VTEC™ BG21

About
High temperature resistance Strength at elevated temperature Superior mechanical properties High compressive strength and creep resistance Excellent chemical resistance Superior resistance to plasma etching Outstanding electrical properties Wear resistance, low friction, self-lubricating Non-abrasive to mating parts Extremely low moisture absorption Radiation resistant Compliant without deforming under load and temperature Very low outgassing Zero metal and mineral extractables Extremely dimensionally stable Equal CTE in X, Y and Z directions&&

Product Description
GenericPI
Material StatusCommercial: Active
FeaturesGood Rigidity,Low extract,Good flexibility,Good Dimensional Stability,Good Electrical Properties,Gamma radiation,Low coefficient of friction,Machinable,Self-lubricating,High Heat Resistance,Low odor,Good wear resistance,Good compressive strength,Solvent resistance,Low moisture absorption
AvailabilitysNorth America

Technical Data
PHYSICALNominal valueUnitTest method
Density1.47g/cm³ASTM D792
Water absorption rate
saturated< 0.10%ASTM D570

THERMALNominal valueUnitTest method
Linear coefficient of thermal expansion
MD4.0E-51/℃ASTM D696

Electrical performanceNominal valueUnitTest method
Surface resistivity1.0E+10 to 1.0E+11ohmsASTM D257
Volume resistivity1.0E+12 to 1.0E+13ohms·cmASTM D257

Supplementary informationNominal valueUnitTest method
Spatial stability
Shrinkage, 24 hours, 260 ℃0.0%

MECHANICALNominal valueUnitTest method
Rockwell hardness
E-level86 ASTM D785
tensile strength ASTM D638
70.9MPaASTM D638
260℃58.5MPaASTM D638
Tensile strain ASTM D638
fracture5.5%ASTM D638
Fracture, 260 ℃3.7%ASTM D638
Bending modulus3150MPaASTM D790
bending strength ASTM D790
96.5MPaASTM D790
100% strain58.6MPaASTM D790
Compression modulus2810MPaASTM D695
compressive strength ASTM D695
260℃142MPaASTM D695
100% strain203MPaASTM D695
Wear Rate – Jet Engine Simulation Testing,Bearing 
260℃254.0µm
345℃457.2µm
400℃609.6µm

Notes
1. Typical properties: these are not to be construed as specifications.
2. 15 min soak
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