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Polyimide
(Tecasint)

Main Features

  • high thermal and mechanical capacity
  • very good thermal stability
  • good chemical resisitance
  • resistance against high energy radiation
  • low outgassing
  • high creep resistance
  • sensitive to hydrolysis in higher thermal range

To view Polyimide
(Tecasint) mechanical properties, thermal properties, electrical properties, other properties, specifications or shapes & sizes please click on the tabs below.

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For more information on the range of shapes, sizes and grades we have available please contact us as we will be happy to assist you with reaching your requirements.

Chemical Designation

PI (Polyimide)

Colour

black

Density

1.34 g/cm3

Our information and statements reflect the current state of our knowledge and shall inform about our products and their applications. They do not assure or guarantee chemical resistance, quality of products and their merchantability in a legally binding way. Our products are not defined for use in medical or dental implants. Existing commercial patents have to be observed. The corresponding values and information are no minimum or maximum values, but guideline values that can be used primarily for comparison purposes for material selection. These values are within the normal tolerance range of product properties and do not represent guaranteed property values. Therefore they shall not be used for specification purposes. Unless otherwise noted, these values were determined by tests at reference dimensions (typically rods with diameter 40-60 mm according to DIN EN 15860) on extruded and machined specimen. As the properties depend on the dimensions of the semifinished products and the orientation in the component (esp. in reinforced grades), the material may not be used without a separate testing under individual circumstances. The customer is solely responsible for the quality and suitability of products for the application and has to test usage and processing prior to use. Technical changes reserved.

Mechanical properties parameter value unit norm  
Modulus of elasticity(tensile test) 1mm/min, 23°C

3600

 MPa DIN EN ISO 527-1  
(tensile test)          
Tensile strength 50 mm/min, 23°C

116

 MPa DIN EN ISO 527-1  
Elongation at break 50 mm/min, 23°C

3,8

 % DIN EN ISO 527-1  
Elongation at break 10 mm/min, 23°C

6

 % DIN EN ISO 178  
Flexural strength 10 mm/min, 23°C

170

 MPa DIN EN ISO 178  
Modulus of elasticity 2 mm/min, 23°C

3700

 MPa DIN EN ISO 178  
(flexural test)          
Compression strength 10 mm/min, 23°C

500

 MPa EN ISO 604  
Compression strength 10mm/min, 10% strain,

190

 MPa EN ISO 604  
  23°C        
Compression modulus 1 mm/min, 23°C

2000

 MPa EN ISO 604  
Compressive strain at break 10 mm/min, 23°C

45

 % EN ISO 604  
Impact strength (Charpy) max 7.5 J, 23°C

75,8

 kJ/m DIN EN ISO 179-1eU  
Notched impact strength (Charpy) max 7.5 J, 23°C

5

 kJ/m DIN EN ISO 179-1eA  
Shore hardness Shore D, 23°C

90

 D DIN 53505  

(1) For tensile test: specimen type 1b
(2) For flexural test: support span 64mm, norm specimen.
(3) Specimen 10x10x10mm
(4) Specimen 10x10x50mm, modulus range between 0.5 and 1% compression.
(5) For Charpy test: support span 64mm, norm specimen. n.b. = not broken
(6) Specimen in 4mm thickness

Our information and statements reflect the current state of our knowledge and shall inform about our products and their applications. They do not assure or guarantee chemical resistance, quality of products and their merchantability in a legally binding way. Our products are not defined for use in medical or dental implants. Existing commercial patents have to be observed. The corresponding values and information are no minimum or maximum values, but guideline values that can be used primarily for comparison purposes for material selection. These values are within the normal tolerance range of product properties and do not represent guaranteed property values. Therefore they shall not be used for specification purposes. Unless otherwise noted, these values were determined by tests at reference dimensions (typically rods with diameter 40-60 mm according to DIN EN 15860) on extruded and machined specimen. As the properties depend on the dimensions of the semifinished products and the orientation in the component (esp. in reinforced grades), the material may not be used without a separate testing under individual circumstances. The customer is solely responsible for the quality and suitability of products for the application and has to test usage and processing prior to use. Technical changes reserved.

