Superglue (CA) has a shelf life. Did you know that? In order to guarantee the freshness of our adhesives, Mercury Adhesives refuses to use PRIME. How long has that superglue been sitting on an Amazon Warehouse shelf? We don't know, but we know the age of our glues. Mercury Adhesives is the ONLY superglue manufacturer with an unconditional guarantee! DESCRIPTION: Mercury M5T Instant is a very low viscosity cyanoacrylate and was developed for demanding high speed wicking applications. Excellent adhesion and cure speed on difficult to bond plastics and rubbers and contaminated or acidic surfaces. APPLICATIONS: High performance wicking and bonding of close-fitting parts including: plastics, rubbers, metal, wood, leather, fabric and composites to themselves or in various combinations. * Made in the USA - With US and Globally Sourced Materials