Polydimethylsiloxane63148-62-9
Polydimethylsiloxane Standard (Mw 5,000) 63148-62-9
Polydimethylsiloxane Standard (Mw 60,000)63148-62-9
Polydimethylsiloxane Standard (Mw 20,000) 63148-62-9
Polydimethylsiloxane Standard (Mw 100,000) 63148-62-9
硅油
硅油
硅油
硅油
二甲基硅油
二甲基硅油