We unleash your business potential by maximize the business innovation.
Send EmailIndanthren Dye Properties
Indanthren dyes are highly resistant to sunlight, chlorine, strong bleaching agents, acids, and alkalis. They also show excellent wash fastness, making them ideal for textiles that require durability.
Applications
-
Household textiles: Kitchen towels, hairdresser towels, barber towels, sports towels, cotton bed sheets, tablecloths, duvet covers, upholstery 🏠
-
Industrial textiles: Uniforms (military, police, firefighters), workwear, hospital textiles (surgical gowns, sheets) 🏥
-
Outdoor textiles: Tents, awnings, sunshades ⛺
-
Fashion & sportswear: Sports clothing, swimwear 👕
-
Textile production: Sewing threads, yarn-dyed fabrics, striped and checkered fabrics
Technical Features
-
Wet fastness: 4–5
-
Light fastness: 3–8 ☀️
-
Peroxide fastness: 4–5
-
Mercerization fastness: 3–5
-
Hypochlorite fastness: 4–5 (some 2–3)
-
Superior to sulfur dyes, which are not resistant to chlorine washing.
-
Colors are more subdued compared to reactive and direct dyes.
-
Application cost is high, but post-dyeing processes cause minimal color change.
Color Equivalents
-
⚫ VAT BLACK YBM → BLACK RI, BLACK 5589 (15–20 shades darker)
-
🔵 VAT DARK BLUE DB → DARK BLUE DB equivalent
-
🔴 VAT RED FBB → RED FBB equivalent
-
⚪ VAT GREY 1287 → GREY 5607 equivalent
-
🔵 VAT BLUE CLF → BLUE CLF equivalent
-
🟢 VAT GREEN FFB → GREEN FFB equivalent
-
🟤 VAT BROWN BR → BROWN BR equivalent (40–50% darker)
-
🔵 VAT BLUE RS → BLUE RS equivalent
Sectoral Compatibility of Indanthren Dyes
| Sector | Application Area | Compatibility | Notes |
|---|---|---|---|
| Household Textiles | Towels, bed sheets, duvet covers, tablecloths, upholstery 🏠 | ✅ High | Resistant to frequent washing and sunlight. |
| Healthcare | Surgical gowns, hospital sheets, medical textiles 🏥 | ✅ High | Strong resistance to bleaches and disinfectants. |
| Work & Industry | Workwear, protective garments 🛠️ | ✅ High | Ideal for areas requiring chemical and physical durability. |
| Military & Security | Military, police, firefighter uniforms 👮♂️ | ✅ High | Excellent light and wash fastness ensures long-term use. |
| Outdoor Textiles | Tents, awnings, sunshades ⛺ | ✅ High | Resistant to UV radiation and outdoor conditions. |
| Fashion & Sportswear | Sports clothing, swimwear 👕 | ✅ Medium-High | Colors are more subdued, limited in fashion; ideal for sports/marine use. |
| Textile Production | Yarn-dyed fabrics, striped and checkered fabrics, sewing threads | ✅ High | Withstands processes like sizing, mercerization, bleaching. |
| Decorative Textiles | Curtains (especially sun curtains), upholstery fabrics | ✅ High | High light fastness makes them advantageous for decorative use. |
📋 Complete VAT Dye List (Representative Selection)
| Color Category | Examples (C.I. Name) | Notes |
|---|---|---|
| Black ⚫ | Vat Black 8, Vat Black 9, Vat Black 16, Vat Black 25, Vat Black 27, Vat Black 29 | Widely used in workwear, uniforms, and industrial textiles. |
| Blue 🔵 | Vat Blue 1 (Indigo), Vat Blue 4, Vat Blue 5, Vat Blue 6, Vat Blue 14, Vat Blue 20 | Indigo-based dyes, essential for denim and yarn-dyed fabrics. |
| Red 🔴 | Vat Red FBB, Vat Red 13, Vat Red 18 | Strong wash/light fastness, used in decorative and fashion textiles. |
| Yellow 🟡 | Vat Yellow 1, Vat Yellow 2, Vat Yellow 4, Vat Yellow 10, Vat Yellow 11, Vat Yellow 33, Vat Yellow 46 | High light fastness, often used in outdoor textiles. |
| Green 🟢 | Vat Green FFB, Vat Green 1, Vat Green 3 | Resistant to bleaching, suitable for sportswear and outdoor fabrics. |
| Brown 🟤 | Vat Brown BR, Vat Brown 1, Vat Brown 3 | Common in upholstery and decorative textiles. |
| Grey/Olive ⚪ | Vat Grey M, Vat Grey 3B, Vat Grey BG, Vat Olive T, Vat Olive R | Neutral tones, used in uniforms and industrial fabrics. |
| Violet/Orange 🟣🟠 | Vat Violet 1, Vat Orange 1, Vat Orange 2 | Less common, but used for specialty fashion and decorative textiles. |
Key Points
-
Indigo (Vat Blue 1) is the most famous VAT dye, central to denim production.
-
VAT dyes are water-insoluble, applied in reduced soluble form, then oxidized back to insoluble form inside the fiber.
-
They offer excellent wash, light, and bleach fastness, making them ideal for demanding applications.
-
Compared to sulfur dyes, VAT dyes are superior in chlorine resistance and longevity.
