Xov Xwm Tuam Txhab

Txoj Kev Marking Xim Rosin Ester

2022-10-26

Ua cov khoom ncua kev ntsuas cua sov rau cov neeg siv khoom:

Cov txheej txheem xeem: ua qhov ntsuas thermal stability nyob rau hauv cov cua kub 230 degrees, raws li cov duab rau cov neeg siv los sau ntawm 2.5H, 5H, thiab tom qab txias

 

Cov txiaj ntsig xeem: dhau



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