Archives: Listings

Butyl Cellosolve

Butyl CELLOSOLVE™ Solvent, also known as 2-butoxyethanol and chemically as ethylene glycol monobutyl ether, is a versatile glycol ether with both hydrophilic (water-attracting) and hydrophobic (water-repelling) properties. This clear, colorless liquid is known for its fast evaporation and excellent solvency capabilities, making it suitable for a wide range of industrial and household applications.
Key Characteristics
- Chemical Formula: C4H9OCH2CH2OH
- Molecular Weight: 118.2 g/mol
- Boiling Point: 171°C (340°F)
- Flash Point: 67°C (153°F)
- Freezing Point: -75°C (-103°F)
- Density: 0.902 g/cm³ at 20°C
- Vapor Pressure: 0.66 mmHg at 20°C
- Solubility: Completely miscible with water
- Autoignition Temperature: 230°C (446°F)
- Evaporation Rate: 0.06 (n-butyl acetate = 1.0)
Applications
1. Coatings:
  - Active solvent in solvent-based coatings.
  - Coalescent in industrial water-based coatings.
  - Coupling agent in architectural water-borne coatings.
2. Cleaners:
  - Solvent and coupling agent in household and industrial cleaners, rust removers, hard surface cleaners, and disinfectants.
3. Printing Inks:
  - Primary solvent in solvent-based silk screen printing inks.
  - Coupling agent for resins and dyes in water-based printing inks.
4. Agricultural:
  - Solvent for agricultural pesticides.
Physical Properties
- Viscosity: 3.3 cP at 20°C
- Surface Tension: 65 dynes/cm at 2 g/L at 20°C
- Specific Heat: 2.38 J/g/°C at 25°C
- Heat of Vaporization: 348 J/g at normal boiling point
- Net Heat of Combustion: 30.0 kJ/g at 25°C
- Hansen Solubility Parameters:
  - Dispersion: 16.0 (J/cm³)1/2
  - Polar: 7.6 (J/cm³)1/2
  - Hydrogen bonding: 12.3 (J/cm³)1/2
Safety and Handling
- Flammable Limits:
  - Lower: 1.3% by volume in air
  - Upper: 10.6% by volume in air
- Precautions: Use in well-ventilated areas, wear appropriate protective equipment, and avoid inhalation and skin contact.
- First Aid: In case of contact, rinse thoroughly with water. If inhaled, move to fresh air. Seek medical attention if symptoms persist.

Polychem 7775-EB-70

Polychem® 7775-EB-70 is a fast-drying, water-reducible alkyd resin that is free of Hazardous Air Pollutants (HAPs). It is specifically formulated for industrial applications and high gloss Direct to Metal (DTM) coatings. The resin boasts excellent corrosion resistance, gloss retention, and adhesion properties.
Characteristics and Specifications
- Non-Volatile Content: 69 – 71%
- Viscosity (Gardner-Holdt): Z4 – Z6
- Acid Number (Non-Volatile Material): 33 – 40
- Gardner Color: Max 7
- Density: 8.85 – 9.05 lbs/gal
- Solvent: Ethylene glycol monobutyl ether (EB)
- Clarity: Clear
Features
- Fast Drying
- Excellent Gloss and Gloss Retention
- Excellent Corrosion Resistance
- Great Adhesion
Applications
- High Quality Exterior Enamels
- Industrial Top Coats
- Primer Applications
- Industrial Maintenance Applications
Curing and Dry Time
- Surface Dry: 1 – 2 hours
- Tack Free: 3 – 4 hours
- Dry Hard: 7 – 8 hours
Drier Recommendations
- Cobalt: 0.03 – 0.05%
- Zirconium: 0.20 – 0.40%
Viscosity Reduction
Polychem® 7775-EB-70 can be reduced using the following formulation for viscosity control:
- 7775-EB-70: 400 parts
- EB: 29.3 parts
- 21% Ammonia: 29 parts
- Water: 540.7 parts
- BYK 024: 1 part
Starting Point Formulations
High Gloss White Enamel
- Water: 41.65 lbs
- Disperbyk 190: 15.00 lbs
- BYK 093: 1.08 lbs
- TiO2: 210.00 lbs
- 7775-EB-70: 280.35 lbs
- Butyl Cellosolve: 15.00 lbs
- Triethylamine: 13.50 lbs
- Water: 412.64 lbs
- Butyl Cellosolve: 7.51 lbs
- 10% Cobalt Hydro-Cure IV: 1.48 lbs
- 5% Calcium Hydro-Cem: 2.95 lbs
- 12% Zirconium Hydro-Cem: 2.462 lbs
High Gloss Black Enamel
- 7775-EB-70: 281.93 lbs
- Ammonium Hydroxide 21: 20.00 lbs
- Water: 495.19 lbs
- BYK 024: 1.00 lbs
- Super Seatone Countryside Black: 25.00 lbs
- EB/Butyl Cellosolve: 23.50 lbs
- 10% Cobalt Hydro-Cure IV: 1.96 lbs
- 12% Zirconium Hydro-Cem: 3.27 lbs
Corrosion and QUV Resistance
Polychem® 7775-EB-70 shows excellent corrosion resistance and maintains gloss retention under accelerated weathering conditions, demonstrating its suitability for high-performance coatings.
Safety and Storage
- Storage Conditions: Protect from weather and store at temperatures between 5 and 30°C. Reseal containers immediately after use.
- Safety: Refer to the product's safety data sheet for detailed safety information.

