Quadrant EPP Semitron® ESd 420 PEI 材料说明：
Semitron ESd 420 is part of the Quadrant EPP family of products designed for use in the semiconductor industry, where electrostatic dissipation is a requirement. It is a compression-molded material that performs at temperatures to 410 and is designed for applications currently in PEI or PES, but where protection from static discharge is required.POLYETHERIMIDE （PEI）
Advantages
1. Continuous use temperature of 365degrees F （180 degrees C）
2. High strength
3. Inherently flame retardant
Limitations
1. Cost
2. Colorability
Overview
Polyetherimide （PEI） is a high performance engineeringthermoplastic. PEI's characteristics include high strength and rigidity aevated temperatures, long term heat resistance, dimensional stability andgood electrical properties.
Like other amorphous, high temperature resins, PEI hasoutstanding dimensional stability and is inherently flame retardant. PEI doesresist chemicals, such as hydrocarbons, alcohols and halogenated solvents.
Creep resistance over the long term allows PEI to replacemetal and other materials in many structural applications. Electricalproperties show excellent stability under variable temperature, humidity andfrequency conditions.
PROBE HOUSING
PEI with glass fiberprovides excellent physical properties and dimensional stability
Chemical resistance tocleaning fluids
Polyetherimide resin compounded with glass-fiber is the material choice for a newly designedprobe housing on a medical monitor molded by Precision Interconnect ofPortland, Oregon. The small, inch-long part provides physical protection forthe electrical connectors within. The attributes of PEI （high strength,rigidity, dimensional stability and impact resistance） are critical in theapplication as is chemical resistance to cleaning fluids. A critical color match is required to match the color of the monitor. The housing is secured tothe wires with overmolded, flexible Lomod®.
Polyetherimide resin compounded with glass-fiber is the material choice for a newly designedprobe housing on a medical monitor molded by Precision Interconnect ofPortland, Oregon. The small, inch-long part provides physical protection forthe electrical connectors within. The attributes of PEI （high strength,rigidity, dimensional stability and impact resistance） are critical in theapplication as is chemical resistance to cleaning fluids. A critical color match is required to match the color of the monitor. The housing is secured tothe wires with overmolded, flexible Lomod®.
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