Tough Spots



• Tough Spots are ideally used for labeling 0.5ml, 1.5ml and 2.0ml micro centrifuge
• Tough Spots can withstand freezer temperatures down to -196°C (liquid and vapor
phase nitrogen), boiling water bath (100°C), autoclaving and moderate oven
temperature (150°C).
• Tough Spots can endure sustained humidity and soaking , submersion in boiling
water bath, autoclaving, organic solvents, caustic agents and other challenges
without peeling, degrading or becoming brittle.
• Made with a flexible, polyolefin label material and acrylic adhesive. This unique
combination expands and contracts together with temperature fluctuation
resulting in strong adhesive bond.
• These labels can adhere to most plastics (100% virgin polypropylene tubes
recommended), glass and metals without cracking, peeling or degrading.
• These labels accept writing form most lab markers.

Ordering Details

Code Sizes No./case
U10301 1/2 inches 1000
U10302 3/8 inches 1000
U10303 1/2 inches 5000
U10304 3/8 inches 5000


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