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High tinctorial strength with excellent batch-to-batch consistency for reliable color reproduction.
Optimized dispersibility in aqueous and solvent-based printing ink systems, reducing grinding time and energy consumption.
Good lightfastness and thermal stability suitable for heat-set offset and flexographic printing processes.
Low volatile organic compound (VOC) content, supporting formulation compliance with modern environmental regulations.
Non-hazardous classification under GHS for transport and handling, enhancing workplace safety and logistics efficiency.
Heat-set offset inks for high-speed commercial printing on coated and uncoated papers.
Flexographic inks used in packaging applications including corrugated board and flexible films.
Gravure inks for publication and packaging printing requiring consistent brown hue and gloss retention.
Water-based news inks where low migration and high rub resistance are critical performance requirements.
| Chemical Type | Azo pigment (disazo condensation type) |
| Product Form | Fine powder, free-flowing |
| Appearance | Brown to reddish-brown powder |
| Primary Applications | Offset, flexographic, and gravure printing inks |
| Key Features | High transparency, good dispersion stability, low dust generation |
| Benefits | Enhanced print definition, reduced press downtime, improved ink shelf life |
| Regulatory Status | Compliant with EU REACH; not listed under SVHC candidates (as of latest update) |
| Storage Conditions | Store in dry, cool, well-ventilated area away from direct sunlight and moisture |
Q1: What is the primary application field for Hostaprint Brown RL 34 VP5299?
A: Hostaprint Brown RL 34 VP5299 is specifically developed for high-performance gravure and flexographic printing inks used on flexible packaging substrates, including polyolefins, PET, and metallized films.
Q2: Is this pigment suitable for food-contact packaging applications?
A: Yes — Hostaprint Brown RL 34 VP5299 is manufactured under Clariant’s stringent quality and regulatory compliance framework for food-contact printing inks. Its suitability depends on final ink formulation, processing conditions, and regional regulatory requirements; users must conduct full compliance verification per intended application.
Q3: How does this pigment perform in terms of heat stability and press runnability?
A: It exhibits excellent thermal stability suitable for high-speed gravure and flexo printing processes, with robust resistance to viscosity drift and plate fouling under typical drying temperatures and shear conditions.
Q4: What dispersion characteristics can be expected in standard ink vehicles?
A: The pigment is optimized for efficient wetting and dispersion in aromatic-free and low-VOC nitrocellulose-based flexo/gravure ink systems, typically achieving fine particle distribution and stable rheology without requiring excessive dispersant loadings.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
