large format inkjet cartridge for HP Z2100/6100 Ink type:Advanced Pigment EverBrite with chip available. ... match OEM large format inkjet cartridge for HP Z2100/6100Ink information:Pigment,Everbrite,water,UV,fade,Oznone resistant ... and clog up to print headGood weather durability Ink R&D and Quality ControlPhysical features: viscosity,PH value,density,conductivity,spectrum ...