OptiWell™ Sealing Mats are produced from high quality, chemically resistant silicone, and are designed to provide an airtight and liquid-tight seal. The material resists tearing and wear, minimizing the potential for particulate debris. They are compatible with temperatures from -40 to 80°C, can be autoclaved and are also prepped for reuse with a 10% bleach wash with an ethanold rinse. They also feature black alphanumeric printing for easy reference and two types of resealable perforations ("+" and "-"), RNase, DNase and pyrogen free. • Black alphanumeric coding* • Forms a tight seal in plate wells • Perforated mats reseal themselves • RNase, DNase and pyrogen free *on 96 well mats