PEI
(Tecapei)

Main Features:

  • high thermal and mechanical capacity
  • resistance against high energy radiation
  • high dimensional stability
  • inherent flame retardant

To view PEI
(Tecapei)
mechanical properties, thermal properties, electrical properties, other properties, downloads, 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.

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Chemical Designation

PEI (Polyethereimide)

Colour

amber transparent

Density

1.28 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 1mm/min

3200

MPa DIN EN ISO 527-2 1)
(tensile test)          
Tensile strength 50mm/min

127

MPa DIN EN ISO 527-2  
Tensile strength at yield 50mm/min

127

MPa DIN EN ISO 527-2  
Elongation at yield 50mm/min

7

% DIN EN ISO 527-2  
Elongation at break 50mm/min

35

% DIN EN ISO 527-2  
Flexural strength 2mm/min, 10 N

164

MPa DIN EN ISO 178 2)
Modulus of elasticity 2mm/min, 10 N

3300

MPa DIN EN ISO 178  
(flexural test)          
Compression strength 1% / 2% 23 / 41 MPa EN ISO 604 3)
  5mm/min, 10 N        
Compression modulus 5mm/min, 10 N

2800

MPa EN ISO 604 4)
Impact strength (Charpy) max. 7,5J

113

kJ/m DIN EN ISO 179-1eU 5)
Ball indentation hardness  

225

MPa ISO 2039-1 6)

(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  

216

°C DIN 53765 1)
Melting temperature   n.a. °C DIN 53765  
Service temperature short term 200 °C     2)
Service temperature long term 170 °C      
Thermal expansion (CLTE) 23-60°C, long.

5

10-5 K-1 DIN EN ISO 11359-1;2  
Thermal expansion (CLTE) 23-100°C, long.

5

10-5 K-1 DIN EN ISO 11359-1;2  
Thermal expansion (CLTE) 100-150°C, long.

6

10-5 K-1 DIN EN ISO 11359-1;2  
Specific heat  

1,2

J/(g*K) ISO 22007-4:2008  
Thermal conductivity  

0,21

W/(K*m) ISO 22007-4:2008  

(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  

10

Ω DIN IEC 60093  
Specific volume resistance  

10

Ω*cm DIN IEC 60093  

(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 24h / 96h (23°C) 0.05 / 0.1 % DIN EN ISO 62       1)
Resistance to hot water/ bases   +   2)
Resistance to weathering     3)
Flammability (UL94) corresponding to V0   DIN IEC 60695-11-10; 4)

(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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