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Characteristics

Physical properties

Unit

Specification

ASTM Test standard

Appearance

--

White powder

--

Density

g/cm3

1.741.77

ASTM D792, @23/23

Solubility

--

Solution clear and transparent, no impurities

301hour

Rotation Viscosity

mpa.s

≥200

1g/10ml NMP,30

Intrinsic Viscosity

dl/g

1.0-2.0

DMA,300C

Water absorption

%

≤0.10

Karl Fisher

Mechanical properties

 

 

 

Tensile yield strength

Mpa

--

 

Yield elongation

%

--

ASTM D638

Tensile strength

Mpa

--

50mm/min@23

Elongation at break

%

--

 

Hardness

Shore D

--

 

Thermal properties

 

 

 

Melting point

158-168

ASTM D3418, 10/min

Crystallizing heat

140

ASTM D746A

Brittleness temperature

 0-10

 

Molding shrinkage

%

2-3

 

Electrical properties

 

 

 

Surface resistivity

Ohm/square

≥1.1014

ASTM D257/Din 53483

Volume resistivity

Ohm.cm

≥1.1014

ASTM D257/Din 53483

Process safety instructions

1.                     This product should be processed under 370,to avoid producing toxic gases;

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

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

Package and storage

25 kg and 250 kg packages can be provided. PVDF is packed in double layer of polyethylene plastic bag and then         put into a hard cardboard drum. It must be stored in clean, cool, dry place.