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Key Documents

Safety Information

427276

Sigma-Aldrich

Poly[1,4-benzenedicarbonyl-alt-bis(4-phenoxyphenyl)methanone]

melt index 200 g/10 min (400°C/10kg, ISO 1311)

Synonym(s):

PAEK (polyaryletherketone)

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About This Item

Linear Formula:
(C6H4OC6H4COC6H4OC6H4COC6H4CO)n
CAS Number:
55088-54-5
MDL number:
MFCD00212532
UNSPSC Code:
12162002
NACRES:
NA.23

form

pellets

melt index

200 g/10 min (400°C/10kg, ISO 1311)

viscosity

100, 5 g/L in concentrated sulfuric acid(25 °C)(lit.)

mp

364 °C

transition temp

Tg 158 °C (DSC)
softening point >240 °C (Vicat)

density

1.3 g/mL at 25 °C (lit.)

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Application

Functional parts for household appliances, automotive and precision engineered components and general applications requiring high temperature and chemical resistance.

Features and Benefits

Favorable tribological and dielectric properties. Extreme resistance to hydrolysis and little tendency to stress crack.

Physical form

Semicrystalline thermoplastic

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
00631KG

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