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