DOWELLATOL SPW-16
Formaldehyde scavenger
Chemical & Physical Data:
Appearance: Colorless liquid
Solid content/%: 29.0~31.0
pH (10%): 2.5~4.5
Charge: Anionic
Properties:
lDOWELLATOL SPW-16 can effectively clear the formaldehyde in the leather. The use of spray treatment, the best removal of formaldehyde.
lDOWELLATOL SPW-16 is suitable for chrome-free tanned leather and chrome leather retanned with amino resin retanning agent, formaldehyde-containing synthetic tanning agent.
lNo matter the way of spraying or adding into the drum, DOWELLATOL SPW-16 basically does not affect the color of the leather.
Application:
lFormaldehyde scavenger: water = 1:2-5, formulated as an aqueous solution.Spray on the flesh layer of leather.The dosage of DOWELLATOL SPW-16 depends on the formaldehyde content and it can effectively clear the formaldehyde.
lThe formaldehyde removal of chrome-free tanned leather in the drum, it is suggested that formaldehyde scavenger is added for 30min before adding formic acid in the dying and fatliquoring processes. Suggestion dosage: 1.0-3.0%
lThe formaldehyde removal of chrome leather retanned with amino resin retanning agent, formaldehyde-containing synthetic tanning agent in the drum, it is suggested that formaldehyde scavenger is added after the dying, fatliquoring and washing processes for 40min. Then no longer washing process. Suggestion dosage: 1.0-3.0%
Packing:
60L plastic drum
Storage:
1 year storage in sealed original package at 5-35℃. Avoid long-time exposure in the sunlight or freezing environment. Drums should be tightly resealed each time, and their contents should be used up as soon as possible after they have been opened. Non-dangerous chemical.