Available as standard AxyMat or chemically resistant ImpermaMat. Reusable and versatile, Axygen AxyMats minimize evaporation in a wide range of temperatures in PCR and storage applications. These sealing mats are designed specifically for 384-Well PCR microplates and deep well plates with square wells. ImpermaMats are chemically resistant reusable sealing mats that provide a high degree of confidence. For storage applications involving more aggressive solvents; they contain no adhesives or extractables to contaminate samples.