TECAPEI™ GF30 CAL natural (Ultem® 2300 Series)

Calendered 30% glass fiber reinforced PEI

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TECAPEI GF30 CAL natural is a 30% glass fiber reinforced PEI material, that is processed into thin sheets and rolls by means of calendering. In general, the material has similar properties to extruded TECAPEI GF30 natural. TECAPEI GF30 CAL natural is also processed into punched washers and is available as custom order.
 

Facts

Chemical designation
PEI (Polyetherimide)
Colour
brown-beige
Density
1.51 g/cm3

Main Features

  • high thermal and mechanical capacity
  • high dielectric strength
  • excellent strength and stiffness
  • excellent tensile strength
  • easy to machine
  • inherent flame resistance

Target industries

aircraft and aerospace technology
electrical engineering
automotive industry
mechanical engineering

Downloads

Datasheet (PDF)

Technical details

  • product-technical-detail-collapse-item-0-lvl-1
    Mechanical properties Value Unit Parameter Norm
    Tensile strength at break 19,000 psi @ 73 °F ASTM D 638
    Modulus of elasticity
    (tensile test)    		 775,000 psi @ 73 °F ASTM D 638
    Elongation at break (tensile test) 3 % @ 73 °F ASTM D 638
    Flexural strength 28,000 psi @ 73 °F ASTM D 638
    Modulus of elasticity
    (flexural test)    		 850,000 psi @ 73 °F ASTM D 790
    Impact strength (Izod) 1.1 ftlbsin @ 73 °F ASTM D 256
    Rockwell hardness 110 - M Scale ASTM D 785
    Compression strength 25,500 psi 10% strain ASTM D 695
    Compression modulus 450,000 psi @ 73 °F ASTM D 695
    Shear strength 14,500 psi @ 73 °F, ASTM D732 -
  • product-technical-detail-collapse-item-1-lvl-1
    Thermal properties Value Unit Parameter Norm
    Deflection temperature 414 F @ 66 psi, 1/4" ASTM D 648
    Deflection temperature 409 F @264 psi, 1/4 ASTM D 648
    Thermal expansion (CLTE) 1.1*10-5 ininF ASTM D 696
    Thermal conductivity 1.56 BTU-in/hr-ft^2 - deg ASTM D 2214
    Service temperature 392 F short term -
    Service temperature 356 F Long Term -
  • product-technical-detail-collapse-item-2-lvl-1
    Electrical properties Value Unit Parameter Norm
    Dielectric constant 3.7 - @ 1kHz, 50% RH ASTM D 150
    Dielectric strength 630 V/mil In Oil ASTM D 149
    Dielectric strength 770 V/mil In Air ASTM D 149
    Dissipation factor 0.0015 % @ 1kHz, 50% RH, 73°F ASTM D 150
    volume resistance 3.0*1016 Ω*cm 1/16 ASTM D 257
  • product-technical-detail-collapse-item-3-lvl-1
    Other properties Value Unit Parameter Norm
    Flammability (UL94) V0 - -
    Moisture absorption 0.16 % @ 24 hrs, 73 °F ASTM D 570
    Moisture absorption 0.90 % @ saturation, 73 °F ASTM D 570

Stock program

Thicknesses greater than 5 inch are possible with our extruded product TECAPEI GF30 natural.