Polyetherimide
Polymer
Polyetherimide (PEI; branded as Ultem) is an amorphous, amber-to-transparent thermoplastic with characteristics similar to the related plastic PEEK. When comparing PEI to PEEK, the former is cheaper but has lower impact strength and a tighter temperature range.
Nº Q145768 ★★
Uncommon · Knowledge
Polyetherimide
Polymer
Polyetherimide (PEI; branded as Ultem) is an amorphous, amber-to-transparent thermoplastic with characteristics similar to the related plastic PEEK. When comparing PEI to PEEK, the former is cheaper but has lower impact strength and a tighter temperature range.
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From Wikipedia
Polyetherimide (PEI; branded as Ultem) is an amorphous, amber-to-transparent thermoplastic with characteristics similar to the related plastic PEEK. When comparing PEI to PEEK, the former is cheaper but has lower impact strength and a tighter temperature range. PEI plastics were first introduced into the market by General Electric (GE) in 1982 under the trade name Ultem resulting from the work of J.G. Wirth's research team in the early 1970s. Due to its adhesive properties and chemical stability it became a popular bed material for FFF 3D printers.
Text: Wikipédia, CC BY-SA 4.0. · Image: NAS 238 WMMNO (CC0) ·
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