EPRINT product adopt of original ink from USA which have international standart of material also phisical & chemical parameter. So EPRINT also have international standard.
EPRINT  ink Safe Guaranty, Stable, and won't make any damage of printer head.
The Ink Test proof that EPRINT ink similar with original ink and can be used for most of medium printing media, such as carbon paper, special inket paper, films, photo paper, special paper, card paper, etc.
Durability of also have been tested with all condition, such as high temperatur, low temperatur, hot to cold and also cold to hot drasticly changed. By those test have been proofed that  EPRINT  can useful and good for all condition.