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Catalog of brand-name surfactants and chemical additives for industrial applications

BYK additives for coatings and construction chemicals

BYK wetting and dispersing additives, defoamers, surface additives and rheology modifiers for coatings, printing inks and construction formulations, with product matching, document support and international supply service.

Selection of Chemical Product Brand

Total in catalog: 44 of product

BYK — additives for coatings, paints, and construction chemicals

ProductBrandCategoryKey IndicatorsKey properties
DISPERBYK-2013 BYK Wetting and dispersing additives Density (20 °C): 1.10 g/ml; non-volatile matter (30 min, 150 °C): >97.0%; flash point: >150 °C; acid value: 8 mg KOH/g; amine value: 18 mg KOH/g Provides excellent viscosity reduction and stabilization, noticeably improves the optical properties of the coating.
DISPERBYK-2152 BYK Wetting and dispersing additives Density (20 °C): 1.08 g/cm³; non-volatile matter (10 min, 150 °C): 100% Exhibits high wetting and dispersing efficiency, significantly reduces system viscosity, and stabilizes a wide range of solid particles.
DISPERBYK-2290 BYK Wetting and dispersing additives Appearance: viscous liquid; density (20 °C): 1.12 g/ml; non-volatile matter (30 min, 150 °C): 100%; flash point: >150 °C Improves the environmental friendliness and processability of the formulation, enhances system uniformity and application stability.
DISPERBYK-2291 BYK Wetting and dispersing additives Bulk density: 550-750 kg/m³; water content: max. 10%; form of supply: white free-flowing powder; miscibility: compatible with water and construction systems Provides environmental friendliness, leveling, and long-term storage stability, with no negative effect on curing.
BYK-1680 BYK Defoamers Active Matter: 100%; density (20 °C): 1.04 g/ml; flash point: >150 °C; pH: 4-7; form of supply: clear liquid; miscibility: miscible with water and concrete plasticizers Good water solubility and compatibility; provides long-lasting defoaming and noticeably improves system flowability.
BYK-1692 SD BYK Defoamers Bulk density: 450-650 kg/m³; carrier: inorganic; form of supply: powder Low VOC content, high defoaming efficiency and improved film surface appearance.
BYK-1693 SD BYK Defoamers Bulk density: 250-450 kg/m³; carrier: inorganic; biobased carbon (ASTM D6866): 54%; color: white; form of supply: powder Highly effective at suppressing foam, increasing system density and mechanical strength, and improving surface properties.
BYK-1748 BYK Defoamers Density (20 °C): 0.89 g/cm³; non-volatile matter (10 min, 150 °C): 100%; flash point: >100 °C; biobased carbon (ASTM D6866): 73% Provides strong defoaming and high transparency, does not impair the surface, has good storage stability and environmental profile.
BYK-1754 BYK Defoamers Density (20 °C): 0.80 g/ml; non-volatile matter (10 min, 150 °C): 20%; solvent: dearomatized solvent; flash point: 37 °C Effectively suppresses foaming and air entrainment in solvent-based printing inks, rapidly defoams, does not impair interlayer adhesion, and improves leveling.
BYK-1755 BYK Defoamers Density (20 °C): 0.77 g/ml; non-volatile matter (10 min, 150 °C): 20%; solvent: dearomatized solvent; flash point: 42 °C Effectively suppresses foaming and air entrainment in solvent-based printing inks, rapidly defoams, does not impair interlayer adhesion, and improves leveling.
BYK-1765 BYK Defoamers Density (20 °C): 0.99 g/ml; active matter: 100%; flash point: 100 °C; appearance: colorless clear liquid It exhibits high defoaming efficiency in thick-layer systems, improves surface appearance, and is free of silicones, fluorinated substances, and solvents.
BYK-1810 BYK Defoamers Density (20 °C): 0.88 g/ml; non-volatile matter (10 min, 150 °C): 0.90%; solvent: butyl acetate; flash point: 26 °C Broad defoaming spectrum; effectively eliminates pinholes, reduces surface tension, improves wetting and surface appearance.
BYK-1811 BYK Defoamers Density (20 °C): 0.89 g/ml; non-volatile matter (10 min, 150 °C): 9.90%; solvent: butyl acetate; flash point: 25 °C Broad defoaming spectrum; effectively eliminates pinholes, reduces surface tension, improves wetting and surface appearance.
