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High chroma and excellent color strength for vibrant, consistent red shades.
Outstanding thermal stability up to 280 °C, suitable for demanding processing conditions.
Good lightfastness and weather resistance in outdoor applications.
Excellent dispersibility in both polar and non-polar polymer systems.
Compliant with major global regulatory frameworks including EU REACH and US FDA indirect food contact requirements (21 CFR §178.3297).
Polyolefin masterbatches (PP, PE) for automotive interior components.
Engineering plastics including ABS, PS, and PC for consumer electronics housings.
Wire and cable jacketing compounds requiring long-term color retention.
Blown and cast films for packaging where clarity and hue consistency are critical.
Thermoplastic elastomers (TPE) used in medical device housings and seals.
| Chemical Type | Quinacridone derivative (high-performance organic pigment) |
| Product Form | Free-flowing powder |
| Appearance | Red-violet powder with uniform particle size distribution |
| Primary Applications | Polyolefins, engineering plastics, thermoplastic elastomers |
| Key Features | High heat stability, low migration, excellent dispersion |
| Benefits | Color consistency across processing batches, minimal plate-out, low dust generation |
| Regulatory Status | REACH registered; compliant with ISO 9001 and ISO 14001 manufacturing standards |
Q1: What is the primary chemical class and pigment type of Hostaperm Red E2B 70?
A: Hostaperm Red E2B 70 is a high-performance perylene-based organic pigment, classified under the C.I. Pigment Red 179 category. It is supplied as a press cake with standardized moisture content and dispersibility for industrial processing.
Q2: Is this pigment suitable for food-contact plastics or packaging applications?
A: Hostaperm Red E2B 70 is not certified for direct food-contact applications under major global regulatory frameworks. It is intended for non-food-contact industrial plastics, coatings, and inks where high thermal stability and lightfastness are required.
Q3: What are the recommended dispersion methods for optimal color development in thermoplastics?
A: For thermoplastics such as polyolefins and engineering resins, melt compounding using twin-screw extruders is strongly recommended. Pre-dispersion in carrier resins or masterbatches helps achieve uniform distribution and maximizes color strength and gloss retention.
Q4: How does Hostaperm Red E2B 70 compare to other red perylene pigments in terms of heat stability?
A: This grade offers excellent thermal stability, typically supporting processing temperatures up to 300 °C in short-term melt operations. Its performance exceeds many conventional quinacridone reds in polypropylene and polyethylene applications, particularly under high-shear conditions.
Q5: What is the typical dosage range when formulating colored masterbatches?
A: Dosage depends on the desired shade intensity and base polymer, but it is generally used at low concentrations—typically ranging from 0.1% to 2% by weight in final masterbatch formulations.
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