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Ultra Low Metal Tubes for Storage and Analysis

Our MetalFree™ centrifuge tubes are produced to ensure that key trace metals are kept below one part per billion. They can be used for storage and analysis tasks that require extremely low levels of most common metals.

MetalFree™ centrifuge tubes are certified to ensure they contain less than one part per billion of key trace metals.
  • Real World Lab Tested

    Labcon MetalFree™ Tubes are developed using our own in-house laboratory and tested in real labs.

  • Quality Certification

    Certificates are on file with us by lot number for all test results and available from the certificates page.

  • Virgin Resin

    Only 100% Medical Grade ultra low metal polypropylene resins are used in MetalFree™ Tubes. Recycled plastics or commodity grade resins can't be used because they contain contamination.

  • Autoclavable

    MetalFree™ Centrifuge Tubes are autoclavable with a standard 122°C plasticware process for 20 minutes.

  • Freezable

    MetalFree™ Centrifuge Tubes can be used for frozen storage to -80°C.

  • FDA Registered Manufacturing

    Labcon is the only major supplier in our industry to be registered by the U.S. Food and Drug Administration (FDA).

  • Validated Sterile Product

    All SuperClear™ sterile tubes receive a validated irradiation dose following ISO 11137 requirements and have packaging approved for medical use.

  • Test Results Online

    Actual test certificates are available on MetalFree™ tubes for download from the certificates download page.

  • Sustainable Product Design

    Like all Labcon products MetalFree™ tubes are designed from the beginning with sustainability in mind. Our products go far beyond simple recycling to offer real Earth Friendly® solutions.

Metal Free Centrifuge Tube Features


MetalFree™ tubes are lab tested to a detection level of one part per billion for common metals in the tube and the cap using Inductively Coupled Plasma Mass Spectroscopy (ICP).

Labcon MetalFree™ tubes are tested for 21 of the most common metals. This comprehensive certification testing covers most of the metals concerned in environmental testing. An additional list of metals are tested and certified to the 1ppm level.

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About Us

Founded in the San Francisco bay area in 1959, we employ an educated, experienced, and diverse staff. Our primary operations are centered in a 12,000 square meter facility in Petaluma, California, U.S.A


  •  Manufacturing
    3700 Lakeville Highway
    Petaluma, CA 94954 USA
  •  Shipping & Warehousing
    3200 Lakeville Highway
    Petaluma, CA 94954 USA
  •   1.707.766.2100
  •   1.707.766.2199