Ultem 1000 Round Rod, Beige, 1/4" OD, 36" Length Reviews
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Ultem 1000 Round Rod, Beige, 1/4" OD, 36" Length Feature
- PEI will withstand continuous temperature of 390 F under load.
- Is rated UL 94 VO and is generally accepted by the FAA for aircraft interiors
- PEI has found use in the Medical Device Market because of its heat and radiation resistance
- It is prone to stress cracking in chlorinated solvents.
- It is soluble in partially halogenated solvents but resistant to alcohols, acids and hydrocarbon solvents.
Polyetherimide (PEI) is an amorphous, amber-to-transparent thermoplastic with similar characteristics to PEEK's. Relative to PEEK, it is cheaper, but less temperature-resistant, and lower in impact strength. It is prone to stress cracking in chlorinated solvents. It is available under the tradename Ultem, a registered trademark of General Electric, the principal developer and manufacturer. PEI will withstand continuous temperature of 390 F under load and is rated UL 94 VO and is generally accepted by the FAA for aircraft interiors. It is soluble in partially halogenated solvents but resistant to alcohols, acids and hydrocarbon solvents. PEI has found use in the Medical Device Market because of its heat and radiation resistance, hydrolytic stability, and transparency. In the electronics field it is used in lamp sockets, and printed circuit board substrates.
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