U-Fix Crystal is a premium-quality, crystal clear, single-component adhesive and sealant based on advanced MS polymer technology. It combines strong elastic bonding with excellent transparency, making it ideal for applications where an invisible bond line is required. The product cures by reaction with atmospheric moisture to form a durable, flexible, and permanently elastic joint or bond. It is free from solvents, isocyanates, and silicones and offers excellent adhesion to a wide range of construction and industrial substrates without the need for a primer.