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Meldin Supplier

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Saint-Gobain Meldin® 2021 Bearing
Categories: Polymer; Thermoset; Polyimide, TS
Material Notes: General Notes on Meldin 2000 Series Bearing Products:
For High-Temperature, Close-Tolerance Applications. Able to withstand temperatures of 600°F with excursions to 900°F, the Medlin® 2000 Series can be machined into various configurations, from rod or sheet stock shapes. Black in color. Meldin® 2000 Series offers very high compression strength, high creep resistance, and dimensional stability.
Specific Notes on Meldin® 2021 Bearing
Meldin® 2021 is a multi-purpose bearing grade for high-temperature and high-load applications. It maintains its strength and rigidity at elevated temperatures.

Applications include: Appliances, Automotive, Industrial, Semiconductor, Transportation.

Specification Notes: Note that the specifications given for this product are typical specifications for the Meldin® 2000 Series, and individual products will vary as indicated in the material notes.
Information provided by Saint Gobain Performance Products.
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Physical PropertiesOriginal ValueComments
Specific Gravity 1.48 g/ccASTM D792
Water Absorption 0.13 %ASTM D570
Deformation 0.090 %
@Pressure 13.8 MPa		24 hrs. Mold Direction; ASTM D621
Outgassing - Total Mass Loss 0.69 %% WVR; ASTM E595
 1.38 %ASTM E5955
Collected Volatile Condensable Material 0.00 %ASTM E55955
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore D 90ASTM D2240
Tensile Strength, Ultimate 13.7 MPa
@Temperature 316 °C		ASTM D 638
 38.6 MPa
@Temperature 260 °C		ASTM D 638
 75.8 MPa
@Temperature 23.0 °C		ASTM D 638
Elongation at Break 3.5 %
@Temperature 260 °C		ASTM D 638
 5.0 %
@Temperature 23.0 °C		ASTM D 638
 12 %
@Temperature 316 °C		ASTM D 638
Tensile Modulus 0.200 GPa
@Temperature 316 °C		ASTM D 638
 1.00 GPa
@Temperature 260 °C		ASTM D 638
 1.30 GPa
@Temperature 23.0 °C		ASTM D 638
Flexural Strength 86.1 MPaASTM D 790
Flexural Modulus 3.90 GPaASTM D 790
Compressive Yield Strength 34.4 MPa
@Strain 7.0 %,
Temperature 316 °C		ASTM D695 Modified
 62.0 MPa
@Strain 7.0 %,
Temperature 260 °C		ASTM D695 Modified
 207 MPa
@Strain 10 %,
Temperature 23.0 °C		ASTM D695 Modified
Ultimate Compressive Strength 58.6 MPa
@Temperature 316 °C		ASTM D695 Modified
 100 MPa
@Temperature 260 °C		ASTM D695 Modified
 227.5 MPa
@Temperature 23.0 °C		ASTM D695 Modified
Compressive Modulus 0.500 GPa
@Temperature 316 °C		ASTM D695 Modified
 1.30 GPa
@Temperature 260 °C		ASTM D695 Modified
 2.70 GPa
@Temperature 23.0 °C		ASTM D695 Modified
Izod Impact, Notched 20.3 J/mASTM D 256
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity 1.00e+15 ohm-cmASTM D257
Surface Resistance 1.00e+15 ohmASTM D257
Dielectric Constant 11.92
@Frequency 1e+6 Hz		ASTM D150
 12.41
@Frequency 10000 Hz		ASTM D150
 12.65
@Frequency 100 Hz		ASTM D150
Dielectric Strength 200 V/milASTM D149
Dissipation Factor 0.0067
@Frequency 100 Hz		ASTM D150
 0.0096
@Frequency 10000 Hz		ASTM D150
 0.019
@Frequency 1e+6 Hz		ASTM D150
 
Thermal PropertiesOriginal ValueComments
CTE, linear 49.0 µm/m-°CASTM E831-93
Thermal Conductivity 0.620 W/m-KC518/C177
Maximum Service Temperature, Air >= 600 °FUL-746 B

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