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Fading colours in NPK fertilisers are a sign of thermal degradation. This deep dive by Dr. Anubhav Gupta explains the chemical causes of pigment failure at high temperatures and why transitioning to liquid dyes is the ultimate solution for brand consistency.

Choosing between liquid and powder dyes for NPK fertiliser production is a critical decision for manufacturers. This blog explores how liquid dyes provide superior thermal stability and uniform coloration, helping brands overcome the challenges of high-heat granulation and chemical degradation.