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Additives
Leveling Agent / Defoaming Agent / Functional Additives
● Leveling Agent
Name Chemical Type High-solids(%) solvent Properties & Applications Recommended amount
Rheoflow
LP-1050
Acrylic copolymer 50±1 Xylene Excellent flow and levelling Good prevent craters and pinholes good defoaming control effect good pick up and recoatable.
All solvent based baking ststems all solvent based no baking systems Two components(acryl/urethane, epoxy) Excellent effects in PCM coats
0.1~1.0%
Rheoflow
LP-1800(S)
Acrylic copolymer 83±3 Xylene 0.1~1.0%
Rheoflow
LP-2000
Combination of high bp
solvents
< 1.0 Alkylbenzenes/
Diisobutylketne/
Dipentene
(14/5/1)
Good prevent surface defects(craters, neddles, blisters, pin-holes, orange peel, boiling marks) lmprove levelling
All solvent based baking systems All solvent based no baking systems Chlorinated rubber paints
NC-modified paints and polyurethanes
2.0~7.0%
Rheoflow
LP-2100
Combination of high bp solvents
&
Ploydimethyl silozane
< 1.0 Alkylbenzenes/
Diisobutylketne/
(5/1)
Good prevent surface defects(craters, neddles, blisters, pin-holes, orange peel, boiling marks) lmprove levelling
All solvent based baking systems All solvent based no baking systems Chlorinated rubber paints
NC-modified paints and polyurethanes
2.0~5.0%
Rheoflow
LP-2700
Acrylic
copolymer
75±1 - Very good flow and leveliing prop-erties
Prevent cratering, pinholes, fish eyes and another surface defects Good compatibility with other resins
Good film appearance and recoat-able properties
Coil coatings All solvent based baking systems All solvent based no baking systems
0.1~0.5%
Rheoflow
LP-4200
Acrylic copolymer 50±1 Xylene Excellent flow and levelling Good prevent craters and pinholes good defoaming control effect good pick up and recoatable.
All solvent based baking ststems all solvent based no baking systems Two components(acryl/urethane, epoxy) Excellent effects in PCM coats
0.1~1.0%
Rheoflow
LP-4500
Acrylic copolymer > 98.5 - 0.1~0.5%
Rheoflow
LP-5400
Acrylic copolymer 51±1 Alkylbenzenes/
Diisobutylketne/
(9/1)
Improves levelling
Prevents cratering
Helps substrate wetting
Acts as a defoamer and de-aeration aid
Dose not interfare with intercoat ad-hesion
Solvent-borne coatings recommended
Polyurethane coatings
Two-fack epoxy compounds
Air-dried alkyd systems
Especially suitable for stoving enamels based on Acrylics, Alkyd, Polyester resins
0.1~1.5%
Rheoflow
LP-5500
Acrylic copolymer 52±1 Methoxypropyl
acetate
Excellent flow and levelling
Good prevent craters and pinholes
Good defoaming control effect
Good pick up and recoatable.
Allsolvent based baking systems
All solvent based no baking systems
Two components(acryl/urethane,epoxy)
Excellent effects in PCM coats
0.1~1.5%
Rheoflow
LP-5800
Acrylic copolymer 52±1 Alkybenzenes Excellent flow and levelling proper-ties
Good prevent cratering and pin-hole
Improve gloss. thermally stable
Don not negatively influence re-coatability or intercoat adhsion
All solvent based baking systems
All solvent based no baking systems
Two components(acryl/urethane, epoxy)
Excellent effects in OEM coats
0.1~1.5%
● Defoaming Ahent
Name Chemical Type High-solids(%) solvent Properties & Applications Recommended dose and method mix
Rheoflow
AF-550
Acrylic copolymer 30±1 Mimeral spirits/
Toluene
Excellent defoaming
Consistent effects at low temp
Good recoatable
All solvent based baking systems
All solvent based no baking systems
Two components(acryl/urethane,epoxy)
0.2~1.0%
(Before dispersing)
Rheoflow
AF-630
Sulution of foam
destroying polysiloxanes
< 2.5 Diisobutylketone/
hexafluor Xylene
Excellent deaerating power during paint manufacturing and mixing process
Excellent defaoaming control effect on coat-ings
Intercoat adhesion and transparency are not negatively influenced
Preferred binders are chlorinated rubber,epoxies,two-pack polyurethane systems,alkyd/melamine, alkyds, and self-crosslinking acrylates, air drying systems based on acrylic,vinyl or chlorinated poly-mers
