RelyX Unicem Aplicap - White Opaque Refill - Dual-Cure Self-Adhesive Universal Resin Cement, 20 - 295 mg Capsules. #56820. RelyX Unicem Aplicap is a universal resin cement that simplifies techniques by eliminating a complex array of technique-sensitive cement. It has self-adherent and moisture-tolerant properties with improved esthetics for practically all indications, from gold crowns to ceramic inlays.