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Semitron ® ESd 420 PEI

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Sheet widths and lengths are cut to nominal dimensions; Rod lengths are also cut to nominal dimensions. Nominal cuts can be undersized by up to .200 inches. Cut-to-size items are non-refundable. See our return policy for more details. Contact us if you need precision cut sizes.

3. Please Select Length *

Sheet widths and lengths are cut to nominal dimensions; Rod lengths are also cut to nominal dimensions. Nominal cuts can be undersized by up to .200 inches. Cut-to-size items are non-refundable. See our return policy for more details. Contact us if you need precision cut sizes.

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Note: There is a $50.00 line item minimum on all orders.

General Info

Semitron® ESd 420 is a static dissipative PolyEtherImide. This material has the same general properties as PEI but with static dissipative properties throughout, resistivity in the range of 10^6 to 10^9. It is thermally stable to temperatures of 420°F (215°C) without degradation. Semitron® ESd is a family of static dissipative products designed for use where electrical discharge in operation is a problem. Semitron® ESd products are inherently dissipative. They do not rely on atmospheric phenomena (humidity) to activate, nor are surface treatments used to achieve dissipation. Static electricity is dissipated through these products as readily as it is dissipated along the surface.

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Key Properties

  • High strength and stiffness
  • Low stress for tight tolerance machining
  • Surface resistivity: 10^6 – 10^9 ohms/sq.
  • High Thermal performance

Limitations

Applications

  • Circuit Boards
  • Components for High Speed Electronic Printing
  • Hard Disk Drives Components
  • Integrated Circuits Components
  • Photovoltaic Processing Equipment
  • Sensitive Processing Components in a Wide Range of Semiconductor Processes

Resin Trade Names

  • ULTEM®

Manufacturer Trade Names

  • Semitron® ESd 420 PEI

Boedeker Plastics, Inc. stocks & supplies plastic sheet, rod, tube, film and custom profiles and machine parts from these shapes that are produced from plastic resin. In many cases the manufacturer of the shape has their own product trade name. If your specification calls for a specific resin grade or manufacturer trade name, we can supply a shape made from that resin to meet your specification or suggest an equal. If you require a specific resin or brand it must be specified at the time of order.

Available Sizes

Available Colors

  • Black

Safety Data Sheet

Download Safety Data Sheet

Typical Properties of Semitron ® ESd 420 PEI

DETAIL
Description Value
Material Type Imidized Amorphous Thermoplastic
Chemical Name PEI Polyetherimide
Trade Name SEMITRON® ESD 420
Additives Proprietary ESd Additive
Color Black
Manufacturer Quadrant
PHYSICAL
Property Test Unit of Measure Value
Density ASTM D792 g/cm³ 1.34
  ASTM D792 lb/in³ 0.048
Water Absorption, 24 hrs, Immersion ASTM D570 % by wt. 0.5
MECHANICAL
Property Test Unit of Measure Value
Tensile Strength ASTM D638 psi 11,500
Tensile Modulus ASTM D638 psi 640,000
Tensile Elongation at Break ASTM D638 % 2
Flexural Strength ASTM D790 psi 14,500
Flexural Modulus ASTM D790 psi 650,000
Compressive Strength ASTM D695 psi 23,800
Compressive Modulus ASTM D695 psi 370,000
Hardness ASTM D785 NA Rockwell M118
IZOD Impact-Notched ASTM D256 ft-lb/in 1
THERMAL
Property Test Unit of Measure Value
Coefficient of Linear Thermal Expansion ASTM D696 x 10-5 in./in./°F 1.9
Heat Deflection Temp ASTM D648 °C at 264 psi 210
  ASTM D648 °F at 264 psi 410
Max Continuous Operating Temp °C 171
  °F 340
Minimum Operating Temp °C -50
  °F -58
Thermal Conductivity ASTM C117 BTU-in/ft²-hr-°F 1.51
  ASTM C117 x 10^4 cal/cm-sec-°C 5.2
Flammability Rating UL94 NA V-0
ELECTRICAL
Property Test Unit of Measure Value
Dielectric Constant at 1 MHz ASTM D150 NA 5.63
Dissipation Factor at 1 MHz ASTM D150 NA 0.266
Surface Resistivity ANSI/ESD STM 11.11 ohm/square 10^6 - 10^9
COMPLIANCE
Description Value
FDA No
USDA No
NSF No
3-A Dairy No
Canadian Food Inspection Agency No
USP Class VI No
OTHER
Description Value
UV Resistant Yes
Relative Cost $$$$$
Machinability 4

Relative cost based on a scale of one dollar sign ($) as the lowest to ten dollar signs ($$$$$$$$$$) as the highest. Machinability based on a scale of 1 to 10, with 1 being the easiest and 10 being the most difficult to machine. NOTE: All information contained on www.boedeker.com, downloadable documents and printed literature is intended for technical reference only and considered to be accurate for reference purposes only. Boedeker Plastics, Inc. makes no guarantee and offers no warranty for fitness in use and strongly recommends the user validate any plastic, machined part, or product in a specific application for fitness in use.

SEMITRON is a registered trademark of Quadrant Engineering Plastic Products. ULTEM is a registered trademark of SABIC.

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