Metal coating purpose
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SAP-7825
Chemical nature : Aqueous anionic dispersion of copolymer of styrene and acrylic monomers.
This product does not contain any plasticizers.
Physical form :
Milky White Liquid
Storage :
Acrylic polymer SAP-7825 has a shelf life of 12 months. The air in the headspace of bulk storage tanks
must be kept saturated with water vapor at all times
Application :
Acrylic polymer SAP-7825 has the high binding force with the inorganic pigments in Waterborne sealant or paint. It has the excellent water proof property and good adhesion with the substrates. Its main application field is elastic paint and high solid acrylic sealant for metal surface.
Technical specification :
|
|
Specification
|
Unit
|
Low limit
|
Upper limit
|
|
1
|
Non-volatile fraction (at 150°C/1hr)
|
%
|
49.0
|
51.0
|
|
2
|
pH(at 25°C)
|
|
8.0
|
10.0
|
|
3
|
Viscosity(Rvt#4, 20rpm)
|
Cps
|
300
|
1500
|
|
4
|
Specific Gravity(at 25°C)
|
g/cm
|
1.01
|
1.06
|
|
5
|
Average Particle size
|
Nm
|
80
|
200
|
|
6
|
Ionic charge
|
|
Anionic
|
|
7
|
MFFT
|
°C
|
20
|
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SAP-2332
Chemical nature : Aqueous anionic dispersion of copolymer of acrylic monomers.
Physical form :
Milky White Liquid
Storage :
Acrylic polymer SAP-2332 has a shelf life of 12 months. The air in the headspace of bulk storage tanks
must be kept saturated with water vapor at all times
Application :
Acrylic polymer SAP-2332 has the high binding force with the inorganic pigments in Waterborne paint. It has the excellent water proof property and good adhesion property with the various substrates. Its main application field is exterior gloss paint and clarity.
Technical specification :
|
|
Specification
|
Unit
|
Low limit
|
Upper limit
|
|
1
|
Non-volatile fraction (at 150°C/1hr)
|
%
|
47.0
|
49.0
|
|
2
|
pH(at 25°C)
|
|
8.0
|
10.0
|
|
3
|
Viscosity(Rvt#3, 50rpm)
|
Cps
|
100
|
1500
|
|
4
|
Specific Gravity(at 25°C)
|
g/cm
|
1.01
|
1.08
|
|
5
|
Average Particle size
|
Nm
|
100
|
200
|
|
6
|
Ionic charge
|
|
Anionic
|
|
7
|
MFFT
|
°C
|
32
|
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SAP-7521E
Chemical nature : Aqueous anionic dispersion of copolymer of styrene and acrylic monomers.
Physical form :
Milky White Liquid
Storage :
Acrylic polymer SAP-7521E has a shelf life of 12 months. The air in the headspace of bulk storage tanks
must be kept saturated with water vapor at all times
Application :
Acrylic polymer SAP-7521E has the high binding force with the inorganic pigments in Waterborne Paint. It has the excellent water proof property and good adhesion strength to the metal surface.
Technical specification :
|
|
Specification
|
Unit
|
Low limit
|
Upper limit
|
|
1
|
Non-volatile fraction (at 150°C/1hr)
|
%
|
48.0
|
50.0
|
|
2
|
pH(at 25°C)
|
|
7.0
|
9.0
|
|
3
|
Viscosity(Rvt#3, 50rpm)
|
Cps
|
200
|
2000
|
|
4
|
Specific Gravity(at 25°C)
|
g/cm
|
1.01
|
1.08
|
|
5
|
Average Particle size
|
Nm
|
70
|
150
|
|
6
|
Ionic charge
|
|
Anionic
|
|
7
|
MFFT
|
°C
|
30
|
|