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Kela Cobalt Chrome Blue – PB117 High-Stability Spinel Blue Pigment
PB117
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Introduction
Kela Materials presents Cobalt Chrome Blue PB117, a high-stability spinel blue pigment based on cobalt chromite (CoCr₂O₄). This pigment offers a deep, clean blue–green shade, exceptional thermal resistance up to 1280°C, and excellent structural stability under extreme processing conditions.

PB117 provides outstanding UV reflectance, excellent opacity, and strong resistance to chemicals and weathering. Its spinel crystal structure delivers durability far beyond that of organic pigments and standard metal-oxide blues, making it ideal for coatings, plastics, ceramics, and high-temperature industrial applications.
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Product Parameter
颜色深蓝色
颜料索引号CPB-9117
化学式Co/Cr/Al/Zn
密度g/cm34.5
PH值7.6
吸油量g/100g20~26
105℃挥发物%≤0.5%
水溶物%≤0.5%
细度μm48μm
耐热℃≤1280℃
耐光性8
耐酸性5
耐碱性5
Product feature
• Spinel-type cobalt chromite (CoCr₂O₄) blue pigment
• Exceptional thermal resistance (up to 1280°C)
• Strong UV reflectance and stable blue–green tone
• Excellent opacity and fine particle structure
• High resistance to chemicals, acids, and weathering
• Non-migrating, non-bleeding, and highly durable
• Suitable for high-temperature processing environments

FAQ

What is Kela Cobalt Chrome Blue PB117?
PB117 is a cobalt chromite spinel blue pigment offering a stable blue–green shade, high thermal resistance, and excellent durability in coatings, plastics, and ceramics.

How is PB117 different from ordinary cobalt blue?
Cobalt Chrome Blue has higher heat resistance, greater chemical durability, and a more stable spinel structure, making it suitable for demanding industrial applications.

Does PB117 resist acids, alkalis, and solvents?
Yes. It has strong resistance to chemicals and does not migrate or bleed during use.

Where is PB117 typically used?
In high-temperature coatings, masterbatch, ceramics, enamel, glass coloration, and premium industrial materials.

Is PB117 environmentally safe?
Yes. PB117 is a non-bleeding, non-migrating inorganic pigment with excellent stability.
Application area
• High-temperature industrial coatings
• Automotive coatings and protective paints
• Engineering plastics and masterbatch
• Ceramic glazes and enamel coloration
• Glass coloration and architectural materials
• Heat-resistant and UV-stable pigment systems