Unique pressure sensitive sealing film is not tacky and will not stick to plates or gloves until you apply pressure. VIEWseal™ is highly transparent to enable precise optical measurement and has a perforated end tab for easy positioning. Made from a polyester/polyolefin laminate that is approximately 5 mil thick. Use with automated equipment and polypropylene, polystyrene, or polycarbonate plates. Films adhere at temperatures from -70C to +110C. 100/pack. RNase/DNase free and non-pyrogenic.