- A silane coupling agent that treats porcelain to give stronger bonds typically used after the porcelain surface has been etched with Prime dent - Porcelain Etch Gel. - 10% hydrofluoric acid gel conditions porcelain or ceramic surfaces prior to bonding. - Used prior to Prime-Dent Porcelain Bond Enhancer. Set: Porcelain Bond Enhancer Silane 10ml + Porcelain Etchant gel 3 g syringe. **For further product information, please contact Chat Support**