0.05~0.7%
(At disperse process)
Rheoflow
AF-660
Sulution of foam
destroying polysiloxanes
< 1.0 Diisobutylketone 0.1~0.7%
(At disperse process)
Rheoflow
AF-770
Acrylic copolymer 30±1 Mimeral spirits/
Toluene
Excellent defoaming
Consistent effects at low temp
Good recoatable
All solvent based baking systems
All solvent based no baking systems
Two components(acryl/urethane,epoxy)
0.2~1.0%
(Before dispersing)
Rheoflow
AF-800
Acrylic copolymer 30±1 Mimeral spirits/
Toluene
0.2~1.0%
(Before dispersing)
● Wetting & Dispersing Agent
Name Chemical Type Solid(%) solvent Acid value
(mg KOH/g)
Amine
(mg KOH/g)
Properties & Applications Recommended amount
Rheoflow
DS-104
Unsaturated
polycarboxylic
acid polymer
50±2 Xylene/
Diisobutyl/
ketone(9/1)
180±10 - Prevent cratring, pinholes, fish eyes
Excellent deaerating
Good film appearance
Industrial coatings
Architectural coatings
Coil coatings
Inorganic Pigments : 3~10%
Organic pigments : 10~20%
TiO2 : 0.5~2.5%
Rheoflow
DS-105
Unsaturated
polycarboxylic
acid polymer and
a polysiloxane
copolymer
50±2 Xylene/
Diisobutyl/
ketone(9/1)
150±10 - excellent effective in preventing flooding of titanium dioxide in combination with other color pigments
Using in anti-corrosion primers and coating systems, in many cases the protective properties are enhanced
Solvent based coatings
   - Vinyls, Acrylics, Epoxies, Urethanes, Alkyds
   - Epoxy heavy duty paint and floor coat-ings based on Urethane or Epoxies
   - Industrial and architectural coatings
Inorganic Pigments : 3~10%
Organic pigments : 10~20%
TiO2 : 0.5~2.5%
Rheoflow
DS-108
Hydroxy functional
carboxylic acid
ester with pigment
affinic group
>97 - - Enhance leveling, gloss, transnparency and concealment force.
- High concentration coloring.
- Industrial coating.
- Architectural coating.
Inorganic Pigments : 3~10%
Organic pigments : 10~20%
TiO2 : 0.5~2.5%
Rheoflow
DS-110
Solution of a
copolymer with
acidic group
52±2 28±5 - Excellent effective in decreasing viscosity.
- Anionic. Suitable for acid-catalyst system.
- Decrease haze of inorganic pigment paints.
- Coil coating.
- Industrial coating.
- Automotive coating.
Inorganic Pigments : 3~10%
Organic pigments : 10~20%
TiO2 : 0.5~2.5%
Rheoflow
DS-330
Alkyl ammonium
saltt of a
polycarboxylic acid
50±2 Alkyl
benzene
51±5 51±5 Excellent deaeraing power during paint manufacturing & mixing process
Excellent defoaming control effect
All solvent based coatings
   - Vinyls, Acrylics, Epoxies, Urethanes High viscosity coatings
Inorganic Pigments : 1~2%
TiO2/Extenders: : 0.5~1%
Bentonite : 30~50%
Rheoflow
DS-340
Polycarboxylic
acid salt of
polyamine amides
52±2 Methoxy
propaneol/
Alkyl
benzene(3/2)
41±5 37±5 Can additionally be used in non-polar systems and is compatible with white spirits
The lower the polarity the more the thixotropy is increased
Even in ,,'low-filled' systems, the sag-ging tendency is reduced
Anticorrosion primers, the protective properties are enhanced
All solvent based coatings
   - Vinyls, Acrylics, Epoxies, Urethanes High viscosity coatings
Inorganic Pigments : 1~2%
TiO2/Extenders: : 0.5~1%
Bentonite : 30~50%
Rheoflow
DS-360
Salt of unsaturated
polyamine amides
and acidic polyesters
50±2 Xylene/
Isobutanol(8/2)
24±5 19±5 Reduced dispersion time
Stabilization of the pigment dispersion
Decreased pigment sedimentaion
Increased gloss and improved flow
Shorter dispersion time
Improved storage stability
Architectural coatings recommended
Industrial coatings recommended
Furniture coatings recommended
Bentonite pastes recommended
Inorganic Pigments : 1~2%
TiO2 : 0.5~1%
Organic pigments : 1~5%
Bentonite : 30~50%
Rheoflow
DS-361
High molecular weight
block copolymers with
pigment affinic groups
30±2 Methoxy
propyl
acetate/
Butylacetate
(6/1)
- 11±5 Deflocculate pigments through steric stabi-lization of the pigments
High gloss is achieved and color strength improved
