These hydroxyl groups will gradually deposit on the inner wall of the expanded perlite pores through condensation, adhesion, accumulation, etc. and form a tough hydrophobic film layer.
These hydroxyl groups will gradually deposit on the inner wall of expanded perlite pores through condensation, bonding, and stacking, forming a tough hydrophobic film layer.
These hydroxyl groups will gradually deposit on the inner wall of the pores of expanded perlite through condensation, gluing and accumulation, and form a tough hydrophobic film.