Semitron™ ESd 480 PEEK is an electrostatic dissipative material that exhibits excellent chemical resistance properties while also maintaining high dimensional stability under varying environmental conditions. Due to these characteristics, this grade in particular is ideal for critical test fixture and wafer handling applications in wet process tools, where static dissipation is critical.
PROPERTIES
Electrostatic dissipative
Excellent chemical resistance
High dimensional stability in range of environments
Thermal Properties
Property
Value
Heat Deflection Temperature at 1.8MPa (264 psi) (ºC)
Continuous allowable service temperature in air
250
Mechanical Properties
Property
Value
Tensile Strength (MPa)
70
Tensile Modulus of Elasticity (MPa)
5,800
Compressive stress at 1% nominal strain (MPa)
42
Compressive stress at 2% nominal strain (MPa)
83
Compressive stress at 5% nominal strain (MPa)
141
Flexural Strength (MPa)
110
Charpy Impact Notched (kJ/m²)
2.5
Chemical Properties
Property
Value
Hot Water / Steam
Acceptable
Acids, Weak
Acceptable
Acids, Strong (pH 1-3)
Limited
Alkalies, Weak
Acceptable
Alkalies, Strong (pH 11-14)
Acceptable
Hydrocarbons - Aromatic
Acceptable
Hydrocarbons - Aliphatic
Acceptable
Ketones, Esters
Acceptable
Chlorinated Solvents
Acceptable
Alcohols
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
SEMICON - ESd materials
Miscellaneous Properties
Property
Value
Base Material
PEEK
Brand Family
Colors
Black
Density (g/cm3)
1.46
Water Absorption after 24 hrs immersion in water (%)
