Salt-free pickling agent
Chemical & Physical Data:
Modified benzene sulfonic acid
SolubilitySoluble in water at any ratio
1.DOWELLON FSP is a non-swell acid, applicable in deliming and pickling process. In pickling, it can reduce the use of salt and salt pollution in waste water.
2.The product is applied in pickling stage to give better absorption; penetration and distribution of chrome thus reduce the use of chrome and improve the quality of wet blue stock.
3.It can eliminate the neck wrinkles and improve the flatness of the grain.
4.For chrome-free tannage and wet-white stock, picking with DOWELLON FSP will give better penetration of syntans and vegetable tanning agents.
5.Used in pickling of fur skins, it can reduce hair slips problem.
Usually, in pickling, use 1.0%-2.0% DOWELLON FSP, It can be combined with 0.2%-0.5% formic acid and run for about 60 minute until pH is reached to required level. Chrome tannage can be carried out as normal.
120L plastic drum
1 year storage in sealed original package at 5-35℃.Drums should be tightly resealed each time after material is taken from them, and their contents should be used up as soon as possible after they have been opened. It may forms slight deposits if the product has been stored for a long time, but its properties will not be changed. It is suggested to stir this product well before use. Direct contact with this product may irritate skin and mucous membrane，rinse with running water when contact with skin.Non-dangerous chemical.