OPC Polymers

Borchi® Gen 1252

Borchi® Gen 1252 is a high molecular wetting and dispersing agent designed for use in both waterborne and solventborne systems. It is a 100% acrylic ester copolymer that offers excellent wetting and deflocculation properties, making it highly effective for stabilizing pigments in various coating applications.
Characteristic Data
- Non-volatile Content: 94 - 100% (ISO 3251, 1g, 1h, 125°C)
- pH-value: 2.5 - 3.5 (ISO 976, 40% in water)
- Color: Gardner Max. 1 (ISO 4630)
- Viscosity: 1500 - 3500 mPa·s (ISO 2555, Sp.5; 20 U/min, 23°C)
Properties
- Excellent additive for wetting, dispersing, and stabilizing pigments
- Achieves excellent color strength and high gloss due to small particle size of deflocculated pigments
- Prevents settling and re-flocculation even after prolonged storage
- Completely VOC-free and amine-free
Applications
Borchi® Gen 1252 is recommended for high-quality wood, decorative, and industrial paints. It is compatible with a wide range of resins and suitable for preparing both aqueous and solventborne pigment concentrates, with or without grinding resin. It is highly effective for both organic and inorganic pigments, especially titanium dioxide.
Binder Systems and Pigment Pastes Compatibility
- Aqueous and Solventborne Systems: Suitable for both
- Binder Types:
  - PUR (Polyurethane)
  - EP (Epoxy)
  - Acrylic
  - Alkyd
  - UV
  - NC (Nitrocellulose)
  - Resin-free and resin-based systems
- Pigment Types:
  - Titanium dioxide
  - Inorganic pigments
  - Organic pigments
  - Carbon black
Dosage
- Titanium Dioxide: 3 - 5%
- Inorganic Pigments: 5 - 10%
- Organic Pigments: 12 - 35%
The required addition level depends on the pigment particle size and surface area, and should be determined through pre-trials.
Storage
- Store in a weather-protected environment at temperatures between 5 and 30°C.
- Containers should be resealed immediately after each use to maintain product integrity.

Borchi® Burst DF 300

Borchi® Burst DF 300 is a solvent- and silicone-free foam control agent specifically designed for use in coatings. It helps to manage and eliminate foam in various coating formulations, enhancing process productivity and finish quality.
Physical Characteristics
- Appearance: Pale yellow liquid
- Chemical Type: Alkoxane polymers
- Water Miscibility: Medium dispersibility
- Viscosity: Not greater than 2000 cPs at 20°C (DIN 53019, 100 rpm)
- Specific Gravity (at 20°C): 0.98 – 1.02 g/ml
- Active Content: Approximately 99%
Features
- Excellent defoamer
- Good compatibility with various formulations
- Performs well over a wide range of pH values
- Effective at low concentrations
- Operates effectively over a wide range of temperatures
- Enhances process productivity
Applications
Borchi® Burst DF 300 is suitable for a variety of coating applications, including:
- Gloss paints
- Wood coatings
- Pigment dispersions
- Matt and silk paints
Dosage
- Typically added as received, without further dilution.
- The required amount varies by application, generally between 0.05% and 0.5% of the total formulation.
- The exact dosage should be determined through laboratory trials to identify the optimum quantity and points of addition.
Storage
- Store in closed containers.
- Avoid extremes of temperature; maintain between 5°C and 30°C.
- Avoid freezing and direct sunlight.
- Product has a shelf life of 12 months; some phasing may occur during this period, but remixing will ensure the product remains suitable for use.

