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Seals

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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VWR®, Aluminium Foil Seals for PCR and Storage (96- and 384-Well Plates)

VWR®, Aluminium Foil Seals for PCR and Storage (96- and 384-Well Plates)

Supplier: VWR Collection

Aluminium foils, 75,7 µm thick, for use with 96 or 384 well plates. Fit inside the rim of raised rim plates. These foils have one partial width end tab. Available non sterile only.

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VWR®, Sealing Film for Biological Cultures

VWR®, Sealing Film for Biological Cultures

Supplier: VWR Collection

Rayon film with medical grade adhesive. Hydrophobic, porous film in sheeted roll format for sealing tissue culture plates, bio-blocks, and 96-well plates where gas exchange is necessary for cell or bacterial growth.

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VWR®, Black Film Seals for Fluorescence and Photoprotection

VWR®, Black Film Seals for Fluorescence and Photoprotection

Supplier: VWR Collection

These films are 240 µm thick black vinyl with adhesive for use with 96-well, 384-well and 1536-well black microplates. They fit within the edges of raised rim plates and may be applied to either the plate top or bottom. The light blocking and absorbing properties of these films make them ideal for reducing stray light and crosstalk in fluorescence applications and for protecting light-sensitive samples in storage.

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VWR®, Adhesive PCR Foil Seals

VWR®, Adhesive PCR Foil Seals

Supplier: VWR Collection

These soft, non permeable 63,5 µm thick aluminium foils, with strong medical grade adhesive, eliminate the need for heat sealing devices or mats during thermal cycling. Compared to other aluminium foils, these foils have less tendency to roll back on themselves when removing the backing paper, and fit well to the plate during application.

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Pure-Pass™ Sealing Mats for Well Plates

Supplier: Trajan Scientific and Medical

Pure-Pass sealing mats protect wells from leaks, contamination and evaporation during sampling and storage.

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Security seals, SampleSafe

Security seals, SampleSafe

Supplier: BURKLE

SampleSafe seals are made of PP and are uniquely identified by a 9-digit serial number.

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Individual storage plate caps

Individual storage plate caps

Supplier: THERMO MATRIX TECHNOLOGIES

Individual storage plate caps are designed for sealing storage plates and cluster tubes.

    
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Adhesive plate sealing film for qPCR, ABsolute™

Adhesive plate sealing film for qPCR, ABsolute™

Supplier: Thermo Fisher Scientific

Optically clear adhesive plate sealing film designed for qPCR and other fluorescence applications.

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VWR®, Polyester Films with Colour-Coded Marking Areas

VWR®, Polyester Films with Colour-Coded Marking Areas

Supplier: VWR Collection

Identical to polyester films above, but include a colour dot and white writing area on each end tab for plate identification. End tabs with backing removed adhere to the ends of the plate and are perforated so they can be left in place even if the centre portion of the film is removed. Alternatively, one inscribed colour-coded end tab can be removed and pasted in a laboratory notebook while the other remains on the plate.

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VWR®, Breatheable Rayon Film Seals for Biological Cultures

VWR®, Breatheable Rayon Film Seals for Biological Cultures

Supplier: VWR Collection

A 139,7 µm thick hydrophobic porous film with medical grade adhesive for tissue culture plates, bio-blocks, and 96-well plates where gas exchange is necessary for cell or bacterial growth. These rayon films minimise cross-contamination, spillage and evaporation. They allow uniform air and CO₂ exchange for all wells, unlike plate lids which favour exchange for wells near plate edges. Sterile product is packed in tamper evident bags of 25.

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Sealing tapes, Nunc™

Sealing tapes, Nunc™

Supplier: Thermo Fisher Scientific

Effective sealing of all microplate formats. For storage, PCR, microscopy, culture and protection.

    
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Seals for Transferpettor™

Seals for Transferpettor™

Supplier: Brand

DE-M marked.

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Seal with Bore for Screw Caps, Silicone with PTFE Washer

Seal with Bore for Screw Caps, Silicone with PTFE Washer

Supplier: Lenz Laborglas GmbH & CO.KG

Silicone rubber sealing rings with PTFE washers.

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VWR®, Ultra-Clear Films for qPCR

VWR®, Ultra-Clear Films for qPCR

Supplier: VWR Collection

Transparent polyester films with strong, non absorbing, non fluorescing, medical grade adhesive for superior performance in qPCR applications. Supplied non sterile.

