Starbond® Black Medium CA Glue is a rubber-toughened adhesive built for clean fills, flexible strength, and detailed bonding. With a 15–20 second set time and 150 cps viscosity, this jet-black glue wicks effortlessly into tight cracks, small voids, and inlays—sealing them with a strong, impact-resistant hold. Perfect for accenting spalted wood, repairing small flaws, or locking in detailed parts, it blends into dark surfaces and polishes to a sleek, high-gloss finish. Trusted by makers for both precision and performance.