Bayhydrol® UH 2592

Bayhydrol® UH 2592 is a polyester-polyurethane dispersion that dries by oxidation. It is designed to serve as a binder in the formulation of aqueous air- and forced-drying, high-gloss coatings and primers with excellent anti-corrosion properties, primarily used for general industrial finishes.
Physical and Chemical Characteristics
- Form Supplied: Approximately 45% in water, neutralized with ethyldiisopropylamine (EDIPA) in a ratio of approximately 53.5:1.5
- Viscosity (at 23 °C, D = approx. 40 s⁻¹): Maximum 600 mPa·s (DIN EN ISO 3219/A.3)
- Non-volatile Content (1 g/1 h/125 °C): 43 - 47% (DIN EN ISO 3251)
- pH: 6.0 - 7.5 (DIN ISO 976)
- Mean Particle Size: Approximately 125 nm (photon correlation spectroscopy)
- Appearance: Milky, cloudy
- Density (at 20 °C): Approximately 1.0 g/ml (DIN EN ISO 2811)
- OH Content (calculated on solid resin): Approximately 2.1%
- Acid Value: Approximately 12 mg KOH/g (DIN EN ISO 2114)
- Bio-based Raw Material Share: Approximately 23 wt.-% (calculated)
- Bio-based Carbon Share: Approximately 29% (calculated)
Applications
Bayhydrol® UH 2592 is used for:
- High-gloss top coats
- Effect coats
- Primers and single coats with excellent anti-corrosion properties
Properties
- Quick drying with high hardness after curing overnight
- Very good water-resistance
- Shear-stable, suitable for dip applications
Handling and Formulation
- Neutralized to approximately 60% with ethyldiisopropylamine in its supply form
- Additional amine (ethyldiisopropylamine, triethylamine, or dimethylethanolamine for forced drying) recommended for better pigment wetting and increased viscosity
- Compatible with other aqueous binders (requires testing)
- Can be colored with standard inert and alkaline pigments
Storage
- Store in original sealed containers at 5 - 23 °C
- Protect from frost (freezes at temperatures below 0 °C and may be damaged)
- Guaranteed to meet specifications for six months from the date of shipment if stored properly

Borchi® Gen 1757

Borchi® Gen 1757 is a VOC-free wetting and dispersing agent specifically designed for use with bismuth vanadate pigments in water-based systems. It is used to enhance the dispersion and stabilization of pigments in various coating applications, ensuring vibrant color and superior opacity.
Physical Characteristics
- Appearance: Yellow to brownish liquid
- Non-volatile content: 100%
- pH: 1 – 3
- Density: 1.035 – 1.085 g/cm³
- Viscosity: Max. 1400 mPa.s
- Solvent(s): Not applicable (NA)
Features
- Hybrid wetting and dispersing additive combining various principles of pigment stabilization
- Excellent for high-loading water-based bismuth vanadate concentrates
- Produces vibrant colors and superior opacity across a range of bismuth vanadate pigments
Applications
Borchi® Gen 1757 is suitable for various coating applications including:
- Architectural coatings
- General industrial coatings
- Automotive coatings
- Protective and marine coatings
Dosage
For bismuth vanadate pigments, the recommended dosage is 10 – 20% active on pigment loading. The exact dosage should be determined experimentally through a ladder study. Borchi® Gen 1757 should be added to the mill base before the pigment.
Storage
The product should be protected from weathering and stored at temperatures between 5 and 30°C. Once opened, containers should be resealed immediately after each use to maintain the product's integrity.

Borchi® Gol LAC 80

Borchi® Gol LAC 80 is a paint additive designed to enhance the flow properties and surface smoothness of paints and coatings. Here are some key details about it:
- Composition: It is composed of polyether-modified methyl polysiloxane and is 100% active ingredient.
- Application: Borchi® Gol LAC 80 can be used in both solvent-containing and solvent-free paint systems, as well as in aqueous media.
- Properties:
  - Improves surface smoothness of paint films.
  - Reduces susceptibility to scratching, particularly in matte paints.
  - Enhances removability, especially in automotive refinishing paints.
  - Acts as a flow promoter, preventing crater formation and relieving stresses in paint films.
  - Facilitates wetting of substrates, even poorly degreased or silicone-contaminated ones.
  - Can be recoated after application.
- Dosage: Recommended dosages range between 0.05 and 0.10% relative to binder. A 10% solution is recommended to avoid incorrect dosages.
- Storage: It should be stored between 5 and 30°C, protected from weathering. Once opened, containers should be resealed immediately to avoid exposure to moisture.
- Safety: Safety data sheets should be consulted for information on product safety.
Borchi® Gol LAC 80 is versatile and compatible with various paint and coating systems, making it a valuable additive for achieving desired surface properties and performance characteristics.