BYK-1815 BYK Defoamers Density (20 °C): 0.89 g/ml; non-volatile matter (10 min, 150 °C): 10%; solvent: butyl acetate; flash point: 26 °C Broad defoaming spectrum; effectively eliminates pinholes, reduces surface tension, improves wetting and surface appearance.
BYK-1816 BYK Defoamers Density (20 °C): 0.89 g/ml; non-volatile matter (10 min, 150 °C): 10%; solvent: butyl acetate; flash point: 26 °C Broad defoaming spectrum; effectively eliminates pinholes, reduces surface tension, improves wetting and surface appearance.
BYK-1818 BYK Defoamers Density (20 °C): 0.88 g/ml; non-volatile matter (10 min, 150 °C): 1%; solvent: butyl acetate; flash point: 26 °C Broad defoaming spectrum; effectively eliminates pinholes, reduces surface tension, improves wetting and surface appearance.
BYK-1851 BYK Defoamers Density (20 °C): 0.80 g/ml; non-volatile matter (10 min, 150 °C): 20%; solvent: dearomatized solvent; flash point: 37 °C Fast and versatile defoaming; silicone-free and aromatic solvent-free, ensures good leveling and defect-free surface.
BYK-1852 BYK Defoamers Density (20 °C): 0.77 g/ml; non-volatile matter (10 min, 150 °C): 20%; solvent: dearomatized solvent; flash point: 42 °C Fast and versatile defoaming; silicone-free and aromatic solvent-free, ensures good leveling and defect-free surface.
BYK-1856 BYK Defoamers Density (20 °C): 0.89 g/ml; non-volatile matter (10 min, 150 °C): 20%; solvent: ethyl butyrate / ethyl 3-methoxypropionate; flash point: 27 °C Strong and rapid defoaming/deaeration, excellent compatibility and low viscosity; contains no silicones or aromatic solvents.
BYK-1880 BYK Defoamers Density (20 °C): 0.99 g/cm³; active matter: 100%; flash point: 93 °C; form of supply: liquid Particularly effective at eliminating microbubbles during airless spraying, compatible with various film thicknesses and gloss levels, without impairing coating properties.
BYK-314 BYK Surface Additives Density (20 °C): 1.03 g/ml; non-volatile matter (30 min, 150 °C): 15%; solvent: PMA / phenylglycol 1.4/1; flash point: 45 °C Very low residual cyclic siloxane content.
BYK-3765 BYK Surface Additives Density (20 °C): 1.01 g/ml; non-volatile matter (30 min, 150 °C): 11.50%; solvent: PMA / phenylglycol 3.3/1; flash point: 50 °C Very low residual cyclic siloxane content.
BYK-3772 BYK Surface Additives Density (20 °C): 0.99 g/ml; non-volatile matter (10 min, 150 °C): 25%; solvent: PMA / phenylglycol 93/7; flash point: 45 °C; hydroxyl value: approx. 30 mg KOH/g Very low residual cyclic siloxane content.
BYK-UV 3511 BYK Surface Additives Density (20 °C): 1.03 g/ml; active matter: 100%; refractive index (20 °C): 1.435 Very low residual cyclic siloxane content.
BYK-379 BYK Surface Additives Density (20 °C): 1.02 g/ml; active matter: 100%; flash point: >100 °C Strongly reduces dynamic and static surface tension, improves wetting, leveling, and surface properties, with very low foam stabilization.
BYK-3483 BYK Surface Additives Density (20 °C): 1.03 g/ml; active matter: 100%; flash point: >100 °C Provides excellent substrate wetting and leveling, reduces surface tension, eliminates craters and pinholes, has good compatibility and dirt-repellent effect.
BYK-SILCLEAN 3725 BYK Surface Additives Density (20 °C): 0.97 g/cm³; non-volatile matter (10 min, 150 °C): 25%; solvent: dipropylene glycol monomethyl ether; flash point: 78 °C; hydroxyl value: 27 mg KOH/g; form of delivery: liquid PFAS-free, low cyclic siloxane content; imparts long-lasting hydro- and oleophobicity, easy cleaning and anti-adhesion properties, improves wetting, leveling, and slip.
BYK-UV 3590 BYK Surface Additives Density (20 °C): 0.98 g/ml; active matter: 100%; refractive index (20 °C): 1.411 Characterized by a strong release effect, high slip, and self-leveling on the surface; additionally contributes to defoaming and improves flow in non-aqueous UV-curable printing systems.
BYK-UV 3595 BYK Surface Additives Density (20 °C): 1.01 g/ml; active matter: 100%; refractive index (20 °C): 1.426 Characterized by a strong release effect, high slip, and self-leveling on the surface; additionally contributes to defoaming and improves flow in non-aqueous UV-curable printing systems.
