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 GreaterBoiling Suitability: YesCap Closure: Firm and PositiveGraduations marked at every 100l to provide easy sample estimationSolidly constructed for high speed centrifugationCentrifugation Rating for all tubes is >20,000xgAll tubes are autoclavableAll tubes have a writing areaMaximum Recommended Temperature for all tubes is 121CMinimum Recommended Temperature for all tubes is -90CCertified RNase, DNase & DNA freeShelf Life ; 5 years after date of manufactureShipping Weight: 1.2701 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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