Duratron™ DFU7000 PI direct-formed shapes have improved thermal-oxidative stability, lower moisture uptake and better dimensional stability than Duratron™ DF7000 PI. Duratron™ DFU7000 PI exhibits superior electrical and thermal insulation properties, as well as outstanding mechanical performance qualities for applications that demand higher temperature resistance. In addition, Duratron™ DFU7000 PI parts and near net shapes offer great chemical resistance, high strength and toughness and outstanding dimensional stability. For these reasons, Duratron™ DFU7000 PI is often seen as an ideal solution for designs meant to reduce weight, extend length of service before maintenance or replacement and reduce overall costs by increasing process uptime.
PROPERTIES
Improved thermal-oxidative stability
Lower moisture uptake and better dimensional stability vs. Duratron™ DF7000 PI
Superior thermal and electrical insulation
Outstanding mechanical performance and dimensional stability at high temperatures
Great chemical resistance
High strength and toughness
Thermal Properties
Property
Value
Heat Deflection Temperature at 1.8MPa (264 psi) (ºC)
270
Continuous allowable service temperature in air
260
Mechanical Properties
Property
Value
Tensile Strength (MPa)
95
Tensile Modulus of Elasticity (MPa)
3,800
Compressive stress at 1% nominal strain (MPa)
30
Compressive stress at 2% nominal strain (MPa)
50
Compressive stress at 5% nominal strain (MPa)
95
Flexural Strength (MPa)
155
Charpy Impact Notched (kJ/m²)
3
Chemical Properties
Property
Value
Hot Water / Steam
Limited
Acids, Weak
Acceptable
Acids, Strong (pH 1-3)
Not acceptable
Alkalies, Weak
Not acceptable
Alkalies, Strong (pH 11-14)
Not acceptable
Hydrocarbons - Aromatic
Not acceptable
Hydrocarbons - Aliphatic
Not acceptable
Ketones, Esters
Not acceptable
Chlorinated Solvents
Not acceptable
Alcohols
Not acceptable
Inorganic Salt Solutions
Acceptable
Electrical Properties
Property
Value
Dielectric Strength (kV/mm)
Certification Properties
Property
Value
FDA
Not compliant
European Food Approval
Not compliant
NSF
Not compliant
3A-SSI
Not compliant
Canada AG
USDA
Not compliant
Flammability (UL Rating)
V-0
Medical use
Miscellaneous Properties
Property
Value
Base Material
PI
Brand Family
Colors
Yellow
Density (g/cm3)
1.35
Water Absorption after 24 hrs immersion in water (%)