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Cap sealing mats, Matrix SepraSeal® and DuraSeal®

Cap sealing mats, Matrix SepraSeal® and DuraSeal®

Supplier: THERMO MATRIX TECHNOLOGIES

SepraSeal® and DuraSeal® capping systems offer a pierceable, individual tube sealing solution. They are made from thermoplastic elastomer (TPE) with colorants and are DMSO resistant.

    
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Masterflex® Sanitary Gaskets, Polymers, Avantor®

Masterflex® Sanitary Gaskets, Polymers, Avantor®

Supplier: Avantor Fluid Handling

Ensure a tight seal.

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Cap sealing mats for 96-well storage plates

Cap sealing mats for 96-well storage plates

Supplier: Thermo Fisher Scientific

Round or square capped mats for sealing 96-well storage plates.

    
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Sealing ring for waste pipes, b.safe

Sealing ring for waste pipes, b.safe

Supplier: Bohlender

Conical sealing ring made of static dissipative PTFE-EX.

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Cap strips, flat top

Cap strips, flat top

Supplier: Thermo Fisher Scientific

Made from polypropylene (PP).

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VWR®, White Films for Luminescence and Microscopy

VWR®, White Films for Luminescence and Microscopy

Supplier: VWR Collection

These films are 240 µm thick white vinyl with adhesive, for use with white microplates. Light reflective properties of the film, when used to seal clear bottom plates, maximise the sensitivity of bioluminescence and chemiluminescence assays in bottom-reading luminometers. White films have also been used as a backing matrix for microscopy of punch-out samples from filter plates.

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Masterflex® Single-Use Sanitary Gaskets, TPE, Avantor®

Masterflex® Single-Use Sanitary Gaskets, TPE, Avantor®

Supplier: Avantor Fluid Handling

Ensure a tight seal in your sanitary fluid line.

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Cap mats and strips

Cap mats and strips

Supplier: THERMO MATRIX TECHNOLOGIES

Matrix CapMats and CapStrips are engineered to maintain a strong seal at all times on tubes, microplates, and deepwell blocks. CapMats effectively seal down to –80 °C, while cap strips give the flexibility to seal individual caps or rows.

    
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Replacement gaskets, Nalgene®

Replacement gaskets, Nalgene®

Supplier: Thermo Fisher Scientific

Sealing gaskets, For: 83B

    
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Cap sealing mat for AcroPrep™ filter plates

Cap sealing mat for AcroPrep™ filter plates

Supplier: Cytiva (Formerly Pall Lab)

Microplate seal, Mat (96 wells), Single sheet/mat/strip, Cap mat for incubation, Cap mat for incubation

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O-rings for laboratory flat flanges, BOLA

O-rings for laboratory flat flanges, BOLA

Supplier: Bohlender

FEP. Sealing for flat flange with groove.

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Seals for flanged connections

Seals for flanged connections

Supplier: Lenz Laborglas GmbH & CO.KG

PTFE, white.

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Sealing mats, ABgene® SmartCap

Sealing mats, ABgene® SmartCap

Supplier: THERMO MATRIX TECHNOLOGIES

Abgene™ SmartCap mat, made from advanced thermoplastic elastomer (TPE), rapidly seals 96 samples at one time in a high-density storage format, affording maximum space saving benefits. Suitable for use with Thermo Scientific™ storage tubes ranging from 0,3 ml to 1,4 ml, the Abgene™ SmartCap Mat maintains a consistent seal down to –80 °C.

    
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PELTOR™ HY80 Camelback Gel Sealing Rings

Supplier: 3M

Gel ear cushions for use on a wide variety of 3M™ PELTOR™ Headsets. These gel sealing rings features a super-thin polyurethane skin with a double-hump top face design and a silicon gel-filled bladder with a Confor™ foam backing.

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Adhesive PCR film and foil seals

Adhesive PCR film and foil seals

Supplier: Thermo Fisher Scientific

Clear polyester film, aluminium foil. Recommended for use in PCR in conjunction with a thermal cycler that has a screw-down or clip-down lid.

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Heat-shrink bands for PETG media bottles, Nalgene®

Heat-shrink bands for PETG media bottles, Nalgene®

Supplier: Thermo Fisher Scientific

These heat-shrink bands can be used to ensure the integrity of bottle contents. Simply apply the recommended application torque for Thermo Scientific Nalgene® closures and slide the heat-shrink band over the closure and bottle neck. Heat the band to shrink and secure contents with a tamper-resistant seal.

    
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