TECASINT™ 2021

About
TECASINT™ 2000 series of polyimide stock shapes provide a superior combination of high temperature and bearing and wear, properties that make it an ideal choice for the most demanding applications. TECASINT™ 2011 is very pure, and exhibits low outgassing. It is also characterized by it’s longterm thermal stability, outstanding wear resistance, high creep resistance, and strength up to its continuous use temperature of 536° F. TECASINT™ 2021 contains 15% graphite and is also available for applications requiring improved wear resistance & lower coefficient of friction. TECASINT™ 2000 series with their superior physical properties, are ideal for applications in the aerospace, nuclear, automotive, electrical/electronics, and chemical processing industries. TECASINT™ shapes are excellent candidates for high purity applications in the semiconductor processing industry. Typical components produced from TECASINT™ applications include seals, thrust washers, bushings and wear pads in transportation/off-highway equipment, insulating and support elements in electrical welding and brazing equipment, and wafer-handling components in the harsh environment of semiconductor plasma ovens. Pump and valve seals, vanes, and piston rings are also commonly produced from TECASINT™ series materials. Superior high temperature characteristics Excellent long-term thermal stability Outstanding bearing and wear properties Excellent creep resistance High strength and stiffness properties High purity characteristics Good chemical resistance&&

Product Description
SupplierEnsinger
GenericTPI
Material StatusCommercial: Active
FeaturesGood Rigidity,Good flexibility,Low coefficient of friction,High Heat Resistance,Good wear resistance,Solvent resistance,Heat Stabilized
AvailabilitysNorth America

Technical Data
PHYSICALNominal valueUnitTest method
Density1.46g/cm³ASTM D792
Water absorption rate
23℃,24hr1.3%ASTM D570

IMPACTNominal valueUnitTest method
Charpy Notched Impact Strength
23℃523J/mASTM D256

THERMALNominal valueUnitTest method
Hot deformation temperature
1.8 MPa, unannealed> 316ASTM D648
Linear coefficient of thermal expansion
MD:-40~38℃4.1E-51/℃ASTM D696
Maximum operating temperature 
Intermittent330
long-term280

MECHANICALNominal valueUnitTest method
Shore hardness
Shaw’s D87 ASTM D2240
Tensile modulus4400MPaASTM D638
tensile strength
Yield, 23 ℃101MPaASTM D638
Tensile strain
Fracture, 23 ℃3.7%ASTM D638
Bending modulus
23℃4050MPaASTM D790
bending strength
23℃143MPaASTM D790

Notes
1. Typical properties: these are not to be construed as specifications.
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