·K (111 µin/in·°F): a 100 mm part grows 1,000 µm over a 50 °C rise. Basis: typical, 20 to 100 °C (generic Celanese UHMWPE). Source: Celanese, GUR UHMW-PE Polymer Guide (GUR-003)archived copy.
Melting point of Plastic UHMWPE
Plastic UHMWPE melts at 130–138 °C (266–280 °F). Basis: DSC 10 K/min. Source: Celanese, GUR UHMW-PE Overview (GUR-015).
Maximum service temperature of Plastic UHMWPE
The maximum service temperature of Plastic UHMWPE is 80 °C (176 °F). Basis: recommended max constant operating temperature. Source: Celanese, GUR UHMW-PE Overview (GUR-015).