News & Insights

PR48:2 vs PR57:1: Which Red Pigment for Your Ink System PR48:2 vs PR57:1: Which Red Pigment for Your Ink System Your offset ink for a high-speed web press just had a viscosity spike at 40°C…

PV23 vs PV19 Comparison Guide PV23 Loses 50% of Its Chroma After 1,000 Hours of QUV-B Exposure. PV19 Loses 3%. That One Data Point Determines Whether Your Violet Coating Still Looks Violet at Year 3.…

Technical Information What Is PG7 Pigment Green 7 (CAS 1328-53-6, CI 74260) is a chlorinated copper phthalocyanine — the most widely consumed organic green pigment in industrial manufacturing. The molecule takes the copper phthalocyanine chromophore…

HP ORANGE 3632 — Water-Based Pigment Orange 13 (PO13) | Honor Pigments Technical Information What Is PO13 The transition from solvent-based to water-based coatings has been underway for two decades, driven by VOC regulations tightening…

Technical Information What Is PO13 Pigment Orange 13 (CAS 3520-72-7, CI 21110) is a disazopyrazolone organic pigment whose chromophore — two azo bridges linking pyrazolone terminal groups into a planar conjugated system — produces a…

HP BLUE 4693 — Pigment Blue 27 (Prussian Blue) | Iron Hexacyanoferrate for Publication Gravure & Industrial Coatings Technical Information What Is PB27 Pigment Blue 27 (CAS 14038-43-8, CI 77510) is iron hexacyanoferrate — Prussian…

Technical Information What Is PB1 Pigment Blue 1 (CAS 1325-87-7, CI 42595:2) is a triarylmethane PTMA lake pigment, molecular formula C₃₇H₂₈N₂Na₂O₈S₂W, occupying the brightest red-shade blue in the organic pigment spectrum—a position phthalocyanine blues cannot…

HP 3357 — Plastics-Grade Pigment Orange 13 (PO13) Low-Warpage PP/PVC | Honor Pigments Technical Information What Is PO13 A plastic part coming out of the mold warped is not a pigment problem — until the…

HP 3434 — High-Strength Ink & Textile Pigment Orange 13 (PO13) | Honor Pigments Technical Information What Is PO13 In solvent-based gravure printing, the orange ink film on the substrate is typically 1 to 3…

220 chemical companies suspended regular reports in May 2026. LANXESS raised prices 20%. Toyo Ink, Sun Chemical, and hubergroup followed. This is not a single-company adjustment. It is the entire organic pigment supply chain repricing…