Technical parameter

Unit

Index

Testing

Shape 

/

White powder

/

Purity

%

≥99.6

PVDF

Standard specific

 gravity

/

1.74~1.77

ASTM D 792

@23/23ºC

Dielectric constant

100MHZ

100HZ

4.50~5.50

8.00~9.50

ASTM D 150

Melting point

ºC

160~168

ASTM D 3418

Melting indix

g/10min

1~2

/

Solubility

/

Transparent and   

dissolvable

30ºC, 1hr 1g/ml NMP

Rotation viscosity

mPa.S

≥2000

1g/ml NMP 30ºC

Intrinsic viscosity

dL/g

1.0~2.0

DMA, 30ºC

Moisture

%

≤0.1

Karl Fischer

Molecular weight

/

600.000

ASTM D 5296-05