Robuta

https://pubchem.ncbi.nlm.nih.gov/compound/Dime-Cyclosiloxane-w_-Methacryloxypropyltrimethoxysilane_Tetramethoxysilane-_-Dime_-MeH-Siloxane Dime Cyclosiloxane w/ Methacryloxypropyltrimethoxysilane,Tetramethoxysilane & Dime, MeH Siloxane -... dimecyclosiloxanewmeh