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430935

Sigma-Aldrich

Poly(tetrafluoroethylene)

powder (free-flowing), 1 μm particle size

Synonym(s):
Fluorinated polymer, Fluoropolymer, PTFE
Linear Formula:
(CF2CF2)n
CAS Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23

form

powder (free-flowing)

Quality Level

particle size

1 μm

transition temp

Tm 321 °C

density

2.15 g/mL at 25 °C

SMILES string

F\C(F)=C(\F)F

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This Item
182478430943737992
form

powder (free-flowing)

form

powder

form

powder (free-flowing)

form

powder

transition temp

Tm 321 °C

transition temp

Tg 130 °C, Tm 327 °C

transition temp

Tm 321 °C

transition temp

Tm 340-345 °C

density

2.15 g/mL at 25 °C

density

2 g/mL at 25 °C

density

2.15 g/mL at 25 °C

density

-

particle size

1 μm

particle size

>40 μm

particle size

≤12 μm

particle size

200 μm

Quality Level

100

Quality Level

100

Quality Level

100

Quality Level

100

General description

Poly(tetrafluoroethylene) is a fluoropolymer that is commercially known as PTFE. Its properties include high thermal stability, excellent chemical resistance, low dielectric constant and low surface energy. It is a hydrophobic polymer that is majorly used as a protective coating on the metal surface.

Application

Inert lubricant.

Suitability

Low coefficient of friction, low critical surface energy and excellent antistick properties.

Storage Class Code

13 - Non 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

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