The silane coupling agent SI69 is red in color and tends to change color easily. Does anyone know how to deal with this?

2020-06-05View Original

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The silane coupling agent SI69 is red in color and tends to change color easily. Does anyone know how to deal with this?

Reply #22020-06-07

Does anyone know how to deal with this?

Reply #32022-03-17

It is mainly influenced by free sulfur and alkalinity; a method involving weak acid washing followed by freezing to precipitate sulfur can be used. For long-term stability, activated carbon adsorption can be considered, though it is somewhat expensive

Reply #42022-03-25

Hello, may I ask for some in-depth guidance?

Reply #52022-03-31

I have been away from this industry for several years; I used to work in it for over a decade focusing on technology research and development

Reply #62022-07-09

Hello, after reading your reply, I’m curious to know in more detail how pickling combined with cryogenic desulfurization works

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