AQUACER 1541 BYK Wax additives pH: 10; non-volatile matter (60 min, 125 °C): 25%; carrier: water; melting point (wax portion): 85 °C; viscosity (23 °C): <50 mPa·s; biogenic carbon (ASTM D6866): 94% Reduces coefficient of friction and improves scratch resistance without compromising gloss and transparency; suitable for waterborne systems with low co-solvent content.
CERAFLOUR 1050 BYK Wax additives Density (20 °C): 0.97 g/ml; melting point: 125 °C; particle size distribution: D50 5 μm, D90 10 µm; form of supply: micronized product Significantly improves abrasion and scratch resistance; fine particle size suitable for varnishes and thin coatings.
CERAFLOUR 1051 BYK Wax additives Density (20 °C): 1.06 g/ml; melting point: 125 °C; particle size distribution: D50 6 μm, D90 10 µm; form of supply: micronized product Significantly improves abrasion and scratch resistance; fine particle size suitable for varnishes and thin coatings.
CERAFLOUR 1052 BYK Wax additives Density (20 °C): 0.98 g/ml; melting point: 125 °C; particle size distribution: D50 6 μm, D90 10 µm; form of supply: micronized product Significantly improves abrasion and scratch resistance; fine particle size suitable for varnishes and thin coatings.
GARAMITE-7305 BYK Rheological Additives Bulk density: 23-113 kg/m³; form of supply: powder Exhibits strong pseudoplasticity, increases low-shear viscosity for anti-settling and anti-sag effects, sharply reduces viscosity under high shear, and activates easily during dispersion.
LAPONITE-7007 BYK Rheological Additives Bulk density: 1,000 kg/m³; pH (2% in water): 10; water content: max. 10%; appearance: loose white powder Provides stability during processing and protection against settling, quickly restores viscosity, improving orientation of effect pigments and metallic luster.
OPTIBENT-7920 BYK Rheological Additives Bulk density: 500-750 kg/m³; pH (2% aqueous solution): 9-11; water content: max. 13%; color: white; form of supply: powder Effectively improves spreadability and provides high sag resistance.
OPTIBENT-7925 BYK Rheological Additives Bulk density: 550-750 kg/m³; pH (2% aqueous solution): 9-11; water content: max. 13%; color: white; form of supply: powder Effectively improves spreadability and provides high sag resistance.
RHEOBYK-7601 BYK Rheological Additives Density (20 °C): 1.05 g/ml; active matter: 15%; solvent: water; flash point: >100 °C Increases low-shear viscosity, imparts pronounced pseudoplasticity and sag resistance, improves storage stability and leveling; easily incorporated and compatible with the system.
RHEOBYK-7460 CA BYK Rheological Additives Density (20 °C): 1.07 g/ml; active matter: 43.40%; solvent: lactam; flash point: 116 °C Effective liquid additive without lithium chloride for anti-settling, anti-sedimentation effect, and storage stability; convenient for dosing.
RHEOBYK-7470 CA BYK Rheological Additives Density (20 °C): 1.01 g/ml; active matter: 47.70%; solvent: lactam; flash point: 108 °C Effective liquid additive without lithium chloride for anti-settling, anti-sedimentation effect, and storage stability; convenient for dosing.
RHEOBYK-D 7460 BYK Rheological Additives Density (20 °C): 1.17 g/ml; active matter: 53.30%; solvent: dimethyl sulfoxide; flash point: 93 °C Effective liquid additive without lithium chloride for anti-settling, anti-sedimentation effect, and storage stability; convenient for dosing.
RHEOBYK-7691 BYK Rheological Additives Density: 1.20 g/cm³; bulk density: 0.4-0.6 g/cm³; melting point: 61 °C; appearance: flakes; color: light white Significantly increases high-shear viscosity, improves application, leveling, and storage stability; safe and convenient in flake form.
RHEOBYK-D 420 BYK Rheological Additives Active Matter: 45%; density (20 °C): 1.15 g/ml; solvent: dimethyl sulfoxide (DMSO); flash point: 95 °C Provides pronounced shear thinning and thixotropy, prevents settling and syneresis, improves sag resistance without impairing leveling; liquid form is convenient to handle.
RHEOBYK-7420 CA BYK Rheological Additives Active Matter: 52%; density (20 °C): 1.10 g/ml; solvent: lactam; flash point: 123 °C High-performance anti-settling additive; shear thinning and thixotropy prevent sedimentation and syneresis, improve sag resistance without impairing leveling.

