23A00U196: Soft and impermeable aluminum sealing foils with medical grade acrylic adhesive. Once applied, the seal adheres aggressively, forming a tight positive seal preventing evaporation of VOCs, sample loss in storage, drying, cross contamination, and reducing the risk of aerosols and pathogens venting. Suitable for sealing all standard PCR plates, 2-material PCR plates, microplates, and deep well blocks. Perfect for light sensitive samples Easily pierced with single or multi-channel pipettors and probes Withstands long term storage down to -80°C Single tabbed backing paper removes easily; aluminum sheet resist rolling back. Perfect for robotic applications with tab removed, film fits on plate top. All MTC Bio sealing films are manufactured in a cleanroom environment. They are tested and certified on a lot to lot basis to be free of RNase, DNase, DNA, and Pyrogen contamination.