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High thermal stability up to 800 °C, suitable for high-temperature ceramic and enamel applications.
Excellent lightfastness and weather resistance, maintaining color integrity under prolonged UV exposure.
Chemically inert in acidic and alkaline environments, ensuring compatibility with diverse binder systems.
Low oil absorption (< 25 g/100g), enabling high pigment loading and efficient dispersion in coatings and plastics.
Non-toxic and heavy-metal-free formulation, compliant with REACH and RoHS regulatory requirements.
Ceramic glazes and decorative tiles requiring stable color at firing temperatures.
Architectural coatings and exterior wall paints demanding long-term color retention.
Plastic coloration for automotive interior components and outdoor consumer goods.
Industrial powder coatings for metal furniture, fencing, and construction hardware.
Specialty inks for heat-resistant packaging and ceramic decals.
| Chemical Type | Mixed Metal Oxide (Cobalt-Chromium-Spinel based) |
| Product Form | Fine, free-flowing powder |
| Appearance | Dark bluish-green granular powder |
| Primary Applications | Ceramics, coatings, plastics, inks |
| Key Features | Heat resistant, lightfast, chemically stable, non-toxic |
| Particle Size (D50) | 0.8–1.2 µm |
| Bulk Density | 2.4–2.6 g/cm³ |
| pH (10% aqueous slurry) | 6.5–7.5 |
Q1: What is the primary chemical composition of Yipin 4140?
A: Yipin 4140 is a mixed-metal oxide pigment based on iron and chromium, engineered to deliver stable brown-to-black hues with excellent thermal and lightfastness.
Q2: Is Yipin 4140 suitable for high-temperature polymer processing?
A: Yes — it exhibits strong thermal stability and is commonly used in engineering thermoplastics such as polyamide, polypropylene, and polyester processed at temperatures up to 300°C.
Q3: Can Yipin 4140 be used in food-contact plastics?
A: It is formulated to meet general requirements for non-migrating inorganic colorants in food-contact applications; however, final regulatory compliance depends on the full formulation, processing conditions, and applicable regional regulations.
Q4: How does Yipin 4140 perform in UV-exposed outdoor applications?
A: As an inorganic oxide pigment, it offers inherently high UV resistance and weatherability, making it well-suited for long-term outdoor use in coatings, construction materials, and exterior plastic profiles.
Q5: What is the typical dosage range for Yipin 4140 in polymer masterbatches?
A: Dosage is formulation-dependent, but it is generally used at low concentrations — typically ranging from 0.1% to 2% by weight — to achieve consistent, opaque coloration without compromising mechanical properties.
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