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PEISheetNatural

Ultem 1000 (PEI) - 0.375" 24 x 48 Natural Sheet

About this product

Ultem 1000 (PEI) sheet is a Natural Polyetherimide material supplied in a 0.375" thick x 24" x 48" format, ideal for demanding electrical, aerospace, and high-temperature applications. This high-performance PEI sheet offers excellent heat deflection, inherent flame resistance, and strong dimensional stability where consistent performance matters.

Ultem 1000 (PEI) - 0.375" 24 x 48 Natural SheetUltem 1000 (PEI) - 0.375" 24 x 48 Natural Sheet - view 2Ultem 1000 (PEI) - 0.375" 24 x 48 Natural Sheet - view 3
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This PEI sheet measures 0.375″ thick, 24″ × 48″, finished in natural. Available to order — price $919.97 per Each.

SpecificationValueTolerance
Shape / FormSheet
Thickness0.375″Standard
Width24″Standard
Length48″Standard
ColorNatural
Specifications

Resin

Ultem 1000

Shape

Sheet

Thickness

0.375 in

Width

24 in

Length

48 in

Color

Natural

Unit of Measure

Each

Other PEI sizes

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Price

$919.97 / Each

In Stock
21010 available
Available at 11 locations

Ships direct from the manufacturer — under $500 of it per order includes a $150 small-order charge

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Quick Info
ResinUltem 1000
CategoryPEI
FormSheet
Thickness0.375 in
Width24 in
Length48 in

Typical Properties — Ultem 1000 (PEI) - 0.375" 24 x 48 Natural Sheet

Pei
General
PropertyTest MethodUnitValue
DensityD792lb/in³ / g/cm³0.046 / 1.2
Water absorption (24 / 96 h immersion @ 73°F)ASTM D570mg / %20/41 / 0.26/0.54
Water absorption (Saturation in air @ 73°F, 50% RH)ASTM D570%0.75
Water absorption (Saturation in water @ 73°F)ASTM D570%1.35
Flammability rating (UL 94, 3 / 6 mm thickness)UL 94V-0/V-0
Mechanical
PropertyTest MethodUnitValue
Tensile strength (At yield / break)ASTM D638psi / MPa15,250 / 105
Tensile strain at breakASTM D638%10
Tensile modulusASTM D638psi / MPa493,000 / 3,300
Compressive stress (At 10% nominal strain)ASTM D695psi / MPa22,000 / 150
Rockwell hardnessASTM D785R126
Operating Environment
PropertyTest MethodUnitValue
Thermal conductivity (@ 73°F)ASTM C177Btu·in/ft²·h·°F / W/m·K1.5 / 0.21
Coefficient of thermal expansion (Avg. 73 – 140°F)ASTM D696μin/in/°F / μm/m/°C25 / 45
Coefficient of thermal expansion (Avg. 73 – 212°F)ASTM D696μin/in/°F / μm/m/°C25 / 45
Heat deflection temperature (264 psi (Method A))ASTM D648°F / °C375 / 190
Max service temperature (Short-term)°F / °C390 / 195
Max service temperature (Continuous (5,000 / 20,000 h))°F / °C340 / 170
Electrical
PropertyTest MethodUnitValue
Dielectric strengthASTM D149V/mil / kV/mm685 / 26
Volume resistivityASTM D257Ω·cm>10¹⁴
Surface resistivityASTM D257Ω>10¹³

Typical properties are provided for reference only. Values may vary based on processing conditions, form factor, and lot. Contact Ready Plastics for certified test data.

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