Clariant Hostafine Violet RL Color Paste

Features Of Clariant Hostafine Violet RL Color Paste

1. High chroma violet shade with excellent lightfastness and weather resistance.

2. Optimized for high transparency and clean hue in transparent plastic applications.

3. Excellent thermal stability up to 280 °C, suitable for polyolefin and engineering plastic processing.

4. Good dispersibility in carrier resins without requiring additional dispersing aids.

5. Compliant with major global regulatory frameworks including EU REACH and FDA 21 CFR for food-contact plastics (subject to specific formulation and use conditions).

Typical Applications Of Clariant Hostafine Violet RL Color Paste

1. Polypropylene (PP) and polyethylene (PE) packaging films and containers.

2. Automotive interior components requiring long-term color stability under UV exposure.

3. Household appliances housings and decorative trim parts.

4. Transparent rigid packaging for cosmetics and personal care products.

5. Technical injection-molded parts in medical devices where color consistency and biocompatibility support are critical.

Specifications Of Clariant Hostafine Violet RL Color Paste

Clariant Hostafine Violet RL Color Paste – Frequently Asked Questions (FAQ)

Q1: What types of polymer systems is Hostafine Violet RL Color Paste compatible with?

A: Hostafine Violet RL Color Paste is formulated for compatibility with a broad range of thermoplastics, including polyolefins (PP, PE), PS, ABS, and engineering polymers such as PA and PC. It is not recommended for high-temperature processing above 280 °C without prior evaluation.

Q2: How should this color paste be dispersed in the base polymer?

A: Optimal dispersion is achieved using standard compounding equipment—twin-screw extruders are preferred. Pre-mixing with a portion of the base resin before extrusion improves homogeneity. Avoid excessive shear or prolonged residence time to preserve color integrity and thermal stability.

Q3: Is Hostafine Violet RL suitable for applications requiring lightfastness or weather resistance?

A: Yes—Hostafine Violet RL exhibits good lightfastness and UV stability in many polymer matrices, particularly when protected by UV stabilizers or carbon black. Performance varies with formulation and exposure conditions; accelerated weathering testing is recommended for critical outdoor applications.

Q4: What is the typical dosage range for achieving full shade development?

A: Dosage depends on the desired intensity and polymer transparency, but it is typically used at low concentrations—generally ranging from 0.1% to 2% by weight relative to the base polymer. Transparent applications may require lower dosages, while opaque or heavily pigmented systems may need higher levels for consistent hue.

Q5: Does this color paste contain heavy metals or restricted substances?

A: Hostafine Violet RL Color Paste is manufactured in compliance with Clariant’s Responsible Care principles and meets major global regulatory expectations for general-purpose plastics. It contains no intentionally added lead, mercury, cadmium, or hexavalent chromium. For specific regulatory documentation, consult the latest Safety Data Sheet and Regulatory Compliance Statement.