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CU-PHTHALO BLUE (PB15:3)
Cu-Phthalo Blue (PB15:3) is a beta form Copper Phthalocyanine Blue pigment offering high heat fastness, alkali fastness, acid fastness and solvent fastness properties.

They are the most commonly used for cyan ink in process color printing, and are recommended for plastics, paints, and coatings applications.
CU-PHTHALO BLUE (PB15:3) RECOMMENDED PIGMENTS-CHARACTERISTICS
RECOMMENDED PIGMENT; |
HEAT FASTNESS |
LIGHT FASTNESS |
WEATHER FASTNESS |
ACID FASTNESS |
ALKALI FASTNESS |
SOLVENT FASTNESS |
Phthalocyanine Blue 1531C |
225°C* 30 min *Paints |
Excellent (5 on gray scale) |
Excellent | Excellent | Excellent | |
Phthalocyanine Blue 1532C |
180°C* * 10 min *Inks |
Good (6-7 on blue wool scale) |
Excellent | Excellent | Excellent | |
Phthalocyanine Blue 1533C |
180°C* *10 min *Inks |
Good (6-7 on blue wool scale) |
Excellent | Excellent | Excellent | |
Phthalocyanine Blue 1534C |
300°C* 5 min *Plastics HDPE |
Excellent (8 on blue wool scale) |
Excellent | Excellent | Excellent |
CU-PHTHALO BLUE (PB15:3) RECOMMENDED PIGMENTS-PROPERTIES AND APPLICATIONS
RECOMMENDED PIGMENT | PROPERTIES | APPLICATIONS |
Phthalocyanine Blue 1531C | A greenish blue shade Cu-Phthalo Blue (PB15:3) with β-crystal modification |
Paints and Coatings |
Phthalocyanine Blue 1532C | A greenish blue shade Cu-Phthalo Blue (PB15:3) with β-crystal modification |
Paints, Coatings, Inks |
Phthalocyanine Blue 1533C | A greenish blue shade Cu-Phthalo Blue (PB15:3) with β-crystal modification |
Inks including offset inks, UV inks; water-based and solvent-based liquid inks, sheetfed inks |
Phthalocyanine Blue 1534C | A greenish blue shade Cu-Phthalo Blue (PB 15:3) with β-crystal modification |
Plastics |
VALUE ADDED SERVICES
Advanced Color Matching
Ferro technicians combine their talents with today's most advanced computer color analysis equipment to offer our customers precise color-matching services. Our spectrophotometry process minimizes metamerism, speeds up color matching, ensures consistent quality and helps identify the pigment combination that produces any given color for the lowest possible cost and right performance characteristics, including outdoor durability and NIR reflectance.
Ferro can match your color chip/drawdown or we can refer to complete files of OSHA, Munsel, RAL, Federal Standard 595 Series or Pantone® matching systems to achieve your reference number. All of our colors are matched to Ferro standards or your reference sample, ensuring precise color reproduction from order to order.
Providing Formulation Guides/Assistance with Startup Formula Creation
We assist customers in their product development efforts to ensure regulatory compliance (e.g., usage in food, cosmetics) and desired performance including anticorrosion, outdoor durability and NIR reflectance.

Our laboratory facility teams support customers’ production and development activities, including accelerated corrosion testing, weatherability testing, heat build-up and total solar reflectance testing and migration testing.
Custom Formulations
We work closely with our customers to co-innovate and develop customized high-performing and economical coloring solutions based on application requirements and operational processing needs, including custom formulations for paints, coatings, cement, concrete, inks, ceramics, glass, leather, metal and plastics.
Custom Manufacturing
Ferro provides custom manufacturing services to add value to specific projects, particularly in cases which our production facilities and know-how allow our customers to reach cost-efficiency targets or attain higher performing final products.
Toll Manufacturing
For customers who need additional manufacturing capabilities, we provide a full range of manufacturing capacities, from pilot runs to full-scale production.