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High hiding power and excellent brightness for superior whiteness in demanding applications.
Optimized thermal stability for processing at elevated temperatures in polymer compounding.
Low volatile organic compound (VOC) content, supporting sustainable manufacturing requirements.
Excellent dispersion behavior in both polar and non-polar polymer matrices.
Consistent batch-to-batch colorimetric performance with narrow ΔE tolerance.
Polyolefin films and packaging materials requiring high-opacity white pigmentation.
Automotive interior components including dashboards and door panels.
Household appliances housings and technical injection-molded parts.
Engineering plastics such as polyamide (PA) and polybutylene terephthalate (PBT).
| Chemical Type | Organic Pigment (Benzimidazolone-based) |
| Product Form | Free-flowing granules |
| Appearance | White to off-white granular solid |
| Primary Applications | Polyolefins, engineering thermoplastics, films |
| Key Features | Thermally stable, low dust, high dispersibility |
| Benefits | Reduced filter clogging, improved color consistency, enhanced melt processability |
| Recommended Processing Temperature Range | 180–280 °C |
| Compliance | REACH registered; compliant with EU RoHS Directive |
Q1: What is the primary application field for Renol White T-HW 30?
A: Renol White T-HW 30 is specifically developed for use in high-temperature thermoplastic applications, particularly in engineering plastics such as polyamide (PA), polyphenylene sulfide (PPS), and polyetherimide (PEI), where thermal stability and color consistency during processing are critical.
Q2: How does Renol White T-HW 30 differ from standard titanium dioxide pigments?
A: Unlike conventional TiO₂ pigments, Renol White T-HW 30 features a specialized surface treatment optimized for high-shear melt compounding and extended thermal exposure. This enhances dispersion stability, reduces pigment agglomeration, and helps maintain whiteness and brightness in demanding processing conditions.
Q3: Is Renol White T-HW 30 suitable for food-contact or medical-grade polymers?
A: While Renol White T-HW 30 is designed for technical performance in high-end engineering plastics, its suitability for regulated applications depends on final formulation validation and compliance with applicable regional requirements. Customers must conduct full system-level testing to confirm regulatory acceptability for food contact or medical use.
Q4: What is the typical dosage range for optimal performance in engineering thermoplastics?
A: Dosage is formulation-dependent but generally ranges from 0.1% to 2% by weight, depending on the base polymer, desired opacity, and processing method. Lower concentrations are often sufficient due to the pigment’s high tinting strength and efficient dispersion characteristics.
Q5: Does Renol White T-HW 30 require special handling or drying before compounding?
A: Yes — like many high-performance pigments, it is recommended to pre-dry Renol White T-HW 30 prior to high-temperature processing, especially when used in hygroscopic resins. Standard drying conditions (e.g., 80–100 °C under vacuum or dry air) are typically appropriate, but exact parameters should be aligned with the host polymer’s drying protocol.
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E-mail: wangxingqiang@ericwchem.com
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