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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.

VWR®, Cap Sealing Mats for 96 Deep Well Plates

VWR®, Cap Sealing Mats for 96 Deep Well Plates

Supplier: VWR Collection

Square well cap mats for sealing 96-well shallow or deep well plates.

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VWR® Adhesive Sealing Strips for 8-Strip PCR Tubes

VWR® Adhesive Sealing Strips for 8-Strip PCR Tubes

Supplier: VWR Collection

Easier to apply and remove as compared to standard moulded PCR strip caps.

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PlateLoc Microplate Heat Seals

Supplier: AGILENT

Certified for use with the PlateLoc Thermal Microplate Sealer.

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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.

   Sustainable Options Available
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VWR®, Adhesive PCR Film Seals

VWR®, Adhesive PCR Film Seals

Supplier: VWR Collection

These heat resistant 74,9 µm thick films are designed for thermal cycling applications. Polypropylene films are not pierceable. For PCR applications, where piercing with pipette tips or robotic probes is required for product recovery, use aluminium foil films. For real-time PCR applications, where maximum optical clarity is required, use optically-clear polyester films.

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Sealing film for manual application, PARAFILM® M Purple

Sealing film for manual application, PARAFILM® M Purple

Supplier: HEATHROW

Universal, semi-transparent, highly elastic film designed for airtight and moisture-proof sealing and many other manual applications. The film can be stretched up to 200% and forms a completely tight seal even with irregular shapes and areas.

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VWR®, Sealing Film for ELISA and General Incubation

VWR®, Sealing Film for ELISA and General Incubation

Supplier: VWR Collection

Polyester film with acrylic adhesive. These non pierceable films in sheeted-roll format are recommended for ELISA tests, general incubation and short-term storage.

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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.

   Sustainable Options Available
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Gauge Guard Protector and Isolator Seals

Gauge Guard Protector and Isolator Seals

Supplier: Avantor Fluid Handling

Extend the life and accuracy of your expensive and fragile instruments.

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Seals for automated microplate heat sealer, ALPS™ 3000

Seals for automated microplate heat sealer, ALPS™ 3000

Supplier: THERMO MATRIX TECHNOLOGIES

Thermo-Seal, Microplate seal for ALPS 3000, Heat sealing film/foil/tape (96/384 wells), Roll, Film, Thermo-seal, for PP microplates (very strong seal), Pierceable

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Rotor seals, Rheodyne®

Rotor seals, Rheodyne®

Supplier: IDEX RHEODYNE

Rotor seals are the common wear part in all the Rheodyne® valves and many can be purchased separately or as part of a RheBuild® kit.

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VWR®, Cap Strips

Supplier: VWR Collection

VWR®, Microplate seal, Cap strip, Single sheet/mat/strip, Cap strip for PCR plates and tube strips, flat, Non sterile

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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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Cap sealing mats for VersiPlate 96-well PCR strip tube plates, VersiCap™ Mats

Cap sealing mats for VersiPlate 96-well PCR strip tube plates, VersiCap™ Mats

Supplier: Thermo Fisher Scientific

VersiCap™ mats are designed to seal VersiPlate 96-well PCR strip tubes, but can be used will all Thermo Scientific strip tubes and 96-well plates.

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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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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.

   Sustainable Options Available
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VWR®, Polyester Films for ELISA and General Incubation

VWR®, Polyester Films for ELISA and General Incubation

Supplier: VWR Collection

These 77,5 µm thick polyester films provide secure sealing around every well, not just a cover, thus minimising evaporation, preventing spillage and well-to-well contamination, and eliminating 'edge effects' in sensitive ELISA assays. Polyester films can also be used with cell culture plates for short-term storage, incubation, and containment of biohazards.

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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.

   Sustainable Options Available
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Liner sealing rings for agilent technologies instruments

Supplier: Thermo Fisher Scientific

Mechanical Seals, Graphite liner sealing ring for Agilent SSL liners

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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®, 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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Microplate sealing tape

Microplate sealing tape

Supplier: Thermo Fisher Scientific

Adhesive sealing tape for microplates. Temperature range: −30 to +80 °C.

   Sustainable Options Available
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Sealing film for manual application, Parafilm® M

Sealing film for manual application, Parafilm® M

Supplier: HEATHROW

Parafilm® M is a semi-transparent, flexible, thermoplastic film with two-way stretch. This odourless and colourless film provides a tight, moisture-proof seal.

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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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Sealing films, Seal-R-film™

Sealing films, Seal-R-film™

Supplier: Brand

Seal-R-film™ sealing film seals beakers, flasks, and other vessels.

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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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Wax plates for sealing capillary tubes

Wax plates for sealing capillary tubes

Supplier: MARIENFELD

Wax plates are used for sealing capillary tubes for micro hematocrits.

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Capmats for J.T.Baker® Plate Square Well

Capmats for J.T.Baker® Plate Square Well

Supplier: Avantor

J.T.Baker®, Microplate seal, Mat (24 wells), Single sheet/mat/strip, Capmat for J.T.Baker plate square well 24, Well top shape: Square, EVA, Transparent, Pierceable, Non sterile

   Sustainable Options Available
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Sealing mats for 1,0 ml DeepWell™ plates, Nunc™

Sealing mats for 1,0 ml DeepWell™ plates, Nunc™

Supplier: Thermo Fisher Scientific

EVA. For sealing PP and PS plates.

   Sustainable Options Available
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Spare seal rings for small flange connections

Spare seal rings for small flange connections

Supplier: VACUUBRAND

These spare seal rings for small flange KF connections are made of NBR or FKM.

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