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427179

Poly(vinylidene fluoride-co-hexafluoropropylene)

Name: Poly(vinylidene fluoride-<I>co</I>-hexafluoropropylene)
Brand: ALDRICH

average M_w ~455,000, average M_n ~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

UNSPSC Code:

12162002

PubChem Substance ID:

24866742

NACRES:

NA.23

MDL number:

MFCD00212573

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Properties

form

pellets

Quality Segment

100

melt index

3.5-7.5 g/10 min (230°C/12.5kg)

mol wt

average M_n ~110,000, average M_w ~455,000

feature

hydrophobic

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

T_m 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

InChI

1S/C3F6.C2H2F2/c4-1(2(5)6)3(7,8)9;1-2(3)4/h;1H2

InChI key

OQMIRQSWHKCKNJ-UHFFFAOYSA-N

Description

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.

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Storage Class

11 - Combustible Solids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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