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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.

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 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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Capmats for J.T.Baker® Plate Round Well

Capmats for J.T.Baker® Plate Round Well

Supplier: Avantor

Suitable to use with J.T.Baker® Plate Round Well 43001-0010, 43001-0016 or 43001-0116.

    
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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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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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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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Masterflex® Tuf-Flex® Sanitary Tri-Clamp® Gaskets, Avantor®

Masterflex® Tuf-Flex® Sanitary Tri-Clamp® Gaskets, Avantor®

Supplier: Avantor Fluid Handling

Ensure a better process seal with outstanding chemical resistance.

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VWR®, Polyester Sealing Film

VWR®, Polyester Sealing Film

Supplier: VWR Collection

Polyester film, acrylic adhesive. These 49,5 µm thick polyester films minimise evaporation and prevent spillage and contamination between wells.

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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 flanged connections

Seals for flanged connections

Supplier: Lenz Laborglas GmbH & CO.KG

PTFE, white.

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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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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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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 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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VWR®, Pierceable Films for Robotics, Clear-Zone

VWR®, Pierceable Films for Robotics, Clear-Zone

Supplier: VWR Collection

With a polyethylene top layer and inert white polypropylene and acrylic adhesive sublayer, this easy piercing sealing film allows direct sample recovery with single- or multi-channel pipettes and robotic probes.

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VWR®, Polyester 2×8 Plate Strip Films

VWR®, Polyester 2×8 Plate Strip Films

Supplier: VWR Collection

Polyester 2×8 strip films are identical to polyester films in material and adhesive, but designed for sealing only one or two 8-well rows at a time on either strip-well plates or standard plates whenever rows must be selectively protected or accessed. Sterile product is packed in tamper-evident bags of 50/bag.

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VWR® Cap Strips for Real Time PCR Plates

VWR® Cap Strips for Real Time PCR Plates

Supplier: VWR Collection

VWR®, PCR tubes, Cap strip, Single sheet/mat/strip, Optically clear 8-cap strips for Real-Time PCR plates, PP

    
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Cap strips for Piko® UTW plates

Cap strips for Piko® UTW plates

Supplier: Thermo Fisher Scientific

These flat cap strips provide an extremely tight seal in UTW (ultra-thin walled) PCR plates. They are an ideal choice for low volume reactions where it is important to minimize vapor loss.

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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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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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Replacement gaskets, Nalgene®

Replacement gaskets, Nalgene®

Supplier: Thermo Fisher Scientific

Sealing gaskets, For: 83B

    
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Storage plate cap strips

Storage plate cap strips

Supplier: THERMO MATRIX TECHNOLOGIES

Strips of eight caps for sealing storage plates and racked cluster tubes. The strips are compatible with Thermo Scientific microplates, 0,8 ml storage plates, 1,2 ml round well storage plates and 1,2 ml cluster tubes ranges.

    
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O-Ring seals for flat flanges

O-Ring seals for flat flanges

Supplier: Lenz Laborglas GmbH & CO.KG

Silicone or Silicone PTFE-coated.

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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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Optical adhesive PCR/qPCR film for Piko® UTW plates

Optical adhesive PCR/qPCR film for Piko® UTW plates

Supplier: Thermo Fisher Scientific

Clear, 24-well format Piko® PCR/qPCR film seal allows high transmission of fluorescence across the range of commonly used fluorophores. When used with a Piko® thermal cycler or PikoReal® Real-Time PCR system, sample volumes as low as 5 µl can be used with minimal evaporative loss.

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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®, 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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O-rings

Supplier: CPC COLDER

O-Ring with Silicone, platinum-cured sealing options.

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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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Masterflex® Sanitary Gaskets, Polymers, Avantor®

Masterflex® Sanitary Gaskets, Polymers, Avantor®

Supplier: Avantor Fluid Handling

Ensure a tight seal.

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