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High thermal stability suitable for demanding high-temperature processing up to 300 °C.
Excellent lightfastness and weather resistance for long-term outdoor performance.
Halogen-free, heavy-metal-free formulation compliant with global regulatory standards including REACH and RoHS.
Optimized dispersibility in both polar and non-polar polymer matrices.
Consistent batch-to-batch color reproducibility and high tinctorial strength.
Engineering plastics including polyamide (PA), polybutylene terephthalate (PBT), and polyphenylene sulfide (PPS).
Automotive interior and exterior components requiring UV and heat resistance.
Electrical and electronic housings where halogen-free flame retardancy support is critical.
Industrial coatings for metal and plastic substrates exposed to harsh environments.
High-performance masterbatches for wire & cable jacketing and connectors.
| Chemical Type | Metal oxide complex pigment |
| Product Form | Free-flowing powder |
| Appearance | Brown to dark brown granular powder |
| Primary Applications | Engineering thermoplastics, high-temp coatings, E&E components |
| Key Features | Halogen-free, heavy-metal-free, thermally stable |
| Recommended Carrier Resin | Polyamide or polyolefin-based carriers |
| Storage Conditions | Store in dry, cool conditions (<25 °C) in original sealed packaging |
| Regulatory Compliance | REACH registered, RoHS compliant, no SVHCs above threshold |
Q1: What is the primary application area for Renol Brown HFR-HW 30?
A: Renol Brown HFR-HW 30 is specifically developed for high-temperature, high-performance polymer applications — particularly in engineering thermoplastics such as polyamide (PA), polyphenylene sulfide (PPS), and polyetherimide (PEI) — where thermal stability, color consistency, and halogen-free flame retardancy support are required.
Q2: Is this pigment compatible with halogen-free flame-retardant (HFFR) systems?
A: Yes — Renol Brown HFR-HW 30 is formulated to remain stable and non-reactive in the presence of common halogen-free flame retardants (e.g., metal hydroxides, phosphinates, or intumescent systems), minimizing discoloration or degradation during compounding and processing.
Q3: How does Renol Brown HFR-HW 30 perform under prolonged thermal stress?
A: This pigment exhibits excellent thermal stability, retaining its brown hue and dispersion integrity during extended residence times at temperatures up to 320 °C — making it suitable for demanding extrusion and injection molding processes in engineering plastics.
Q4: What is the typical dosage range in polymer compounds?
A: Dosage depends on formulation requirements and desired shade intensity, but it is generally used at low concentrations — typically ranging from 0.1% to 2% by weight — with optimal dispersion achieved using standard high-shear compounding equipment.
Q5: Does Renol Brown HFR-HW 30 contain heavy metals or restricted substances?
A: No — this pigment is manufactured without lead, cadmium, mercury, or hexavalent chromium, and is designed to meet global regulatory expectations for restricted substances in plastics, including RoHS and REACH SVHC considerations.
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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
