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427152

Sigma-Aldrich

Poly(vinylidene fluoride)

average Mw ~180,000 by GPC, average Mn ~71,000, beads or pellets

Synonym(s):
PVDF
Linear Formula:
(CH2CF2)n
CAS Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23

vapor pressure

15 mmHg ( 32 °C)

form

beads or pellets

melt index

20-35 g/10 min (230°C/3.8kg)

mol wt

average Mn ~71,000
average Mw ~180,000 by GPC

impact strength

2-4 ft-lb/in. (Izod, ASTM D 256, notched)

dielectric constant

8.0-9.5, 100 Hz (ASTM D 150)

hardness

76-80 (Shore D, ASTM D 2240)

refractive index

n20/D 1.42

ASTM D 3835

6,000-7,500 poise(230 °C) (100 sec-1)(lit.)

transition temp

brittleness temperature -62 °C (ASTM D 746)
Tm 155-165 °C

solubility

some polar solvents such as organic esters and amines: soluble

density

1.78 g/mL at 25 °C

SMILES string

FC(F)=C

InChI

1S/C2H2F2/c1-2(3)4/h1H2

InChI key

BQCIDUSAKPWEOX-UHFFFAOYSA-N

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This Item
427144347078182702
form

beads or pellets

form

pellets

form

pellets

form

powder

refractive index

n20/D 1.42

refractive index

n20/D 1.42

refractive index

-

refractive index

n20/D 1.42

transition temp

brittleness temperature -62 °C (ASTM D 746), Tm 155-165 °C

transition temp

brittleness temperature -62 °C (ASTM D 746), Tm 166-170 °C (ASTM D 3418)

transition temp

-

transition temp

Tg −38 °C, Tm 171 °C

density

1.78 g/mL at 25 °C

density

1.78 g/mL at 25 °C

density

-

density

1.74 g/mL at 25 °C

vapor pressure

15 mmHg ( 32 °C)

vapor pressure

15 mmHg ( 32 °C)

vapor pressure

15 mmHg ( 32 °C)

vapor pressure

15 mmHg ( 32 °C)

melt index

20-35 g/10 min (230°C/3.8kg)

melt index

7-20 g/10 min (230°C/12.5kg)

melt index

-

melt index

-

Application

Coatings, film, filter cloth, instrument linings, filtration membranes, pump parts and linings and valves.

Features and Benefits

Crystallizes in at least 3 forms, depending on crystallization conditions. High mechanical strength,abrasion resistance and dielectric strength. Resists most chemicals, UV radiation, weathering and fungi.

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

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