These colorful snap-on closures are an effective way to recap blood drawing tubes, glass test tubes, and plastic culture tubes. They are precision molded from low-density polyethylene (LDPE) and maintain a tight seal during centrifugation, agitation, and refrigeration procedures. They are available in bright attractive colors for sample identification purposes. The caps feature one thumb tab for easy removal of the cap. This feature also allows more tubes to be stacked closely in racks than our line of double thumb tab caps.
Lab Supplies’ plastic culture tubes are produced in polystyrene (PS) or polypropylene (PP). The polystyrene tubes can withstand 1500 RPM during centrifugation. polypropylene tubes can withstand 3000 RPM and are autoclavable and freezable.
Lab Supplies’ extensive line of disposable microcentrifuge tubes is available in either polypropylene (PP) or polyethylene (PE). Sizes range from 0.5mL to 2mL. in a variety of colors. These tubes are offered with attached caps or without caps. Graduated tubes facilitate accurate sampling. The polypropylene (PP) tubes are resistant to most chemical reagents and can be autoclaved at 130oC. The polyethylene (PE) tubes are softer and can be easily cut to provide access to the material at the bottom of each tube.
Lab Supplies offers a large selection of high-quality general purpose scew cap centrifuge tubes to choose from. non sterile, sterile, DNase-, RNase-, available in racks and bags.
These high quality centrifuge tubes are molded from polypropylene (PP) and feature flat-top, leak resistant caps. The tubes are printed with black graduation marks and have a large white writing area.
Sterile tubes have attached screwcap
Black printed graduations in 0.5mL increments
White printed writing space
Autoclavable (without caps)
Lab Supplies offers a comprehensive selection of XRF Sample Cups and associated thin films to fit virtually any XRF instrument. Be it single open-ended or double open-ended, we have sample cups to fit these analyzers; Oxford, Spectro, PANalytical, Rigaku, Horiba, Niton, Bruker, ARLThermo.
Certified screw and crimp style, clear or amber glass headspace vials, and associated various neck diameter head space closures are engineered to ensure there is no sample contamination while providing consistent, secure seals. Flat-bottom; round-bottom styles for use in a wide variety of headspace instrument. The vials and closure are suitable for a wide range of applications including environmental, petrochemical, pharmaceutical, material science, and more.
Available neck diameter: ND9 – ND24
These traditional style test tube holders are lightweight, compact and unbreakable. They take up less space on the benchtop to provide a larger work area. They are produced from durable polypropylene (PP) and can be autoclaved at 121oC for 20 minutes.
Manufactured from durable reinforced polypropylene (PP)
Three tiered design holds tubes securely
Sturdy handles facilitate easy transport
4 color options for organization of samples or benchtop
These innovative plastic test tube racks are shipped flat in order to reduce shelf space and then simply snap together for use. The special design allows all samples to be incubated at the same temperature. These racks can be used in freezers without deforming or going brittle. They will not rot, rust or deform. Alphanumeric markings are molded into the racks to provide easy test tube identification. They are available in assorted colors for sample coding or aesthetics.
Non-floating in water baths
Stackable when empty
Molded from reinforced nylon for strength and durability with no coatings to chip, peel, or rust
Single piece, three (3) tier grid design for secure and stable racking of tubes
Good temperature and chemical resistance to withstand a variety of lab procedures
Large, flat endplates for labeling and easy sample identification
Dense nylon material will not float in water bath
15mL conicals fit in 20mm racks and 50mL conicals fit in 30mm racks
Seven colorful options to keep samples and benchtop organized
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