Transparency of transparent igments and hiding power of opaque pigments are ireduce
Viscosity, subsequently, leveling is improved and higher pigment loading is possible ncreased Industrial coatings
Automotive OEM& refinish coatings
Coil coatings
Inorganic Pigments : 10~15%
TiO2 : 5~6%
Organic pigments : 30~90%
Carbon black : 90~140%
Rheoflow
DS-363
High molecular weight
block copolymers with
pigment affinic groups
45±2 Xylene/
butylacetate/
Methosy propyl
acetate(3/1/1)
- 10±5 Deflocculate pigments through steric stabi-lization of the pigments
High gloss is achieved and color strength improved
Transparency of transparent igments and hiding power of opaque pigments are ireduce
Viscosity, subsequently, leveling is improved and higher pigment loading is possible ncreased
Industrial coatings
Automotive OEM & refinish coatings
Coil coatings. Wood coatings
Architectural coatings, Pigment concen-trates
Inorganic Pigments : 15~20%
TiO2 : 4~5%
Organic pigments : 30~60%
Carbon black : 80~100%
Rheoflow
DS-370
High molecular weight
block copolymers with
pigment affinic groups
30±2 Methoxy
propyl
acetate/
Butylacetate
(6/1)
11±1 - Excellent stabilization of inorganic and or-ganic pigments
   - acid-catalyzed polyester/melamine top-coats
Automotive OEM coatings
Inorganic Pigments : 10~20%
TiO2 : 5~6%
Organic pigments : 35~70%
Carbon black : 70~140%
Rheoflow
DS-376
Alkylammonium salt of
a high molecular weight
copoymer
96±2 38±5 44±5 Deflocculate pigments through steric,stabi-lization of the pigments
High gloss is achieved and color strength improved Transparncy of transpartent pig-ments and hiding power of opaque pig-ments are induve. Viscosity, subsquently,leveling is improved and higher pigment loading is possible ncreased
Stabilizing acidic and netral carbon black pigments
Pigment concentrates
   - in polyols    - in plasticizers    - in unsaturated polyesters
   - in epoxy
Inorganic Pigments : 5~10%
TiO2 : 5~6%
Organic pigments : 10~25%
Carbon black : 15~50%
Rheoflow
DS-390
High molecular weight
block mopolymers with
pigment affimic groups
40±2 Due to the small paricle sizes of the defloc-culated pigments high gloss is achieved and color strebnth improved
Transparency and hiding power are in-creased
Reduce viscosity, subsequenfly, leveling is improved and higher pigment loading is possible
Does not contain organic, solvents and therefore is only suitable for aqueous sys-tems
   - Aqueous pigment concentrates
   - Architectural coatings
   - Industrial coatings
   - Automotive coatings
   - Wood and furniture coatings
   - Protective coatings
   - Printing lnks
Inorganic Pigments : 20~30%
TiO2 : 10~15%
Organic pigments : 35~75%
Carbon black : 120~150%
Rheoflow
DS-425
Modified acrylic
copolymer
80±2 - - Rapid degassing after manufacture of paints & putties
Excellent wetting & dispersing
Good flow & levelling properties
Polyeseter putties
UV-curing coating systems
All solvent based coataing
Pigments : 0.2~1.5%
Non-pigments : 0.5~5.0%
Rheoflow
DS-540
Ammonium salt of
an acrylate copolymer
42±2 Water - - Increases gloss and reduces viscosity
Probides good storage stability for the sys-tem
Water based coataing    - Urethane, acrylic, epoxy, Polyester,akyd etc
   - Water based any other coating
Inorganic Pigments : 2.0~10.0%
Pigments:0.5~1.0%
TiO2 : 1.5~2.0%
● Water-based paint additives
Name Chemical Type Solid(%) solvent Properties & Applications Recommended amount
Mixed methods
Rheoflow
DW-104
2,4,7,9- Tetramethyl-
8-decyne-
4,7-diol
100 - - Top performance non-ionic surface-active agent with strong pigment dispersion.
- Perfect low foaming and appropriate anti-foaming.
- Waterborne wood coating.
- Printing ink.
- Pressure sensitive adhesive.
- Borne Leather chemicals.
-
Rheoflow
ACW-4040
Modified acrylic copolymer 40±2 Water Excellent anti-cratering power
Good flow & levelling properties
Excellent wetting and dispersing effect of filler and pigments
Good film appearance and re-coatable properties.