BYK — additives for coatings, paints, and construction chemicals

DISPERBYK-2013

Brand
BYK
Category
Wetting and dispersing additives
Key Indicators
Density (20 °C): 1.10 g/ml; non-volatile matter (30 min, 150 °C): >97.0%; flash point: >150 °C; acid value: 8 mg KOH/g; amine value: 18 mg KOH/g
Key properties
Provides excellent viscosity reduction and stabilization, noticeably improves the optical properties of the coating.

DISPERBYK-2152

Brand
BYK
Category
Wetting and dispersing additives
Key Indicators
Density (20 °C): 1.08 g/cm³; non-volatile matter (10 min, 150 °C): 100%
Key properties
Exhibits high wetting and dispersing efficiency, significantly reduces system viscosity, and stabilizes a wide range of solid particles.

DISPERBYK-2290

Brand
BYK
Category
Wetting and dispersing additives
Key Indicators
Appearance: viscous liquid; density (20 °C): 1.12 g/ml; non-volatile matter (30 min, 150 °C): 100%; flash point: >150 °C
Key properties
Improves the environmental friendliness and processability of the formulation, enhances system uniformity and application stability.

DISPERBYK-2291

Brand
BYK
Category
Wetting and dispersing additives
Key Indicators
Bulk density: 550-750 kg/m³; water content: max. 10%; form of supply: white free-flowing powder; miscibility: compatible with water and construction systems
Key properties
Provides environmental friendliness, leveling, and long-term storage stability, with no negative effect on curing.

BYK-1680

Brand
BYK
Category
Defoamers
Key Indicators
Active Matter: 100%; density (20 °C): 1.04 g/ml; flash point: >150 °C; pH: 4-7; form of supply: clear liquid; miscibility: miscible with water and concrete plasticizers
Key properties
Good water solubility and compatibility; provides long-lasting defoaming and noticeably improves system flowability.

BYK-1692 SD

Brand
BYK
Category
Defoamers
Key Indicators
Bulk density: 450-650 kg/m³; carrier: inorganic; form of supply: powder
Key properties
Low VOC content, high defoaming efficiency and improved film surface appearance.

BYK-1693 SD

Brand
BYK
Category
Defoamers
Key Indicators
Bulk density: 250-450 kg/m³; carrier: inorganic; biobased carbon (ASTM D6866): 54%; color: white; form of supply: powder
Key properties
Highly effective at suppressing foam, increasing system density and mechanical strength, and improving surface properties.

BYK-1748

Brand
BYK
Category
Defoamers
Key Indicators
Density (20 °C): 0.89 g/cm³; non-volatile matter (10 min, 150 °C): 100%; flash point: >100 °C; biobased carbon (ASTM D6866): 73%
Key properties
Provides strong defoaming and high transparency, does not impair the surface, has good storage stability and environmental profile.

BYK-1754

Brand
BYK
Category
Defoamers
Key Indicators
Density (20 °C): 0.80 g/ml; non-volatile matter (10 min, 150 °C): 20%; solvent: dearomatized solvent; flash point: 37 °C
Key properties
Effectively suppresses foaming and air entrainment in solvent-based printing inks, rapidly defoams, does not impair interlayer adhesion, and improves leveling.

