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427179

Sigma-Aldrich

Poly(vinylidene fluoride-co-hexafluoropropylene)

average Mw ~455,000, average Mn ~110,000, pellets

Synonym(s):

PVDF-HFP

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About This Item

Linear Formula:
(-CH2CF2-)x[-CF2CF(CF3)-]y
CAS Number:
9011-17-0
MDL number:
MFCD00212573
UNSPSC Code:
12162002
PubChem Substance ID:
24866742
NACRES:
NA.23

form

pellets

melt index

3.5-7.5 g/10 min (230°C/12.5kg)

mol wt

average Mn ~110,000
average Mw ~455,000

impact strength

6-10 ft-lb/in. (Izod, ASTM D 256, notched)

dielectric constant

9.0-10.0, 100 Hz (ASTM D 150)

hardness

70 (Shore D, ASTM D 2240)

refractive index

n20/D 1.42

viscosity

23,000-27,000 poise(230 °C) (100 sec-1)(lit.)

transition temp

Tm 155-160 °C (ASTM D 3418)

density

1.77 g/mL at 25 °C

SMILES string

FC(F)=C.FC(F)=C(F)C(F)(F)F

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Application

Wire and cable coatings, flexible and corrosion-resistant tubing, and liners for pipes and tanks.

Features and Benefits

Excellent thermal stability, chemical and abrasion resistance, impervious to UV degradation, self-extinguishing and retains properties on aging. Improved flexibility at subzero temperatures, stress crack resistance and elongation to break over poly(vinylidene fluoride).

Physical form

Crystalline, thermoplastic copolymer.

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Nikruesong Tohluebaji et al.
Polymers, 11(11) (2019-11-07)
The poly(vinylidene fluoride-hexafluoropropylene) (P(VDF-HFP)) polymer based on electrostrictive polymers is essential in smart materials applications such as actuators, transducers, microelectromechanical systems, storage memory devices, energy harvesting, and biomedical sensors. The key factors for increasing the capability of electrostrictive materials are

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