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A variety of seals for the protection of lab samples from contamination are available at VWR. Secure microplate samples with films, foils, and sealing tapes; select products appropriate for ELISA, PCR, cold storage, and general incubation. Sealing mats minimize evaporation and eliminate cross-contamination. For beakers, flasks, petri dishes and other labware, choose sealing films that are heat or chemical resistant. Insure sample integrity with security seals that provide evidence of tampering. Mechanical seals are also offered.

A variety of seals for the protection of lab samples from contamination are available at VWR. Secure microplate samples with films, foils, and sealing tapes; select products appropriate for ELISA, PCR, cold storage, and general incubation. Sealing mats minimize evaporation and eliminate cross-contamination. For beakers, flasks, petri dishes and other labware, choose sealing films that are heat or chemical resistant. Insure sample integrity with security seals that provide evidence of tampering. Mechanical seals are also offered.


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Supplier: Ace Glass
Description: NW (DN) flange glass to glass sealing gasket featuring a PTFE carrier and o-ring available in Viton® (–26 to 240 °C) or FVMQ flurosilicone (–60 to 230 °C).

Small Business Enterprise

Catalog Number: (47734-815)
Supplier: Corning
Description: Axygen microplate heat sealing films are designed for applications ranging from PCR and Real-Time PCR to storage.

Supplier: Corning
Description: Axygen® ImpermaMat sealing mats minimize evaporation in a wide range of temperatures in PCR and storage applications. ImpermaMats are chemically resistant, reusable sealing mats, that provide a high degree of confidence.
Supplier: Ace Glass
Description: Silicone is a “rubber-like” compound of silicone, (itself a polymer) containing silicon with carbon, hydrogen, and oxygen. It is non-reactive and stable, with good temperature resistance. Generally red in color, Silicone O-Rings have an excellent compression set.

Small Business Enterprise Product available on GSA Advantage®

Supplier: Ace Glass
Description: Gaskets are designed for mating ground flange surfaces on reactor flasks and matching heads.

Small Business Enterprise Product available on GSA Advantage®

Catalog Number: (37000-548)
Supplier: Thermo Fisher Scientific
Description: The polyolefin acrylate sealing tapes minimize evaporation and protect samples from contamination and spilling.

Supplier: AGILENT TECHNOLOGIES, INC (CSD)
Description: These O-rings are equivalent to PerkinElmer ICP-OES O-rings for complete confidence.

New Product

Supplier: Thermo Scientific
Description: Save time and minimize the risk of cross-contamination with Thermo Scientific™ SureSTART™ Level 3 WebSeal™ 96-well plate sealing mats for well plate kits. Select SureSTART Level 3 products for ultimate performance and sensitivity from your methods while maintaining the highest levels of sample security and integrity.

Supplier: AZENTA US, INC
Description: The clear weld heat seal is an optically clear polymer film forms a permanent complete seal to polypropylene plates, enabling both low and very high temperature uses, including low temperature storage and high temperature incubations.

Supplier: Corning
Description: Multiple formats for specific and precise fit on 96-well and 384-well plates and blocks.
Supplier: Thermo Scientific
Description: These sealing mats are placed directly on the microplate by hand or with an applicator.

Catalog Number: (89499-574)
Supplier: Thermo Fisher Scientific
Description: Clear adhesive seal prevents evaporation during sample storage or thermal cycling, while still allowing samples to be accessed by piercing foil with pipette tips.


Supplier: Beckman Coulter
Description: Ø int.: 17.0 mm, Rotor O-ring (small), with 21 mm O.D.

Catalog Number: (89235-686)
Supplier: Ace Glass
Description: This mixed-material o-ring kit is packaged in a clear, plastic box with a re-sealable lid that lets you see the o-rings inside

Small Business Enterprise Product available on GSA Advantage®


Supplier: AGILENT TECHNOLOGIES, INC (CSD)
Description: Agilent provides a range of high-quality liner O-rings for various third party GC systems.

Catalog Number: (AGA8961008)
Supplier: AGILENT TECHNOLOGIES, INC (CSD)
Description: Captiva ND enables in-well protein precipitation. Captiva ND Lipids removes biofluid phospholipids.


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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
This product is marked as restricted and can only be purchased by approved Shipping Accounts. If you need further assistance, email VWR Regulatory Department at Regulatory_Affairs@vwr.com
-Additional Documentation May be needed to purchase this item. A VWR representative will contact you if needed.
This product has been blocked by your organization. Please contact your purchasing department for more information.
The original product is no longer available. The replacement shown is available.
This product is no longer available. Alternatives may be available by searching with the VWR Catalog Number listed above. If you need further assistance, please call VWR Customer Service at 1-800-932-5000.
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