High purity Polyvinylidene fluoride(pvdf) powder for litium battery cathode materials
SPECIFICATIONS
Packing:100g/bag, Vacuum sealed in plastic bag
Mode: P-18
|
Technical parameter
|
Unit
|
Index
|
Testing
|
|
Shape
|
/
|
White powder
|
/
|
|
Purity
|
%
|
≥99.6
|
PVDF
|
|
Standard specific
gravity
|
/
|
1.74~1.77
|
ASTM D 792
@23/23℃
|
|
Dielectric constant
|
100MHZ
100HZ
|
4.50~5.50
8.00~9.50
|
ASTM D 150
|
|
Melting point
|
℃
|
160~168
|
ASTM D 3418
|
|
Melting indix
|
g/10min
|
1~2
|
/
|
|
Solubility
|
/
|
Transparent and
dissolvable
|
30℃, 1hr 1g/ml NMP
|
|
Rotation viscosity
|
mPa.S
|
≥2000
|
1g/ml NMP 30℃
|
|
Intrinsic viscosity
|
dL/g
|
1.0~2.0
|
DMA, 30℃
|
|
Moisture
|
%
|
≤0.1
|
Karl Fischer
|
|
Molecular weight
|
/
|
600.000
|
ASTM D 5296-05
|
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