Micro-Centrifuge Tubes have molded external graduation marks at 100μl increments that are clear and easy to read, similar in style to marks used on graduated glassware. Tubes have a flat frosted top and a frosted marking area on the side of tube for writing. Hinged lid provides a soft piercing point for inserting a needle. Made from a clear copolymer designed for high speed centrifugation and boiling. Material: Polypropylene (HP) Hydrophobicity: Slightly Greater Boiling Suitability: Yes Cap Closure: Firm and Positive Graduations marked at every 100Î1⁄4l to provide easy sample estimation Solidly constructed for high speed centrifugation Centrifugation Rating for all tubes is >20,000xg All tubes are autoclavable All tubes have a writing area Maximum Recommended Temperature for all tubes is 121oC Minimum Recommended Temperature for all tubes is -90oC Certified RNase, DNase & DNA freeShipping Weight: 4.4099 lbsShipping Dimensions: 9.00 x 6.00 x 5.25Research or further manufacturing use only, not for food or drug use.
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