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Explore the full SP Bel-Art catalog — precision-engineered tools for stirring, sampling, storage, safety, and everyday lab workflows.

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NMR Sample Tube Racks

NMR Sample Tube Racks

Sturdy, stable polypropylene racks are made specifically for organizing and protecting thin-walled Nuclear Magnetic Resonance tubes.Hemispherical wells in the lower deck cradle tubes; end plate handles make transport easyRacks stack securely to conserve bench spaceHolds up to 72 tubes in a 6 x 12 arrayChemical resistant and autoclavableDimensions: 21 L x 11 W x 22 cm H (8.38 x 4.5 x 8.75")

ProCulture Cryotube Floating Bubble Rack

ProCulture Cryotube Floating Bubble Rack

This 20 place polypropylene round floating rack fits most cryotubes and holds them tightly in a circular pattern formed by 12 outer and 8 inner openings.Excellent for holding cryotubes during work or incubationFloats in water; can also be used for quickly thawing frozen cells in a 37 °C water bathEasily remove tubes by holding the center handle and pushing the rack down against the bench until the legs touchDimensions: 6.4 mm (0.25") thick; 95 mm (3.75") in diameter; 19 mm (0.75") long legsAutoclavable

No-Wire Submersible Plastic Test Tube Grip Racks

No-Wire Submersible Plastic Test Tube Grip Racks

Retainer fingers hold tubes firmly in the rack plates with no fear of dislodging, making them perfect for both decanting and water bath work.Fingers allow simultaneous decanting to save valuable timeSpecially formulized plastic allows the rack to submerge in water bathsFingers secure tubes while in water baths to eliminate the risk of diluting or spillingFeatures end plates for labeling as well as numbered and lettered rows for tube identificationFold up sides lock firmly into the grip decks; assembly takes only secondsUnloaded racks are stackableTube size indicated is for grip function; smaller tubes may fit for storage purposesSteam autoclavable at 121 °C (250 °F)

Stack Rack Test Tube Racks

Stack Rack Test Tube Racks

These sturdy, rigid racks feature interlocking end plates with handles for secure stacking when loaded with tubes up to 10 cm (4") long.Includes alpha numeric indexing for easy tube identificationPolypropylene racks have white surfaces that make color comparisons easySturdy and chemical resistant; will not shatter or stainTop shelf height 7 cm (2.75")Steam autoclavable at 121 °C (250 °F)Note: Choose from polypropylene (A) or polycarbonate (B) to best suit your needs.

Cryogenic Storage Labels

Cryogenic Storage Labels

The strong, permanent adhesive on these labels withstands cold storage temperatures and maintains adhesion to glass, plastic, cardboard and more, even in liquid nitrogen.Organize and label samples for short or long-term cold storage down to -196 °CDot and rectangle shapes sized for 0.5 to 2.0 mL cryogenic tubes; 67 x 25 mm rectangle for larger labeling needsAvailable in sheets or rolls; sheets feed through standard ink jet or laser printersOverall thickness is 7 mil; use with non-water soluble inks or Wet Surface Pen F13382-0000Autoclavable at 121 °C (250 ºF)

Solvent-Based Paint Pen Markers

Solvent-Based Paint Pen Markers

Writes on all plastics, glass, metal, wood, paper and cloth, including Teflon® fluoropolymer resins.Precision seal valve provides smooth ink flow and preserves the pen’s life, even if left uncappedWhen dry, the solvent based ink is temperature resistant from 0 °C to 155 °C (32 °F to 310 °F)Markings are insoluble in water or hydrocarbonsResists many solvents, but is easily removed with alcohol or acetoneTEFLON® is a registered trademark of The Chemours Company FC LLC and used under license by Bel-Art Products, Inc.

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