Blue opaque pigment" refers to a class of blue-colored pigments that are non-transparent or have low translucency, meaning they effectively cover underlying surfaces or layers when applied. There are several types of blue pigments that are opaque, each with different chemical compositions, properties, and uses. Here's a breakdown: 🔵 Common Types of Blue Opaque Pigments1. Ultramarine Blue (PB29)Chemical composition: Sodium aluminos ... Continue