OPTIWELD checks every box with the following product features.

• Light-Cure in 30 seconds and self cure in 3-4 minutes.
• Opaque white color and radiopaque
• High viscosity similar to post-core material
• High micro-tensile strength
• 3.3% volumetric shrinkage.  Among the lowest values of all dual cure materials.
• $55 for Mini 4g tube, or $85 for Regular 8g tube.