ED-paints
   - Anionic & cationic coatings Water based coatings
   - Urethane, acrylic, epoxy, polyester,alkyd etc
   - Water based any other coatings & inks
2.0~8.0%
(Before dispersing)
● Anti-Sagging & Anti-Setting Agent
Name Form Chemical types Features Applications
Rheoflow SCR150KB-50 Liquid Urea-modified acrylic resin Excellent sagging limits
Good chemical & solvent re-sistance
Automotice OEM solid colour top-coats & refinish paints
Rheoflow SCR430BX-40 Liquid Urea-modified acrylic resin Excellent metalic effect
Good compatibility with CAB
Automotive OEM metalic base coats for wet-on-wet application
Rheoflow SCR800KX-50 Liquid Urea-modified Polyester resin Good metalic effect & sag-ging limits
Good adhesion & flexbility
Automotive middle coats
Automotive OEM metalic base coats
Rheoflow SCR829KX-50 Liquid Excellent filing power & gloss
Good chemical & chip resist-ance
Automotive OEM clear coats & solid colour top coats & middle coats
Rheoflow ASA410DM-50 Liquid Urea-modified solution Strong thixotropic behaviour
Excellent anti-setting & seg-ging effect
Mainly used in medium polar systems
Industrial and traffic coating
Zinc-rich related coatings
● Blocked Isocyante
Name Chemical Type Solid(%) solvent Properties & Applications Other
Hiblock
BI-175
Blocked aliphatic polyisocyanate 75±2 Aromatic 100
(Kocosol#100)
Fast cure & lower cure temperature
Good flexibility and ad-hesion
Good chip resistance and mechanical proper-ties
Excellent weather sta-bility
One component baking systems with hydroxyl fuctional coreactants
   - Alktds, Acrylics, Polyesters, Polyurethane and Epoxiestec and automotive coatings etc
Coil coatings, can coatings, general industrial coatings, appliances and automotive coatings etc
The cure time and temperature required are dependent upon the choice of coreactant and catalysis
Blocked NCO :
Approx 11.2%
Hiblock
BI-180
Blocked aliphatic
polyisocyanate
75±2 PMA/
Aromatic 100
(Kocosol#100)
(8/17)
Fast cure & lower cure temperature
Good flexibility and ad-hesion
Good chip resistance and mechanical proper-ties
Excellent weather sta-bility
One component baking systems with hydroxyl fuctional coreactants
   - Alktds, Acrylics, Polyesters, Polyurethane and Epoxiestec and automotive coatings etc
Automotive top coatings, Coil coatings, can coatings, general undus-trial coatings
The cure time and temperature required are dependent upon the choice of coreactant and catalysis
Blocked NCO :
Approx 10.5%
● Curing Agent
Name Chemical Type Solid(%) solvent Properties & Applications Recommended amount
Hicure
AC-100
Amine salt of alkybenzene
sulfonic acid
37~39
(Active ingredients)
n-Butanol/
Butyl cellosolve
Fast cure & lower cure temperatures
Excellent hardness, gloss
Good mechanical properties
Good solubility with resins and solvents
Excellent control popping & blistering
PCM(coil), automotive, can coating
All solvent basec baking system
   - Alkyds, Acrlics, Polyesters and Epox-ies with amino crosslinging agents in-clude Melamines, Ureas, Glucolurils and Benzoguanamines
2.0~5.0%
Hicure
AC-140
Amine salt of alkybenzene
sulfonic acid
46.8~48.8 Xylene/
MIBK
0.5~2.0%
● Dispersing ahent for PVC Plasticsols
Name Chemical Type Solid(%) Solvent Properties & Applications Recommended amount
Rheoflow
VIS-740
Neutral wetting
and dispersing
component.(Solids 20%)
105℃ Mix Reduces viscosity of inorganic pig-ments & fillers
Allows a higher pigment loading
Improves color strength and shortens dispersion time
Has a very low yield point for improved flow and levelling
PVC plastisols
   - Highly filled, Low/Unfilled
   - Foamed, Pigmented
Rheoflow VIS-750
1.0~7.5%/ PVC resin
(Add at plastic sol process)
● Adhesion Promoter for Metal substrates
Name Chemical Type Solid(%) Solvent Properties & Applications Recommended amount
Rheoflow
ADH-630
Free acid of complex
carboxyl phosphate ester
56% - Dramatic synergistic effect against corrosion when combined with zincphosphate.
- Improves adhesion of coatings onto metal substrates.
- Incorporates easily.
- Can be used in waterborne coatings.
- Does not adversely impact storage stability.
- Enhances corrosion resistance.
- Coil coatings.
- Industrial coatings.
- Thermosetting alkyds.
- Thermosetting acrylics.
- Thermosetting polyesters.
- Lacquers.
Yuwon Intec.,Ltd, Cheong Woo B/D 4F, Gumjeong-Dong #177-1, Gunpo-Si, Kyungi-Do, Korea.
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