Sulfur Brown
Discover the premium quality of Sulfur Brown, the high-performance pigment solution for industrial and artistic applications. Our Sulfur Brown offers exceptional color stability, durability, and versatility across multiple surfaces and materials.
Product Specifications
- Chemical Formula: C.I. Pigment Brown 6
- Color Index: 77492
- Molecular Weight: 159.69 g/mol
- Appearance: Fine brown powder
- Solubility: Insoluble in water and most organic solvents
- Lightfastness: Excellent (8 on the Blue Wool Scale)
- Heat Resistance: Up to 300°C (572°F)
Technical Properties
| Property | Value | Test Method |
|---|---|---|
| Particle Size | 0.3 - 1.2 μm | ISO 13320 |
| pH Value | 6.5 - 8.0 | ISO 787-9 |
| Oil Absorption | 25 - 35 g/100g | ISO 787-5 |
| Bulk Density | 0.6 - 0.8 g/cm³ | ISO 697 |
Applications
Sulfur Brown is widely used in:
- Industrial coatings and paints
- Plastics and polymer coloration
- Printing inks
- Construction materials
- Artist paints and pigments
- Textile dyeing
Safety Information
Sulfur Brown complies with international safety standards including REACH and RoHS. Always use appropriate personal protective equipment when handling.
FAQ About Sulfur Brown
Q: What makes Sulfur Brown different from other brown pigments?
A: Sulfur Brown offers superior thermal stability and chemical resistance compared to conventional brown pigments, making it ideal for high-temperature applications. Its unique molecular structure provides excellent opacity and coloring strength.
Q: Can Sulfur Brown be used in food-contact applications?
A: No, Sulfur Brown is not approved for food-contact applications. While it meets general safety standards for industrial use, it hasn't been certified as food-safe by regulatory bodies like the FDA or EFSA.
Q: How should Sulfur Brown be stored for maximum shelf life?
A: Store Sulfur Brown in its original packaging in a cool, dry place away from direct sunlight. Keep containers tightly sealed when not in use. Under proper storage conditions, Sulfur Brown maintains its quality for up to 3 years from production date.
Packaging Options
Sulfur Brown is available in various packaging options to suit different production needs:
- 1 kg bags
- 5 kg bags
- 25 kg fiber drums
- Custom bulk packaging available for industrial users
Quality Assurance
Every batch of Sulfur Brown undergoes rigorous quality control testing, including:
- Color consistency testing
- Purity analysis
- Performance in various media
- Batch-to-batch consistency verification
Additional FAQ About Sulfur Brown
Q: Is Sulfur Brown compatible with water-based systems?
A: Yes, Sulfur Brown can be used in water-based systems with proper dispersion. We recommend using appropriate surfactants or dispersing agents to achieve optimal results in aqueous applications.
Q: What's the recommended dosage of Sulfur Brown in paint formulations?
A: The typical usage level ranges from 2-10% by weight depending on the desired color intensity and the base formulation. For specific applications, we recommend conducting small-scale tests to determine the optimal concentration.
Q: Does Sulfur Brown require any special handling precautions?
A: While Sulfur Brown isn't classified as hazardous, standard powder handling precautions apply. Use appropriate dust masks, ensure good ventilation, and avoid creating dust clouds during handling to prevent respiratory irritation.
Environmental Considerations
Sulfur Brown is manufactured with environmental responsibility in mind:
- Low heavy metal content
- Minimal VOC emissions
- Recyclable packaging
- Energy-efficient production processes
Performance Data
Independent testing has confirmed Sulfur Brown's outstanding performance characteristics:
- 96% color retention after 1000 hours QUV exposure
- Less than 5% color shift at 250°C sustained for 24 hours
- Excellent dispersion characteristics in multiple carrier systems
Final FAQ About Sulfur Brown
Q: Can Sulfur Brown be mixed with other pigments?
A: Yes, Sulfur Brown shows excellent compatibility with most inorganic and many organic pigments. For custom color matching, we recommend testing specific combinations to ensure desired results.
Q: Is there a lead time for Sulfur Brown orders?
A: Standard orders typically ship within 3-5 business days. For large or custom orders, please contact our sales team for specific lead time information based on current production schedules.
Q: What certifications does Sulfur Brown hold?
A: Sulfur Brown is certified to meet ISO 9001 quality standards and complies with REACH regulations. Additional certifications are available upon request for specific regional requirements.