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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 DOWNLOADS Applications
Field applications Coilcoat

Postcoat

(extrusion)

Concrete

Heavy

duty

Film

coating

GK-500 TECHNICAL DATA SHEET
GK-510 TECHNICAL DATA SHEET
GK-570 TECHNICAL DATA SHEET
GK-580 TECHNICAL DATA SHEET
GK-581 TECHNICAL DATA SHEET


FEATURES

GK-500

GK-510

GK-570 GK-580 GK-581

Solvent *1

n-BA

n-BA

n-BA

MS

MS

F content (mass%)

35

35

26

20

20
OHV (mg KOH/g)

60

60

63

42

42
AcidV (mg KOH/g) 1

9-10

3-4

0

0
Viscosity (B-type)(mPa・s)(25℃)

3,700 

780 1,400 350 4,000
Specific gravity (20℃/liquid) 1.12  1.06 1.10 0.96 0.99

Specific gravity (20℃/solid)

(Calculated value)

1.28 1.24 1.22 1.30 1.10
Molecular weight 40,000 40,000 30,000 25,000 25,000
Tg(℃) 33 33 33 33 33
Wether resistance (Yellowing)
(Florida exposure test 5 years later)
(Δb /Clear)
0.1 0.17 0.99 0.34 ---
Gloss (60°/white) 70-75 70-75 75-80 80-85 80-85
Refractive index (25℃, refractometer) (liquid) 1.41 1.41 1.42

1.45

1.45

Pencil hardness (white)

(Isocyanate curing agent)

F F F F F
Film strength
(MPa)
Curing agent A
(TDA100)
51 55 53 55 ---
Curing agent B
(TSE100)
21 26 20 19 ---
Film elasitcity
(%)
Curing agent A
(TDA100)
7 7 7 7 ---
Curing agent B
(TSE100)
108 140 123 132 ---

Chemical resistance *2

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

2.52E+14

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.