- Psp Recal Calcium Hydroxide Liner - Recal is a two paste, Radiopaque calcium hydroxide composition. - It serves as a protective barrier between the dentine and pulp and acid containing cements and restorative materials. - It is a rigid, self-setting material and may be used under acrylic and composite restorations. - Base paste 14g, catalyst paste 12g, mixing pad. **For further product information, please contact Chat Support**