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Mitsubishi Chemical Advanced Materials Ketron™ LSG PEEK-CLASSIX™ (white) Life Science Grade
Categories: Polymer; Thermoplastic; Polyketone; Polyetheretherketone (PEEK); Polyetheretherketone, PEEK, Unreinforced
Material Notes: Life Science Grade PEEK stock shapes, made from Invibo PEEK-CLASSIX™ resin. Pre-assessed for biocompatibility on both resin and shape, according to USP VI and ISO 10993 for up to 30 days contact with body tissue. Exhibits high mechanical strength and stiffness, and excellent resistance to chemicals and repeated sterilization via all current methods. White color to match teeth in dental applications.

Key Words: formerly LSG PEEK-CLASSIX
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Physical PropertiesMetricEnglishComments
Specific Gravity 1.31 g/cc1.31 g/ccASTM D792
Water Absorption at Saturation 0.450 %0.450 %ASTM D570 (17)
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell M 105105ASTM D785
Tensile Strength 115 MPa16700 psiISO 527-1/-2 (7)
Elongation at Yield 4.50 %4.50 %ISO 527-1/-2 (7)
Compressive Yield Strength  40.0 MPa
@Strain 1.00 %		5800 psi
@Strain 1.00 %		ISO 604 (10)
 79.0 MPa
@Strain 2.00 %		11500 psi
@Strain 2.00 %		ISO 604 (10)
 143 MPa
@Strain 5.00 %		20700 psi
@Strain 5.00 %		ISO 604 (10)
Shear Strength 55.0 MPa7980 psiASTM D732
Charpy Impact, Notched 0.350 J/cm²1.67 ft-lb/in²ISO 179-1/1eA
 
Electrical PropertiesMetricEnglishComments
Surface Resistivity per Square 1.00e+14 ohm1.00e+14 ohmANSI/ESD STM 11.11
 
Thermal PropertiesMetricEnglishComments
CTE, linear 50.0 µm/m-°C27.8 µin/in-°FASTM E-831 (TMA)
Thermal Conductivity 0.250 W/m-K1.74 BTU-in/hr-ft²-°F
 0.251 W/m-K1.74 BTU-in/hr-ft²-°F
Melting Point 340 °C644 °FASTM D3418
Maximum Service Temperature, Air 250 °C482 °FContinuous Use Temperature in Air after 20000 hr
Deflection Temperature at 1.8 MPa (264 psi) 165 °C329 °FASTM D648
Minimum Service Temperature, Air -50.0 °C-58.0 °F
 -50.0 °C-58.0 °F
 
Compliance PropertiesMetricEnglishComments
USP Class VI YesYes
 
Chemical Resistance PropertiesMetricEnglishComments
Acids, Strong (pH 1-3) LimitedLimited
Acids, Weak AcceptableAcceptable
Alcohols AcceptableAcceptable
Alkalies, Strong (pH 11-14) AcceptableAcceptable
Alkalies, Weak AcceptableAcceptable
Chlorinated Solvents AcceptableAcceptable
Continuous Sunlight LimitedLimited
Hot Water / Steam AcceptableAcceptable
Hydrocarbons - Aliphatic AcceptableAcceptable
Hydrocarbons - Aromatic UnacceptableUnacceptable
Inorganic Salt Solutions AcceptableAcceptable
Ketones, Esters LimitedLimited
 
Descriptive Properties
ESd categoryInsulative

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P1SM18G / 85175