Glass Colors Cobalt Chromite Blue-Green Spinel PB 36

 

 

FU-GS541 Cobalt Chromite Blue-Green Spinel is a kind of green phase blue pigment, which is a metal oxide miscible pigment synthesized by a variety of metal oxides through high temperature solid phase reaction. It has the crystal structure of spinel, bright color, easy dispersion, and excellent heat resistance, weather resistance, acid and alkali resistance. It's suitable for glass ink, ceramics, high temperature resistant coatings, high temperature resistant plastics and other fields.

 

 

Cobalt Chromite Blue-Green Spinel (PB 36) – Key Features
Unique Color: Offers a distinctive blue‑green to green‑blue shade with a subtle grayish tone – different from pure cobalt blues.

Exceptional Heat Stability: Withstands firing temperatures above 1200 °C, making it ideal for high‑temperature glass inks.

Superior Weathering & Lightfastness: Highly resistant to UV light and outdoor exposure, ensuring long‑term color retention.

Chemical Inertness: Resists acids, alkalis, and solvents, maintaining color integrity in harsh environments.

Regulatory Compliance: The stable spinel structure minimizes metal release, meeting safety standards for glassware.

 

 

CODE NO.	COLOR NAME	COLOR	COMPONENTS	FIRING TEMPERATURE	CAS CODE	DESCRIPTION
GLASS COLORS
FU-GS541	Peacock-Blue		Co-Cr-Al-Zn	450-900°C	68187-11-1	Suitable for low temperature glaze such as high boron glaze or glaze with lead.

 

 

FULLN CHEMICAL Glass Colors Peacock Blue Malachite Blue FU-GS541 C I Pigment Blue 36 is developed for glass surface decoration. FU-GS541 fineness is much smaller and particle size distribution range of D100≦5um. FULLN CHEMICAL glass color Peacock Blue FU-GS541 has good dispersibility and excellent covering ability. Fulln malachite Blue is suitable for glass decoration. FULLN normal glass colors are pure pigments without the flux.

Application: Glass surface, glass ink, ink paste

 

 

General Description

Product：Cobalt Chromite Blue-Green Spinel

 Color Indicate： Pigment Blue 36; C.I：77343

CAS号/CAS NO.：68187-11-1

Chemical Formula： Co(Al,Cr)₂O₄

Value

Specific Gravity(g/cm3) 4.5-5.0

Average Particle Size(µm) ≤1.5

Oil Absorption(g/100g) 20-35

Heat Resistance ≥1200℃

Sieve residue(325 mesh/45µm) ≤0.05％

Moisture ≤0.2％

Product specification

△L +/-0.5

△a +/-0.5

△b +/-0.5

△E max 1.0

 

Advantages in Glass Inks
Unique Aesthetic Appeal

Provides muted, sophisticated blue‑green tones ideal for artistic, architectural, and premium glass products.

High‑Temperature Performance

Remains completely stable during the firing/strengthening processes of glass inks (typically 550–850 °C).

Outstanding Durability

Perfect for exterior applications (façade glass, automotive glass) where color must endure sunlight, weathering, and cleaning agents.

Excellent Adhesion & Consistency

Compatible with glass substrates, ensuring strong adhesion and consistent color reproduction after firing.

Versatility

Suitable for screen, digital, and roller‑coating processes; can be blended with other pigments to expand the green‑blue color range.

 

 

Remark

Package 25KG/Bag, 1000KG/Pallet

 

Why Choose PB 36 for Glass Inks?
Cobalt Chromite Blue‑Green Spinel (PB 36) is the premium choice when a unique blue‑green color combined with extreme thermal stability and weatherability is required. Although it is more expensive than standard cobalt blues, its unparalleled durability and distinctive hue make it indispensable for high‑end architectural, automotive, and decorative glass applications that demand lasting beauty and performance.

 

 

Q: What certificates do you have?

A: Our company has passed ISO9001, ISO14001 and ISO45001 certification. This marks my company in quality management, environmental management and occupational health and safety to a new level! This is the International Organization for Standardization (ISO) for our effective use of management system standards, to improve the environmental quality of employees, improve the safety and quality of engineering projects and other aspects to make a high evaluation and give full affirmation.

FULLN Company is Foshan City and Guangdong Province, "Professional, Fine, Characteristic and Innovative" enterprises. Our enterprise's scientific research ability has been recognized by both Guangdong Province and Foshan City.

 

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