Bel-Art Scienceware Write-On 134623075 Green Fluoropolymer  Label Tape, 15yds Length, 3/4" Width, replace with Bel-Art 134820075 Adheres to any clean surface, including PTFEfluoropolymer resin coated materials, and peels off without leaving a sticky residue Marks made with pencil, ball-point pen or solvent ink marker survive most laboratory conditions Tape will withstand a maximum temperature of 157 degree C (315 degree F) for 30 minutes or 80 degree C (176 degree F) for 24 hours and can be used down to -80 degree C (-112 degree F) Excellent for use with write-on multi-roll label tape dispensers; 3" core Withstands a steam autoclaving cycle at 121 degree C (250 degree F) and gamma irradiation between 13.0 and 45.0kGy