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资质荣誉DOWELLTAN SPR-31
Acrylic resin retanning agent
Chemical & Physical Data:
Appearance: Light yellow to yellowish brown liquid
Solid content/%: 29.0~32.0
pH(10%): 5.0~6.0
Charge: Anionic
Properties:
lDOWELLTAN SPR-31 can be used in chrome retanning process. it can significantly improve the fullness and tightness of the grain and reduce the stretch.
lDOWELLTAN SPR-31 has good dispersing effect and accelerates the penetration of vegetable tanning materials. It makes the colour lighter and the grain smoother by filling pores in the grain surface.
lDOWELLTAN SPR-31 has good sequestering action on iron therefore it can be used together with vegetable tanning agent without any problems getting iron stains or discoloration.
Application:
lDOWELLTAN SPR-31 is suggested to be used in filling after neutralization and supplementary filling after fatliquoring. Suggestion dosage: 2-5%( 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.
