A good order is pretanning with 1% Oxazolidine and retanning with 15% mimosa.
较好的方法是先用1%唑烷初鞣，然后用15 %的荆树皮栲胶复鞣。
2
Depending on the different characters, it can be used as the chrome tanning auxiliary and pretanning agent, and in combination with vegetable tanning agents.
根据不同的特性作为铬鞣助剂、预鞣剂以及与植物鞣剂结合鞣等用途。
3
When some kinds of resin with acid resistance radicals are used in pretanning process, the part of space in skin fibre is occupied by these resin, so the exhaustion of chrome is improved.