1. HOME
  2. Product Groups
  3. Advanced Materials
  4. KF Polymer

Polyvinylidene fluoride (PVDF)KF Polymer

If you are looking for battery binder grades, please click here.

KF Polymer‘s Line-up

We offer a diverse lineup of grades, ranging from low-molecular-weight homopolymers to high-molecular-weight polymers and copolymers. Based on molding and processing conditions as well as specific applications, we recommend a grade suited to meet your needs.

Properties
(Units)		 Test
method		 Conditions Grade
#850 #1000 #1100 #1300 #1550 #1700 #2950
Type - - Homopolymer Copolymer
Features - - Low MV Low MV Medium
MV		 High MV,
Higher
Mechanical
Properties		 High MV,
Higher
Mechanical
Properties		 Ultra high
MV,
Higher
Mechanical
Properties		 Low MV,
Low
Elution
Properties
Main molding methods Injection
Molding &
Extrusion		 Injection
Molding &
Extrusion		 Injection
Molding &
Extrusion		 Extrusion Extrusion Extrusion Extrusion
Examples of application - - Valve,
Pipe,
Film		 Valve,
Pipe,
Film,
Fiber		 Fitting,
Film,
Fiber		 Film,
Fiber		 Membrane - Pipe,
Tube
Form - - Powder,
Pellet		 Powder,
Pellet		 Powder,
Pellet		 Powder,
Pellet		 Powder Powder Pellet
Melting point
(℃)		 ASTM
D3418		 173 173 173 173 173 173 172
Melt flow rate
(g/10min)		 ASTM
D1238		 230℃,5kg 15-30 5-8 2-4 0.8-1.4 - - 4-8
230℃,21.6kg - - - 11.2 3.8 1.7 -

Physical Properties

Properties
(Units)		 Test
method		 Conditions Grade
#850 #1000 #1100 #1300 #1550 #1700 #2950
Specific gravity
(g/cm3)		 ASTM
D792		 - 1.77 - 1.79
Inherent viscosity
(dl/g)		 ISO
1628-1		 30℃,DMF 0.85 1 1.1 1.3 1.5 1.7 1.05
Refractive index ASTM
D542		 25℃ 1.42
Water absorption
(%)		 ASTM
D570		 23℃ 0.03
Melt viscosity
(Pa・s)		 ASTM
D3835		 240℃,50sec-1 1200 2200 3300 5000 - - 2700
260℃,50sec-1 - - 2500 4500 6500 8500 -
Melt flow rate
(g/10min)		 ASTM
D1238		 230℃,5kg 15-30 5-8 2-4 0.8-1.4 - - 4-8
230℃,21.6kg - - - 11.2 3.8 1.7 -

Thermal Properties

Properties
(Units)		 Test
method		 Conditions Grade
#850 #1000 #1100 #1300 #1550 #1700 #2950
Melting point
(℃)		 ASTM
D3418		 173 173 173 173 173 173 172
Crystallization point
(℃)		 ASTM
D3418		 140
Glass transition point
(℃)		 DMA method -35
Glass transition point
(℃)		 ASTM
D746		 -13 -31 -37 -47 - - -30
Vicat softening temperature
(℃)		 ISO
306		 50℃/h,10N 171 172 172 173 - - 166
Coefficient of linear expansion
(10-4K-1)		 ISO
11359-2		 RT-80℃ 1.6
Thermal conductivity
(W/m･K)		 ASTME
1530		 23℃ 0.17
Specific heat capacity
(J/g･K)		 JIS
K7123		 23℃ 1.2

Mechanical Properties

Properties
(Units)		 Test
method		 Conditions Grade
#850 #1000 #1100 #1300 #1550 #1700 #2950
Izod impact strength
(kJ/m2)		 ASTM D256
V-notched
（ISO180）		 20℃ 7.9 15 33 77 - - 14
0℃ 5 9.7 13.3 37 - - 8.2
-20℃ 3 3 3.4 11.5 - - 3
-40℃ 3 2.7 2.9 3.6 - - 2.8
Shore hardness
(D)		 ISO
868		 23℃,50N 78 78 79 78 - - 77
Tensile strength at yield
(MPa)		 ISO
527-2		 57 57 59 67 - - 54
Tensile elongation at break
(%)		 ISO
527-2		 76 28 36 25 - - 29
Tensile modulus
(MPa)		 ISO
527-2		 2510 2330 2430 2580 - - 2120
Flexural strength
(MPa)		 ISO
178		 75 74 71 70 - - 67
Flexural modulus
(MPa)		 ISO
178		 1990 1570 1500 1870 - - 1760
Compressive strength
(MPa)		 ISO
604		 76 74 71 68 - - 65
Compressive modulus
(MPa)		 ISO
604		 1700 1570 1500 2020 - - 1770
Abrasion resistance
(10-6kg)		 Taber
CS-17		 1kg,1000rev 31 31 31 31 - - 32

Electrical Properties

Properties
(Units)		 Test
method		 Conditions Grade
#850 #1000 #1100 #1300 #1550 #1700 #2950
Volume resistivity
(Ωcm)		 ASTM
D257		 DC1kV 1014-15
Surface resistance
(Ω/□)		 ASTM
D257		 DC500V >1015
Breakdown strength
(MV/m)		 ASTM
D149		 Thickness: 34μm 300
Dielectric constant ASTM
D150		 1kHz 10 10 10 10 - - 10
Dissipation factor ASTM
D150		 1kHz 0.015 0.015 0.015 0.015 - - 0.02

Flame Resistance

Properties
(Units)		 Test
method		 Conditions Grade
#850 #1000 #1100 #1300 #1550 #1700 #2950
Burning rate UL94 V-0 equivalent V-0 V-0 equivalent V-0 V-0 equivalent V-0 equivalent V-0 equivalent
Limiting oxygen index
(%)		 ISO
4589-2		 TYPE-IV 44

The product names include a raw material form code at the beginning of the grade name. Powder grade: W, Pellet grade: T.

Learn more about KF Polymer

Download Brochure

KF Polymer
(Material Applications)

Download Brochure

KF Polymer
(High Performance Binder for Electrode)

Download SDS

Safety Data Sheet(SDS)

Contact for Inquiries

KF Products Department

Request for Sample

Inquiries about Products and Technologies

For inquiries regarding the following products,
please contact the site below.

Inquiries about Piezo Film New Business Products and Marketing Department

Inquiries about Fishing Lines ＜Kureha’s Group Company＞
Kureha Gohsen Co., Ltd.

Inquiries about Films and Shaped Materials ＜Kureha’s Group Company＞
Kureha Extron Co., Ltd.

Advanced Materials TOP