BYK-1755

Brand
BYK
Category
Defoamers
Key Indicators
Density (20 °C): 0.77 g/ml; non-volatile matter (10 min, 150 °C): 20%; solvent: dearomatized solvent; flash point: 42 °C
Key properties
Effectively suppresses foaming and air entrainment in solvent-based printing inks, rapidly defoams, does not impair interlayer adhesion, and improves leveling.

BYK-1765

Brand
BYK
Category
Defoamers
Key Indicators
Density (20 °C): 0.99 g/ml; active matter: 100%; flash point: 100 °C; appearance: colorless clear liquid
Key properties
It exhibits high defoaming efficiency in thick-layer systems, improves surface appearance, and is free of silicones, fluorinated substances, and solvents.

BYK-1810

Brand
BYK
Category
Defoamers
Key Indicators
Density (20 °C): 0.88 g/ml; non-volatile matter (10 min, 150 °C): 0.90%; solvent: butyl acetate; flash point: 26 °C
Key properties
Broad defoaming spectrum; effectively eliminates pinholes, reduces surface tension, improves wetting and surface appearance.

BYK-1811

Brand
BYK
Category
Defoamers
Key Indicators
Density (20 °C): 0.89 g/ml; non-volatile matter (10 min, 150 °C): 9.90%; solvent: butyl acetate; flash point: 25 °C
Key properties
Broad defoaming spectrum; effectively eliminates pinholes, reduces surface tension, improves wetting and surface appearance.

BYK-1815

Brand
BYK
Category
Defoamers
Key Indicators
Density (20 °C): 0.89 g/ml; non-volatile matter (10 min, 150 °C): 10%; solvent: butyl acetate; flash point: 26 °C
Key properties
Broad defoaming spectrum; effectively eliminates pinholes, reduces surface tension, improves wetting and surface appearance.

BYK-1816

Brand
BYK
Category
Defoamers
Key Indicators
Density (20 °C): 0.89 g/ml; non-volatile matter (10 min, 150 °C): 10%; solvent: butyl acetate; flash point: 26 °C
Key properties
Broad defoaming spectrum; effectively eliminates pinholes, reduces surface tension, improves wetting and surface appearance.

BYK-1818

Brand
BYK
Category
Defoamers
Key Indicators
Density (20 °C): 0.88 g/ml; non-volatile matter (10 min, 150 °C): 1%; solvent: butyl acetate; flash point: 26 °C
Key properties
Broad defoaming spectrum; effectively eliminates pinholes, reduces surface tension, improves wetting and surface appearance.

BYK-1851

Brand
BYK
Category
Defoamers
Key Indicators
Density (20 °C): 0.80 g/ml; non-volatile matter (10 min, 150 °C): 20%; solvent: dearomatized solvent; flash point: 37 °C
Key properties
Fast and versatile defoaming; silicone-free and aromatic solvent-free, ensures good leveling and defect-free surface.

BYK-1852

Brand
BYK
Category
Defoamers
Key Indicators
Density (20 °C): 0.77 g/ml; non-volatile matter (10 min, 150 °C): 20%; solvent: dearomatized solvent; flash point: 42 °C
Key properties
Fast and versatile defoaming; silicone-free and aromatic solvent-free, ensures good leveling and defect-free surface.

BYK-1856

Brand
BYK
Category
Defoamers
Key Indicators
Density (20 °C): 0.89 g/ml; non-volatile matter (10 min, 150 °C): 20%; solvent: ethyl butyrate / ethyl 3-methoxypropionate; flash point: 27 °C
Key properties
Strong and rapid defoaming/deaeration, excellent compatibility and low viscosity; contains no silicones or aromatic solvents.

BYK-1880

Brand
BYK
Category
Defoamers
Key Indicators
Density (20 °C): 0.99 g/cm³; active matter: 100%; flash point: 93 °C; form of supply: liquid
Key properties
Particularly effective at eliminating microbubbles during airless spraying, compatible with various film thicknesses and gloss levels, without impairing coating properties.

