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.