Neutral Dye – The Professional Choice for High-Quality Coloring
Neutral dye is a premium coloring solution designed for various industrial and textile applications. With its superior stability and vibrant results, Neutral dye has become the preferred choice for professionals worldwide.
Key Features of Neutral Dye
- Excellent color fastness - Resistant to washing, light, and rubbing
- Wide pH tolerance - Performs well in both acidic and alkaline conditions
- High solubility - Easily dissolves in water for uniform application
- Environmentally friendly - Low toxicity and minimal environmental impact
- Versatile compatibility - Works with various fabric types including cotton, wool, and synthetics
Technical Specifications
| Parameter | Specification | Testing Method |
|---|---|---|
| Appearance | Uniform powder | Visual inspection |
| Color Strength | 100±5% (vs standard) | Spectrophotometer |
| Moisture Content | ≤5% | Karl Fischer titration |
| Water Insoluble Matter | ≤0.5% | Filtration method |
| pH Value (1% solution) | 6.5-7.5 | pH meter |
| Light Fastness | 6-7 (ISO 105-B02) | Xenon arc testing |
Application Guide
For optimal results with Neutral dye, follow these application parameters:
| Material | Temperature (°C) | Time (minutes) | Dye Concentration (%) |
|---|---|---|---|
| Cotton | 60-80 | 30-45 | 1-3 |
| Wool | 80-95 | 45-60 | 2-4 |
| Polyester | 120-130 | 30-40 | 1-2 |
| Nylon | 85-95 | 45-60 | 2-3 |
Neutral Dye FAQ
What makes Neutral dye different from other dyes?
Neutral dye stands out due to its unique pH-neutral formula that provides exceptional color fastness across different fabric types. Unlike conventional dyes that may require specific pH conditions, Neutral dye performs consistently in various environments while maintaining vibrant colors and minimal environmental impact. Its superior penetration properties ensure even coloring throughout the material.
How should I store Neutral dye for maximum shelf life?
For optimal preservation of Neutral dye, store in a cool, dry place away from direct sunlight. Keep containers tightly sealed at temperatures between 5°C and 30°C, with relative humidity below 65%. Under these conditions, Neutral dye typically maintains its quality for 24 months from production date. Always check the packaging for specific storage instructions as formulations may vary slightly.
Can Neutral dye be used for food-grade applications?
Standard Neutral dye formulations are not certified for food contact or consumption. However, we offer special food-grade versions that comply with FDA and EU regulations for specific applications. These undergo additional purification processes and testing to ensure safety. Always verify the product specifications and certifications before use in food-related applications.
Safety Information
When handling Neutral dye, always follow standard safety precautions:
- Wear protective gloves and eye protection
- Use in well-ventilated areas
- Avoid inhalation of dust
- Wash hands thoroughly after handling
- Keep away from children and pets
Environmental Considerations
Neutral dye has been formulated with environmental responsibility in mind:
- Biodegradability: 85-95% within 28 days (OECD 301B)
- Low aquatic toxicity (LC50 > 100mg/l)
- Free from heavy metals and restricted aromatic amines
- Compliant with REACH and other international regulations