In the printing industry, especially when it comes to printing on T-shirts, textiles, and other soft substrates, plastisol ink is an indispensable material. Among them, opaque plastisol ink is highly favored by designers and printers due to its high opacity and rich color performance. This article will delve into how to properly use opaque plastisol ink and introduce several related special inks, including neon plastisol ink, old gold plastisol ink, over-curing plastisol ink, and pantone plastisol ink. I. Understanding the Basic Characteristics of Opaque Plastisol Ink Opaque plastisol ink boasts high opacity, capable of producing vivid colors on various colored substrates. It primarily consists of resin, pigments, plasticizers, and fillers,