Pigment Red 170 (PR170) Buyer Guide: Qualifying HP Red 2131 for Coatings, Plastics, and Printing Inks
How to qualify PR170 for coatings, plastics, and printing inks: criteria, red flags, and what to request (SDS/TDS/COA).
Buyer Guides
Pigment Violet 23 (PV23): Specs and Buyer Guide for HP Violet 6172
PV23 buyer guide for HP Violet 6172: key specs, application fit, and a qualification checklist for inks, coatings, and plastics.
Pigment Yellow 151 (PY151) Buyer Checklist: Specs, Fastness, and Qualification
Specs and buyer checklist for Pigment Yellow 151 (HP Yellow 1618): fastness, heat stability, applications, and what to request before approval.
Pigment Yellow 138 Buyer Guide: How to Qualify a Supplier (TDS, SDS, COA)
Qualify Pigment Yellow 138 suppliers with a practical checklist for TDS, SDS and COA—plus key performance criteria for coatings, plastics and inks.