(8) Plyurethane Dispersion for Coatings on Metal & Steel
Item
P-103
PX-105
P-120
Main properties
Low film formation temp
High toughness,

Deep drawing resistant,
Salt spray resistant,
Acid/alkali resistant,
Weather resistant.
Meiddle film formation temp
High hardness.

Good solvent resistance,
Good salt spray resistance,
Good acid/alkali resistance,
Good weather resistance.
High film formation temp
Very High hardness,

Excellent adhesion to mirror stainless steel,
Excellent solvent resistance,
Excellent salt spray resistance,
Excellent acid/alkali resistance,
Excellent weather resistance.
Solid content (%)
30
30
30
Viscosity (cps)
< 200
< 200
< 200
PH Value
7.0-9.0
7.0-9.0
7.0-9.0
Appearance of dispersion
Semi-transparent
Semi-transparent
Semi-transparent
Appearance of dried film
Transparent with high gloss
Transparent with high gloss
Transparent with high gloss
Content of organic solvent
NMP=6%
NMP=6%
0%
Salt spray resistance (hr)
> 200
> 400
> 1000
Required film forming agents
t-PNB=2%
t-PNB=3%
DMAc=6%, t-PNB=4%

Drying condition after adding

required film forming agents
80-100℃ / 3 min
100-120℃ / 3 min
180℃ / 3 min
Pencil hardness
2-3 H
3-4 H
4 H
Rub resistance to Tolune (cycle)
> 150
> 200
> 200
Rub resistance to
IPA (cycle)
> 50
> 100
> 200
Rub resistance to Alcohol(cycle)
> 50
> 100
> 200
Rub resistance to
MEK (cycle)
> 30
> 60
> 200
Gloss (60°)
> 120
> 120
> 120
Adhesion to mirror stainless steel
(Cross-Cut Test)
4B
4B
5B
 
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