Ultem® 2300 (30% Glass Filled Polyetherimide)

Ultem® 2300 is a glass fiber reinforced high performance engineering thermoplastic polymer that provides superior strength and stiffness. It has excellent chemical resistance and has a continuous service temperature of 340 degrees F. It is easily machined with conventional metal working equipment and can be machined to very close tolerances. Both sheet and rod are available in many thicknesses and diameters. Rod stock comes ground to diameter to accommodate through spindle turning. Standard colors are tan and black, and custom colors are available only as custom runs.

Ultem® 2300 enhanced structure increases its rigidity and improves dimensional stability while maintaining many of the useful charactoristics of unfilled Ultem. Also, since it is an amorphous material, care needs to be taken if machined with coolant. If used, non aromatic coolants should be used to avoid crazing.

Specification Test Value Units
Specific Gravity, 73°F D792 1.51
Tensile Strength @ Yield, 73°F D638 17,000 psi
Tensile Modulus of Elasticity, 73°F D638 800,000 psi
Tensile Elongation (at break), 73°F D638 3 %
Flexural Strength, 73°F D790 27,000 psi
Flexural Modulus of Elasticity D790 850,000 psi
Shear Strength, 73°F D732 psi
Compressive Strength – Ultimate psi
Compressive Strength at 2% Deformation D695 psi
Compressive Strength at 10% Deformation D695  32,000 psi
Deformation Under Load < 1 %
Compressive Modulus of Elasticity, 73°F D695 625,000
Compressive Strength ⊥ to Laminate (Modulus) psi
Compressive Strength ⊥ to Laminate (Yield) psi
Compressive Strength ⊥ to Laminate (Ultimate) psi
Hardness, Durometer (Shore “D” scale) D2240 D86
Hardness, Rockwell (Scale as noted) D785 M112 (R127) Rockwell M
Izod Impact, Notched @ 73°F D256 Type A  1 ft.lbs/in. of notch
Coefficient of Friction (Dry vs Steel) Static PTM 55007
Coefficient of Friction (Dry vs Steel) Dynamic PTM 55007
Maximum Static Bearing Load (P) PTM 55007  1,000 psi
Maximum Unlubricated No Load Bearing Velocity (V) PTM 55007 ft/minute
Maximum Limiting PV (Unlubricated) PTM 55007 psi x ft/min.
Wear Factor “K” x 10-10 PTM 55010 Cubic in.-min/ft.lbs.hr
Sand Wheel Wear/Abrasion Test  80 UHMW=100
Minimum Mating Surface Hardness  30 Rockwell (Brinnell)
Coefficient of Linear Thermal Expansion E-831 (TMA)  1.1 in/in/°F x 10-5
Coefficient of Thermal Expansion // to Laminates E-831 (TMA)  1.1 in/in/°F x 10-5
Coefficient of Thermal Expansion I to Laminates E-831 (TMA)  1.1 in/in/°F x 10-5
Softening Point  400 °F
Heat Deflection Temperature 264 psi D648  410 °F
Embrittlement Temperature °F Min.
Continuous Service Temperature in Air 340 °F Max.
Short Term Service Temperature 360 °F Max.
Tg-Glass Transition (Amorphous) D3418 410 °F
Melting Point (Crystalline) Peak D3418 °F
Thermal Conductivity F433  1.56 BTU-in/(hr/ft2°F)
Dielectric Strength Short Term D149  770 Volts/mil
Surface Resistivity D257 >1013 ohm/cm
Volume Resistivity D257 ohm/cm
Dielectric Constant, 106 Hz D150 3.7
Dissipation Factor, 106 Hz D150 0.0015
Flammability @ 3.1mm(1/8 in.) UL94 UL94 V-0
Arc Resistance seconds
Water Absorption, Immersion 24 Hours D570 (2) 0.18 %
Water Absorption, Immersion Saturation D570 (2)  .9 %
Machinability Rating 1 1=easy, 10=difficult
Rod Diameter Availability (Off the Shelf) .50 6.0 inches
Sheet Thickness Availability (Off the Shelf) .030 3.0 inches
Characteristics / Attributes Superior Chemical Resistance / 340F Cont. Service Temp Excellent rigidity and stiffness.