- Bis-silane porcelain primer is a two-part silane coupling agent used to improve bonding between porcelain restorations and resin cements. - It offers additional shelf-life stability to ensure long lasting effective bonding to porcelain. - It also protects porcelain restorations from contamination, increases mechanical and chemical bonding of resin to the porcelain, and yields greater resistance to water leakage at the bonding interface. Contents: - 1 x bottle bis-silane A 6ml. - 1 x bottle bis-silane B 6ml. **For further product information, please contact Chat Support**