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資質(zhì)榮譽(yù)DOWELLTAN FR-73
Aluminium tanning agent
Chemical & Physical Data:
Appearance: White powder
Content of aluminium oxide/%: 20.0~24.0
pH (1%)： 3.0~5.0
Solubility: Good
Properties:
lDOWELLTAN FR-73 can be used alone or in combination with chrome tanning agent. The leathers tanned with DOWELLTAN FR-73 are white and can assure a bright colour shade.
lDOWELLTAN FR-73, in combination with non-metallic tanning agent for chrome-free tanning, can improve the leather shrinkage temperature and improve the leather feel.
lDOWELLTAN FR-73 applied in oil tanning can improve the fur shrink temperature and the fullness of oil tanned leather.
Application:
lUsed for fur pretanning process, the dosage is usually 1-4 g/L.
lUsed for tanning process of mink skin, fox skin and raccoon skin, the dosage is usually 1-4 g/L.
Packing:
25KG plastic woven bag
Storage:
This product has s shelf life of 1 year if it is stored in its tightly sealed original packaging at temperature below 5℃ to 35℃. Bags 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.
