Table 1.
Ingredients (phr) | Symbols | |||
---|---|---|---|---|
Control | NaB | NHB | ZB | |
Silicone rubber | 100 | 100 | 100 | 100 |
Fumed silica | 40 | 40 | 40 | 40 |
Halloysite | 30 | 30 | 30 | 30 |
Calcium carbonate | 5 | 5 | 5 | 5 |
Sodium tetraborate decahydrate | - | 7.5 | - | - |
Ammonium pentaborate | - | - | 7.5 | - |
Zinc borate | - | - | - | 7.5 |
DBPMH | 2 | 2 | 2 | 2 |