Pigment Brown
| Parameter | Specification |
|---|---|
| Color Index | PBr 6, PBr 7 |
| Chemical Composition | Iron oxide-based |
| Particle Size | 0.1-1.0 μm |
| Oil Absorption | 25-35 g/100g |
| Heat Resistance | Up to 300°C |
| Lightfastness | 8 (Blue Scale) |
| pH Value | 6.5-7.5 |
| Solubility | Insoluble in water |
Key Features of Pigment Brown:
- Excellent opacity and tinting strength
- Superior weather resistance for outdoor applications
- Compatible with various binder systems
- Non-toxic and environmentally friendly
- Consistent batch-to-batch color quality
- Wide range of brown shades available
Applications of Pigment Brown:
- Coatings and paints (architectural, industrial, automotive)
- Plastics and masterbatches
- Construction materials (concrete, mortar)
- Printing inks
- Cosmetics and personal care products
- Paper and textile coloring
Pigment Brown Technical Data Sheet:
| Property | Test Method | Value |
|---|---|---|
| Density | ISO 787-10 | 4.8 g/cm³ |
| Specific Surface Area | BET Method | 15 m²/g |
| Resistivity | ASTM D257 | 10^12 Ω·cm |
| Moisture Content | DIN 53780 | ≤ 0.5% |
Pigment Brown Packaging Options:
| Package Type | Weight | Pallet Quantity |
|---|---|---|
| Paper Bags | 25 kg | 40 bags |
| PE Bags | 500 kg | 20 bags |
| Big Bags | 1000 kg | 10 bags |
Pigment Brown FAQ Section:
What are the main advantages of Pigment Brown compared to other brown pigments?
Pigment Brown offers superior heat stability, excellent lightfastness, and outstanding weather resistance compared to organic brown pigments. Its inorganic nature provides better opacity and higher chemical resistance, making it ideal for demanding applications in coatings and plastics. The consistent color quality across batches ensures reliable performance in industrial production.
How should Pigment Brown be stored for optimal shelf life?
Pigment Brown should be stored in its original packaging, in a cool, dry place away from direct sunlight. The storage area should be well-ventilated with relative humidity below 65% and temperatures between 5°C and 30°C. Keep containers tightly sealed when not in use to prevent moisture absorption and contamination. Under proper conditions, Pigment Brown maintains its quality for at least 3 years.
Can Pigment Brown be used in food-contact applications?
Standard Pigment Brown is not approved for direct food contact. However, we offer special food-grade versions that comply with FDA 21 CFR 175.300, EU 10/2011, and other international food safety regulations for specific applications. These variants undergo additional purification processes to meet strict purity requirements for food packaging and similar applications.
Handling Recommendations for Pigment Brown:
- Use appropriate personal protective equipment (gloves, goggles, dust mask)
- Avoid creating dust during handling and transfer
- Implement good industrial hygiene practices
- Ensure proper ventilation in working areas
- Clean spills immediately using dry methods
Pigment Brown Regulatory Information:
| Regulation | Compliance Status |
|---|---|
| REACH | Fully registered |
| TSCA | Listed |
| RoHS | Compliant |
| China GB | Approved |