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ZEFFLE GK Series

ZEFFLE GK is a high performance cost effective fluorobased resin and modifiers system offering outstanding weatherability, easy to clean function and application flexibility for the most demanding buildings and parts.

GRADES & FEATURES

GRADES APPLICATIONS DOWNLOAD
GK-570

ZEFFLE GK series is used for applications such as weather resistant paints and film coatings.

Heavy duty

Coilcoat

Postcoat(extrusion)

Field applications

Concrete

Photovoltaic backsheet

TECHNICAL DATA SHEET


FEATURES GK-570

Solvent *1

n-BA

F content (mass%)

26

OHV (mg KOH/g)

63

AcidV (mg KOH/g)

3-4

Viscosity (B-type)(mPa・s)(25℃) 1,400
Specific gravity (20℃/liquid) 1.10

Specific gravity (20℃/solid)

(Calculated value)

1.22
Molecular weight 30,000
Tg(℃) 33
Wether resistance (Yellowing)
(Florida exposure test 5 years later)
(Δb /Clear)
0.99
Gloss (60°/white) 75-80
Refractive index (25℃, refractometer) (liquid) 1.42

Pencil hardness (white)

(Isocyanate curing agent)

F
Film strength
(MPa)
Curing agent A
(TPA100)
53
Curing agent B
(TSE100)
20
Film elasitcity
(%)
Curing agent A
(TPA100)
7
Curing agent B
(TSE100)
123

Chemical resistance *2

Acid
50% HNO3
---
Acid
10% H2SO4
A
Alkali
10% NaOH
A
Solvent resistance *2 MEK
100 times
A
Removability of permanent marker *2 Red B
Blue A
Black A
Volume resistivity
(Ω・cm)  (Clear) 
Isocyanate curing agent
(N3300)
2.24E+14

*1  n-BA: n-Butyl acetate / SN: Solvent naphtha / MS: Mineral spirit

*2: A:excellent/ B:fair / C:poor

All values are representative and not guaranteed.