Thermal properties parameter value unit norm  
Glass transition temperature  

368

 °C – 1)
Heat distortion temperature 1.85 MPa

368

 °C DIN 53 461  
Service temperature long-term – °C – 2)
Thermal expansion (CLTE) 50-200°C 4.3 / 4.3 10 K DIN 53 752
Thermal expansion (CLTE) 200-300°C 5.3 / 5.3 10 K DIN 53 752
Specific heat  

1,04

 J/(g*K) –    
Thermal conductivity 40°C

0,22

 W/(K*m) ISO 8302  

(1) Found in public sources.
(2) Found in public sources. Individual testing regarding application conditions is mandatory.

Our information and statements reflect the current state of our knowledge and shall inform about our products and their applications. They do not assure or guarantee chemical resistance, quality of products and their merchantability in a legally binding way. Our products are not defined for use in medical or dental implants. Existing commercial patents have to be observed. The corresponding values and information are no minimum or maximum values, but guideline values that can be used primarily for comparison purposes for material selection. These values are within the normal tolerance range of product properties and do not represent guaranteed property values. Therefore they shall not be used for specification purposes. Unless otherwise noted, these values were determined by tests at reference dimensions (typically rods with diameter 40-60 mm according to DIN EN 15860) on extruded and machined specimen. As the properties depend on the dimensions of the semifinished products and the orientation in the component (esp. in reinforced grades), the material may not be used without a separate testing under individual circumstances. The customer is solely responsible for the quality and suitability of products for the application and has to test usage and processing prior to use. Technical changes reserved.

Electrical properties parameter value unit norm  
Specific surface resistance 23°C

10

 Ω DIN IEC 60093  
Specific volume resistance 23°C

10

 Ω*cm DIN IEC 60093  
Electric strength DC 23°C

20

 kV*mm ISO 60243-1  
Dielectric loss factor 50 Hz, 23°C

1*10

   DIN 53483-1  
Dielectric loss factor 27 MHz, 23°C

3*10

   DIN 53483-1  
Dielectric constant 50 Hz, 23°C

3,5

   DIN IEC 60250  
Dielectric constant 27 MHz, 23°C

3,1

   DIN IEC 60250  

(1) Specimen in 20mm thickness
(2) Specimen in 1mm thickness

Our information and statements reflect the current state of our knowledge and shall inform about our products and their applications. They do not assure or guarantee chemical resistance, quality of products and their merchantability in a legally binding way. Our products are not defined for use in medical or dental implants. Existing commercial patents have to be observed. The corresponding values and information are no minimum or maximum values, but guideline values that can be used primarily for comparison purposes for material selection. These values are within the normal tolerance range of product properties and do not represent guaranteed property values. Therefore they shall not be used for specification purposes. Unless otherwise noted, these values were determined by tests at reference dimensions (typically rods with diameter 40-60 mm according to DIN EN 15860) on extruded and machined specimen. As the properties depend on the dimensions of the semifinished products and the orientation in the component (esp. in reinforced grades), the material may not be used without a separate testing under individual circumstances. The customer is solely responsible for the quality and suitability of products for the application and has to test usage and processing prior to use. Technical changes reserved.

Other properties parameter value unit norm  
Water absorption 24 h in water, 23°C

1,08

 % DIN EN ISO 62  
Water absorption 24 h in water, 80°C

3,29

 % DIN EN ISO 62  
Flammability (UL94) corresponding to V0   DIN IEC 60695-11-10; 1)

(1) Ø ca. 50mm, h=13mm
(2) (+) limited resistance
(3) - poor resistance
(4) Corresponding means no listing at UL (yellow card). The information might be taken from resin, stock shape or estimation. Individual testing regarding application conditions is mandatory.

Our information and statements reflect the current state of our knowledge and shall inform about our products and their applications. They do not assure or guarantee chemical resistance, quality of products and their merchantability in a legally binding way. Our products are not defined for use in medical or dental implants. Existing commercial patents have to be observed. The corresponding values and information are no minimum or maximum values, but guideline values that can be used primarily for comparison purposes for material selection. These values are within the normal tolerance range of product properties and do not represent guaranteed property values. Therefore they shall not be used for specification purposes. Unless otherwise noted, these values were determined by tests at reference dimensions (typically rods with diameter 40-60 mm according to DIN EN 15860) on extruded and machined specimen. As the properties depend on the dimensions of the semifinished products and the orientation in the component (esp. in reinforced grades), the material may not be used without a separate testing under individual circumstances. The customer is solely responsible for the quality and suitability of products for the application and has to test usage and processing prior to use. Technical changes reserved.

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