Borchi® Gel 0626

Borchi® Gel 0626 is a non-ionic polyurethane-based thickener designed for waterborne coatings systems. Here are its key features:
Description:
- Composition: Liquid polyurethane-based thickener.
- Free of: APEO (alkylphenol ethoxylates), HAPs (Hazardous Air Pollutants), tin compounds, and VOCs (Volatile Organic Compounds).
Characteristic Data:
- Appearance: High-viscous liquid.
- Non-volatile content: 34 - 38%
- Density: 1.020 - 1.060 g/cm³
- Viscosity: Max. 10000 mPa·s (at 23 °C)
- Solvent: Water
Properties:
- Improves rheological properties, particularly in the medium and high shear region (1000 s-1 to 10000 s-1), leading to enhanced storage stability, leveling, and application properties.
- Made with aliphatic isocyanates, so it does not yellow or cause chalking in cured films.
Applications:
- Suitable for use in waterborne coatings systems, including architectural paints, industrial coatings, adhesives, printing inks, and knifing fillers.
- Can be used in coatings applied by brush, roller, E-coat, and spray applications.
Dosage:
- Best incorporated after the pigment/filler dispersion stage but before letdown.
- Typical usage levels range from 0.2 - 3.0% of the total weight of the formulation, depending on the type and amount of binders, pigments, and fillers used. Glossy paints may require higher amounts.
Storage and Safety:
- Store between 5 and 30 °C, protecting from weather effects.
- Reseal containers immediately after each use.
- Refer to the safety data sheet for safety information.

RESYDROL® AZ 436w/45WA

RESYDROL® AZ 436w/45WA is an oxidatively drying acrylic and urethane-modified alkyd resin delivered in the form of an aqueous emulsion with a 45% solids content in water. Here's an overview of its key characteristics and suggested uses:
Product Data:
- Dynamic Viscosity: 4000 - 12000 mPa.s (10 1/s; 23 °C)
- pH-Value: 8.5 - 9.5 (10%)
- Non-Volatile Matter: 43.5 - 46.5% (120 °C; 5 min)
- Density: Approx. 1.04 g/cm³ (20 °C)
- Flash Point: > 100 °C
- Special Properties: Very rapid initial and through-drying, high film hardness, excellent water and corrosion resistance, adequate compatibility with anticorrosive pigments.
Suggested Uses:
- As Sole Binder for Anticorrosive Primers: Enables the formulation of anticorrosive primers recoatable with conventional and water-thinnable paints after a few hours of air-drying, resulting in films with high water resistance and excellent corrosion resistance.
- Rapidly Drying Primer Surfacers: Suitable for the formulation of primer surfacers that can be easily sanded after a short time.
- Finishing and One-Coat Paints: Possible for formulations not requiring high gloss.
- Application Methods: Preferably applied by spraying, dipping, flow coating, etc.
Dilutability and Compatibility:
- Can be diluted with deionized water as desired without the need for additional organic solvents.
- Compatible with other air-drying Resydrol binders, and through-drying can be accelerated by using it together with Resydrol AY 241w.
- Combinations with acrylate dispersions are possible but require individual compatibility testing.
Processing:
- Neutralization: pH value should be adjusted between 9.0 and 9.5 with ammonia for good stability.
- Pigmentation: Recommended anticorrosive pigments include Sicor SPO (BASF), Shieldex AC 3 (Grace), and Delaphos zinc phosphate (ISC Alloys Ltd.). Care should be taken to avoid strong basic pigments to prevent viscosity pickup.
- Addition of Driers: Water-emulsifiable driers can be added; a combination drier such as Additol VXW 4940 (Co, Ba, Zr) is recommended. Other auxiliary substances should be added to the mill base before dispersion.
Rheological Behavior:
- Aqueous alkyd resin emulsions exhibit structural viscosity, meaning viscosity decreases with increasing shear stress.
- Viscosity is influenced by pH value; neutralization can raise viscosity to the original level.
Storage:
- Recommended storage temperature is up to 25 °C.
- Products containing water may freeze below 0 °C, but regeneration is possible through extended heat treatment at 40 - 50 °C with continuous stirring.

Archives: Listings

Butyl Cellosolve

Key Characteristics

Applications

Physical Properties

Safety and Handling

Polychem 7775-EB-70

Characteristics and Specifications

Features

Applications

Curing and Dry Time

Drier Recommendations

Viscosity Reduction

Starting Point Formulations

High Gloss White Enamel

High Gloss Black Enamel

Corrosion and QUV Resistance

Safety and Storage

OPC Polymers

Borchi® Gen 1252

Characteristic Data

Properties

Applications

Binder Systems and Pigment Pastes Compatibility

Dosage

Storage

Borchi® Burst DF 300

Physical Characteristics

Features

Applications

Dosage

Storage

Bayhydrol® UH 2592

Physical and Chemical Characteristics

Applications

Properties

Handling and Formulation

Storage

Borchi® Gen 1757

Physical Characteristics

Features

Applications

Dosage

Storage

Borchi® Gol LAC 80

Borchi® Gel 0626

Description:

Characteristic Data:

Properties:

Applications:

Dosage:

Storage and Safety:

RESYDROL® AZ 436w/45WA

Product Data:

Suggested Uses:

Dilutability and Compatibility:

Processing:

Rheological Behavior:

Storage: