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High thermal stability suitable for processing temperatures up to 800 °C.
Excellent lightfastness and weather resistance, meeting ISO 105-B02 Class 7–8.
Low oil absorption (< 22 g/100 g) enabling high pigment loading and efficient dispersion.
Non-hazardous formulation compliant with REACH Annex XIV and RoHS 2.0 directives.
Consistent particle size distribution (D50 ≈ 0.8–1.2 µm) ensuring uniform color development and gloss retention.
Ceramic glazes and underglaze decorations for tableware and architectural tiles.
High-temperature coatings for industrial furnaces, exhaust systems, and heat-resistant appliances.
Coloration of inorganic binders in refractory mortars and fireproofing materials.
Pigmentation of glass enamels and frits for automotive and decorative glass applications.
Stabilized coloring agent in phosphate-bonded investment casting slurries.
| Chemical Type | Complex iron-chromium oxide spinel (Fe,Cr)₂O₃-based |
| Product Form | Free-flowing fine powder |
| Appearance | Brilliant brick-red to maroon dry powder |
| Primary Applications | Ceramics, high-temperature coatings, refractories, glass enamels |
| Key Features | Thermal stability, UV resistance, chemical inertness, low solubility in acidic/alkaline media |
| Benefits | No blooming or migration; maintains hue integrity after firing; non-toxic and heavy-metal-free |
| Shelf Life | 36 months when stored in cool, dry, ventilated conditions away from direct sunlight |
| Recommended Dispersant | Acrylic or polyacrylate-based dispersants for aqueous systems; silicone oils for solvent-based media |
Q1: What is the primary chemical composition of CATHAYGRAN Red F2200GS?
A: CATHAYGRAN Red F2200GS is an iron oxide–based inorganic pigment, primarily composed of hematite (α-Fe₂O₃), engineered for high thermal stability and consistent red hue in demanding processing environments.
Q2: Is this pigment suitable for use in polyolefin compounds processed at high temperatures?
A: Yes — F2200GS is specifically formulated for excellent thermal stability and is widely used in polypropylene and polyethylene applications, including injection molding and extrusion processes where peak temperatures exceed 260°C.
Q3: How does F2200GS perform in terms of UV resistance and weathering stability?
A: As a fully inorganic iron oxide pigment, F2200GS exhibits outstanding UV resistance and long-term weathering stability, making it well-suited for outdoor applications without significant fading or chalking under prolonged sunlight exposure.
Q4: Can F2200GS be used in food-contact plastic formulations?
A: CATHAYGRAN Red F2200GS is manufactured to meet general purity requirements for pigments intended for indirect food-contact applications; however, final regulatory compliance depends on the full formulation, processing conditions, and applicable regional regulations — users must conduct their own due diligence and validation.
Q5: What is the typical dosage range for achieving optimal color strength in polymer systems?
A: Dosage is formulation-dependent, but F2200GS is generally effective at low concentrations — typically ranging from 0.1% to 2% by weight — with excellent dispersion behavior and minimal impact on mechanical properties when properly compounded.
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