Pretreatment Auxiliary for conditioning the bath to let the other auxiliaries perform optimum by eliminating the metal ions available in the bath.

CHELATOL - NA is a multifunctional auxiliary developed as an efficient sequestering ,  dispersing (Protective colloid) and chelating agent for all stages in wet processing.

Nestoquest - SD is a most effective sequestering and dispersing agent for heavy metals like calcium, magnesium and iron.