BYK-314

Brand
BYK
Category
Surface Additives
Key Indicators
Density (20 °C): 1.03 g/ml; non-volatile matter (30 min, 150 °C): 15%; solvent: PMA / phenylglycol 1.4/1; flash point: 45 °C
Key properties
Very low residual cyclic siloxane content.

BYK-3765

Brand
BYK
Category
Surface Additives
Key Indicators
Density (20 °C): 1.01 g/ml; non-volatile matter (30 min, 150 °C): 11.50%; solvent: PMA / phenylglycol 3.3/1; flash point: 50 °C
Key properties
Very low residual cyclic siloxane content.

BYK-3772

Brand
BYK
Category
Surface Additives
Key Indicators
Density (20 °C): 0.99 g/ml; non-volatile matter (10 min, 150 °C): 25%; solvent: PMA / phenylglycol 93/7; flash point: 45 °C; hydroxyl value: approx. 30 mg KOH/g
Key properties
Very low residual cyclic siloxane content.

BYK-UV 3511

Brand
BYK
Category
Surface Additives
Key Indicators
Density (20 °C): 1.03 g/ml; active matter: 100%; refractive index (20 °C): 1.435
Key properties
Very low residual cyclic siloxane content.

BYK-379

Brand
BYK
Category
Surface Additives
Key Indicators
Density (20 °C): 1.02 g/ml; active matter: 100%; flash point: >100 °C
Key properties
Strongly reduces dynamic and static surface tension, improves wetting, leveling, and surface properties, with very low foam stabilization.

BYK-3483

Brand
BYK
Category
Surface Additives
Key Indicators
Density (20 °C): 1.03 g/ml; active matter: 100%; flash point: >100 °C
Key properties
Provides excellent substrate wetting and leveling, reduces surface tension, eliminates craters and pinholes, has good compatibility and dirt-repellent effect.

BYK-SILCLEAN 3725

Brand
BYK
Category
Surface Additives
Key Indicators
Density (20 °C): 0.97 g/cm³; non-volatile matter (10 min, 150 °C): 25%; solvent: dipropylene glycol monomethyl ether; flash point: 78 °C; hydroxyl value: 27 mg KOH/g; form of delivery: liquid
Key properties
PFAS-free, low cyclic siloxane content; imparts long-lasting hydro- and oleophobicity, easy cleaning and anti-adhesion properties, improves wetting, leveling, and slip.

BYK-UV 3590

Brand
BYK
Category
Surface Additives
Key Indicators
Density (20 °C): 0.98 g/ml; active matter: 100%; refractive index (20 °C): 1.411
Key properties
Characterized by a strong release effect, high slip, and self-leveling on the surface; additionally contributes to defoaming and improves flow in non-aqueous UV-curable printing systems.

BYK-UV 3595

Brand
BYK
Category
Surface Additives
Key Indicators
Density (20 °C): 1.01 g/ml; active matter: 100%; refractive index (20 °C): 1.426
Key properties
Characterized by a strong release effect, high slip, and self-leveling on the surface; additionally contributes to defoaming and improves flow in non-aqueous UV-curable printing systems.

AQUACER 1541

Brand
BYK
Category
Wax additives
Key Indicators
pH: 10; non-volatile matter (60 min, 125 °C): 25%; carrier: water; melting point (wax portion): 85 °C; viscosity (23 °C): <50 mPa·s; biogenic carbon (ASTM D6866): 94%
Key properties
Reduces coefficient of friction and improves scratch resistance without compromising gloss and transparency; suitable for waterborne systems with low co-solvent content.

CERAFLOUR 1050

Brand
BYK
Category
Wax additives
Key Indicators
Density (20 °C): 0.97 g/ml; melting point: 125 °C; particle size distribution: D50 5 μm, D90 10 µm; form of supply: micronized product
Key properties
Significantly improves abrasion and scratch resistance; fine particle size suitable for varnishes and thin coatings.

CERAFLOUR 1051

Brand
BYK
Category
Wax additives
Key Indicators
Density (20 °C): 1.06 g/ml; melting point: 125 °C; particle size distribution: D50 6 μm, D90 10 µm; form of supply: micronized product
Key properties
Significantly improves abrasion and scratch resistance; fine particle size suitable for varnishes and thin coatings.

