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資質(zhì)榮譽DOWELLTAN SPR-32
Acylic resin retanning agent
Chemical & Physical Data:
Appearance: Yellow transparent viscous liquid
Solid content/%: 29.0~31.0
pH (10%): 6.0~7.0
Charge: Anionic
Properties:
lDOWELLTAN SPR-32 is a retanning agent mainly used for improving grain tightness. When it is used in the retanning stage it has an ability to compress the loose fiber structure and improve the firmness of the leather.
lDOWELLTAN SPR-32 can help to close the pin holes in grain & hair follicles very well. When it is used after main fatliquor the resultant leather will have a very fine and tight grain.
lDOWELLTAN SPR-32 can reduce the loose grain problem to a maximum degree.
Application:
lDOWELLTAN SPR-32 will be well absorbed in high pH value, it is suggested to be used after neutralization,suggestion dosage: 2-4% ( based on shaved weight).
lWhen used after fatliquoring,suggestion dosage: 1-2% .( based on shaved weight)
Packing:
120L 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 after material is taken from them, and their contents should be used up as soon as possible after they have been opened. Non-dangerous chemical.
