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Zheflon® FL2000 PVDF - Lithium battery Binders Grade

Zheflon® FL2000 PVDF - Lithium battery Binders Grade

Zheflon® FL2000 PVDF - Lithium battery Binders Grade
Zheflon® FL2000 PVDF - Lithium battery Binders GradeZheflon® FL2000 PVDF - Lithium battery Binders Grade
CategoriesPVDF for Li-batteries
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BrandFlurine
ModelFL2000
FeaturesHomopolymer, ultra high viscosity
UsesLithium battery binders
FormsWhite powder
Update Time2019-10-15
Detail Information

Zheflon®FL2000 PVDF homopolymer is an ultra high viscosity grade that gives the best adhesion ideal for its usage in lithium batteries. The high purity and crystallinity levels are the guarantee for high resistance in typical electrolytes used in lithium batteries

General

Features

Homopolymer, ultra high viscosity

Uses

Lithium battery binders

Forms

White powder

Items

Typical Value

Test Method

FL2000-1

FL2000-2

Physical Properties

Densityg/cc

1.77~1.79

1.77~1.79

ASTM D792

Particle sizeμm)(D50

70

70

ISO 22412

Water Absorption(%)(Time 24 hr)

≤0.10

≤0.10

ISO 62

Dissolution properties

Rotational viscosity(cps)

8000-12000

 

1gPVDF:10gNMP,#3spindle,25℃

Rotational viscosity(cps)

 

8000-16000

0.8gPVDF:10gNMP,#3spindle,25℃

Molecular properties

Molecular weightDa

1,000,000~1,250,000

1,500,000~2,000,000

GPC,DMF,ISO 16014

Intrinsic viscositydl/g

3.0~3.3

3.8~4.5

30,DMAC

Molecular weight distribution

1.8-2.5

1.8-2.5

GPC,DMF,ISO 16014

Thermal Properties

Melting Point(℃)

169~173

169~173

ASTM D3418

Crystallization Temperature(DSC peak)

137~144

137~144

ASTM D3418

Glass Transition Temp, Tg(℃)

-40.0

-40.0

ASTM E1356

Decomposition Temperature(℃)

375

375

1% wt. loss / in air

Crystallization Heat(J/g)

50.0~56.0

50.0~56.0

ASTM D3417

Heat of Fusion(J/g)

55.0~66.0

55.0~66.0

ASTM D3417

Electrical Properties

Surface Resistance(ohm)

≥1.00E+14

≥1.00E+14

Voltage<1V

After 2 min—500V

ASTM D257

Electrical Resistivity(ohm·cm)

≥1.00E+14

≥1.00E+14

Intensity=10mA

After 2 min@23

ASTM D257


1.PVDF should be processed under 260℃,to avoid producing toxic gases;

2.PVDF has good fire resistance and smoke inhibition property, however, when meets with fire, it will release toxic hydrogen fluoride gas and fluorocarbon compounds;

3.Operators should take good care of personal protection during the use procedure and processing.

25 kg packages can be provided. PVDF is packed in PE plastic bag and then put into a hard cardboard drum. It must be stored in clean, cool, dry place.

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