CERAFLOUR 1052

Brand
BYK
Category
Wax additives
Key Indicators
Density (20 °C): 0.98 g/ml; melting point: 125 °C; particle size distribution: D50 6 μm, D90 10 µm; form of supply: micronized product
Key properties
Significantly improves abrasion and scratch resistance; fine particle size suitable for varnishes and thin coatings.

GARAMITE-7305

Brand
BYK
Category
Rheological Additives
Key Indicators
Bulk density: 23-113 kg/m³; form of supply: powder
Key properties
Exhibits strong pseudoplasticity, increases low-shear viscosity for anti-settling and anti-sag effects, sharply reduces viscosity under high shear, and activates easily during dispersion.

LAPONITE-7007

Brand
BYK
Category
Rheological Additives
Key Indicators
Bulk density: 1,000 kg/m³; pH (2% in water): 10; water content: max. 10%; appearance: loose white powder
Key properties
Provides stability during processing and protection against settling, quickly restores viscosity, improving orientation of effect pigments and metallic luster.

OPTIBENT-7920

Brand
BYK
Category
Rheological Additives
Key Indicators
Bulk density: 500-750 kg/m³; pH (2% aqueous solution): 9-11; water content: max. 13%; color: white; form of supply: powder
Key properties
Effectively improves spreadability and provides high sag resistance.

OPTIBENT-7925

Brand
BYK
Category
Rheological Additives
Key Indicators
Bulk density: 550-750 kg/m³; pH (2% aqueous solution): 9-11; water content: max. 13%; color: white; form of supply: powder
Key properties
Effectively improves spreadability and provides high sag resistance.

RHEOBYK-7601

Brand
BYK
Category
Rheological Additives
Key Indicators
Density (20 °C): 1.05 g/ml; active matter: 15%; solvent: water; flash point: >100 °C
Key properties
Increases low-shear viscosity, imparts pronounced pseudoplasticity and sag resistance, improves storage stability and leveling; easily incorporated and compatible with the system.

RHEOBYK-7460 CA

Brand
BYK
Category
Rheological Additives
Key Indicators
Density (20 °C): 1.07 g/ml; active matter: 43.40%; solvent: lactam; flash point: 116 °C
Key properties
Effective liquid additive without lithium chloride for anti-settling, anti-sedimentation effect, and storage stability; convenient for dosing.

RHEOBYK-7470 CA

Brand
BYK
Category
Rheological Additives
Key Indicators
Density (20 °C): 1.01 g/ml; active matter: 47.70%; solvent: lactam; flash point: 108 °C
Key properties
Effective liquid additive without lithium chloride for anti-settling, anti-sedimentation effect, and storage stability; convenient for dosing.

RHEOBYK-D 7460

Brand
BYK
Category
Rheological Additives
Key Indicators
Density (20 °C): 1.17 g/ml; active matter: 53.30%; solvent: dimethyl sulfoxide; flash point: 93 °C
Key properties
Effective liquid additive without lithium chloride for anti-settling, anti-sedimentation effect, and storage stability; convenient for dosing.

RHEOBYK-7691

Brand
BYK
Category
Rheological Additives
Key Indicators
Density: 1.20 g/cm³; bulk density: 0.4-0.6 g/cm³; melting point: 61 °C; appearance: flakes; color: light white
Key properties
Significantly increases high-shear viscosity, improves application, leveling, and storage stability; safe and convenient in flake form.

RHEOBYK-D 420

Brand
BYK
Category
Rheological Additives
Key Indicators
Active Matter: 45%; density (20 °C): 1.15 g/ml; solvent: dimethyl sulfoxide (DMSO); flash point: 95 °C
Key properties
Provides pronounced shear thinning and thixotropy, prevents settling and syneresis, improves sag resistance without impairing leveling; liquid form is convenient to handle.

RHEOBYK-7420 CA

Brand
BYK
Category
Rheological Additives
Key Indicators
Active Matter: 52%; density (20 °C): 1.10 g/ml; solvent: lactam; flash point: 123 °C
Key properties
High-performance anti-settling additive; shear thinning and thixotropy prevent sedimentation and syneresis, improve sag resistance without impairing leveling.
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