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High chroma violet shade with excellent lightfastness and weather resistance.
Outstanding thermal stability suitable for high-temperature processing up to 280 °C.
Good dispersibility in both polar and non-polar polymer matrices.
Low migration tendency, ensuring color integrity in demanding applications.
Compliant with major global regulatory frameworks including EU REACH and US FDA (21 CFR §178.3297 for polymer additives).
Automotive interior plastics requiring long-term UV stability.
Engineering thermoplastics such as polyamide (PA), polybutylene terephthalate (PBT), and polycarbonate (PC).
Electrical and electronic housings where color consistency and heat resistance are critical.
Consumer goods including appliance panels and cosmetic packaging.
Industrial coatings for durable outdoor equipment.
| Chemical Type | Quinacridone derivative |
| Product Form | Free-flowing powder |
| Appearance | Violet to reddish-violet powder |
| Primary Applications | Plastics, coatings, and masterbatches |
| Key Features | High tinctorial strength, excellent dispersion, low volatility |
| Benefits | Consistent batch-to-batch performance, minimal filter clogging in extrusion |
| Recommended Processing Temperature Range | Up to 280 °C (short-term) |
| Regulatory Status | REACH registered; compliant with ISO 9001 manufacturing standards |
Q1: What are the primary application areas for Hostaperm RL Violet RL?
A: Hostaperm RL Violet RL is widely used in high-performance industrial coatings, automotive basecoats, and engineering plastics where excellent lightfastness, thermal stability, and clean violet shade are required. It is also suitable for select ink systems demanding strong tinting strength and dispersion stability.
Q2: How does Hostaperm RL Violet RL perform under elevated processing temperatures?
A: As a high-molecular-weight perylene derivative, Hostaperm RL Violet RL exhibits good thermal stability and retains its color integrity during standard melt-processing of polyolefins and engineering thermoplastics, typically up to 280–300 °C for short residence times.
Q3: Is Hostaperm RL Violet RL compatible with common organic solvents and polymer matrices?
A: Yes — it demonstrates good compatibility with aromatic and aliphatic hydrocarbons, ketones, and esters, and disperses effectively in PVC, PS, ABS, and polyolefin systems. Compatibility in polar resins such as acrylics or polyesters may require optimized dispersion protocols.
Q4: What is the typical dosage range when using Hostaperm RL Violet RL in plastics?
A: Dosage depends on formulation requirements and desired opacity or transparency, but it is generally used at low concentrations — typically ranging from 0.1% to 2% by weight — due to its high tinting strength and efficient color development.
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E-mail: wangxingqiang@ericwchem.com
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