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High photostability under UV exposure, ensuring long-term color retention in demanding outdoor applications.
Excellent dispersibility in aqueous and solvent-based systems, enabling efficient incorporation and uniform color development.
Good thermal stability up to 220 °C, suitable for medium-temperature processing conditions.
Low migration tendency in polymer matrices, supporting compliance with food-contact and packaging regulations.
Consistent batch-to-batch color strength and hue, backed by Clariant’s stringent quality control protocols.
UV-curable inks for digital printing on flexible packaging and labels.
Coatings for automotive interior trim and dashboard components.
Color concentrates for polyolefin (PP/PE) films used in agricultural and industrial packaging.
Functional inks for security printing and RFID tag antennas requiring lightfast yellow tones.
Decorative laminates and compact laminates for architectural and furniture surfaces.
| Chemical Type | Azo pigment (disazo derivative) |
| Product Form | Free-flowing powder |
| Appearance | Yellowish green crystalline powder |
| Primary Applications | UV-curable inks, coatings, and polymer coloration |
| Key Features | UV stability, low migration, high tinctorial strength |
| Benefits | Reduced formulation complexity, improved process efficiency, regulatory compliance support |
| Storage Conditions | Store in cool, dry place; protect from moisture and direct sunlight |
| Regulatory Status | Compliant with EU REACH; not classified as hazardous per CLP Regulation |
Q1: What is the primary application area for Hostatint UV Yellow GR VP 6038?
A: This pigment is specifically engineered for high-performance UV-curable inkjet inks, including industrial and decorative printing applications where excellent photostability, vivid yellow hue, and efficient dispersion in low-viscosity, reactive systems are required.
Q2: Is Hostatint UV Yellow GR VP 6038 compatible with common UV-curable resin systems?
A: Yes — it demonstrates good compatibility with standard acrylate-based monomers and oligomers used in UV ink formulations, including multifunctional acrylates and epoxy acrylates. Optimal performance requires proper dispersion using high-shear mixing or bead milling.
Q3: How does this pigment perform under prolonged UV exposure?
A: As a dedicated UV-stabilized pigment grade, Hostatint UV Yellow GR VP 6038 delivers enhanced resistance to photochemical degradation compared to conventional organic yellows, supporting long-term color retention in outdoor- and light-exposed printed products.
Q4: What is the recommended dosage range in UV ink formulations?
A: Dosage depends on formulation requirements and desired chroma, but it is typically used at low concentrations — generally ranging from 0.1% to 2% by weight — to achieve strong tinting strength while maintaining ink rheology and cure efficiency.
Q5: Does this pigment require special handling or stabilization additives during ink manufacturing?
A: While the pigment is supplied as a pre-treated, dispersible grade, optimal stability in final ink systems may benefit from complementary stabilizers such as hindered amine light stabilizers (HALS) or appropriate surfactants — especially in demanding long-term storage or high-intensity curing conditions.
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