A 36 mum soft non-permeable aluminum foil sealing film with strong medical-grade adhesive AlumaSeal(R) II sealing films eliminate the need for heat-sealing devices or mats during thermal cycling. Each sealing film measures 82.6 x 146.1 mm and offers sufficient sealing area for all PCR plates. Length between the perforations with end tabs removed is 125.4 mm. Compared to other aluminum foils AlumaSeal(R) II has less tendency to roll back or itself when removing the backing paper and conforms well to the plate during application. Sterile product is packaged in 100 mum one tamper evident bag of 50Easily pierceable with single or multichannel pipettors and robotic probes Heat cold resistant recommended for temperatures from -80 C to 120 C Certified DNase RNase and Nucleic Acid free Excellent barrier properties virtually no sample evaporation or drying