Prussian Blue Pigment - 100% Organic Powder, Deep Blue Color For Rubber, Plastics & Paints | Industrial Grade Quality, Versatile Applications

Oswal Colour Chem is a renowned trader and exporter of premium-quality dyes based in Kolkata, West Bengal, India. Established in 1990, we have built a strong reputation in the global colorant industry through our unwavering commitment to quality, innovation, and customer satisfaction. Over the past three decades, we have become a trusted name in the field of Solvent Dyes, Yellow Dyes, Blue Dyes, Powdered Dyes, and Oil Soluble Dyes, catering to a wide spectrum of industries across India and abroad.Since our inception in 1990, Oswal Colour Chem has steadily evolved from a modest trading firm into a reputable organization with a broad network of suppliers and clients worldwide. Our journey has been guided by our founders’ vision to create a company that delivers high-performance coloring solutions th