Aquaseal NEO Neoprene Contact Cement Aquaseal NEO is a fast-acting, durable black contact cement for wetsuit repair. It bonds permanently to neoprene and other coated materials, and cures to an elastic rubber that stretches and bends with fabrics. It's abrasion-resistant and waterproof. Repair rips and tears in wetsuits, waders, gloves, booties, and spray skirts in just half an hour.