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Cobalt Green – PG505A High-Purity Inorganic Green Pigment
PG505A
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Introduction
Kela Materials presents Cobalt Green (PG505A), a high-purity inorganic green pigment engineered through high-temperature calcination to deliver exceptional color stability and thermal resistance up to 1000°C.

Also known as cobalt-titanium green or “Green 50,” PG505A offers a brilliant yellow-tinted green shade with strong saturation and excellent dispersion in multiple systems.

The pigment provides outstanding resistance to weathering, acids, and alkalis, while its high infrared reflectance makes it suitable for energy-saving and heat-management coating applications. PG505A is environmentally safe and completely non-toxic.
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Product Parameter
产品型号钴绿550
颜料索引号PG-550
CAS号68186-85-6
化学式Co/Ti
晶相结构尖晶石型
密度g/cm34.01-5.01
PH值8.1
吸油量g/100g16~22
细度μm0.8~1.5μm
耐热℃≤1000
耐光性8
耐酸性5
耐碱性5
Product feature
• High thermal resistance up to 1000°C
• Strong color saturation with bright yellow-green hue
• Excellent acid and alkali resistance
• Outstanding outdoor weather durability
• Easy dispersion in various resin and coating systems
• High infrared reflectance for heat-control applications
• Environmentally safe and non-toxic; no chromium-based heavy metals

FAQ

What is Kela Cobalt Green PG505A?
Kela Cobalt Green PG505A is a high-purity inorganic green pigment produced by high-temperature calcination, offering a bright yellow-tinted green shade and excellent thermal and chemical stability.

What are the main advantages of PG505A?
It provides high heat resistance (up to 1000°C), strong color saturation, excellent acid and alkali resistance, outstanding outdoor weatherability, and high infrared reflectance for heat-control coatings.

Where is PG505A typically used?
In high-temperature coatings, fluorocarbon and industrial coatings, engineering plastics, plastic masterbatch, PVC/UPVC profiles, ceramics, enamel, glass coloration, and premium decorative applications.

Is PG505A environmentally safe?
Yes. PG505A is an environmentally safe, non-toxic inorganic pigment and does not rely on lead chromate or other restricted heavy-metal systems.

Can PG505A be combined with other pigments?
Yes. It can be blended with other inorganic and organic pigments to fine-tune the green shade, chroma, and functional performance in different resin systems.
Application area
• High-temperature coatings
• Fluorocarbon coatings and industrial protective paints
• Engineering plastics and plastic masterbatch
• PVC and UPVC window and door profiles
• Ceramic and enamel coloration
• Glass coloration and specialty decorative materials
• Artistic pigments and high-stability color applications