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Sealing films for various applications

Please contact us for further information.


Sealing films for fluorescence and photoprotection



  • 200 µm thick, black light-absorbing sealing films for use with black microplates
  • May be applied to top or bottom of a plate
  • Protect light-sensitive samples during storage and to reduce stray light and crosstalk in fluorescence assays
  • Temperature range: -40 °C to +80 °C



Sealing films for luminescence and microscopy

  • 200 µm thick, white light-reflecting sealing films for use with white microplates
  • May be applied to top or bottom of plate
  • Maximize sensitivity of bioluminescence and chemiluminescence assays in "bottom-reading" luminometers
  • Additional applications for mounting and storage of filters for microscopy, such as ELISPOT assays
  • Dimensions: 76.2 x 116 mm
  • Temperature range: -40 °C to +80 °C

Sealing films for ELISA, short-term storage, and incubation



  • 50 µm thick, polyester films, minimizing evaporation and cross contamination between different wells of a microplate
  • Sealing of all wells eliminates "edge effects" in sensitive ELISA assays
  • Can also be used with tissue culture plates for short-term storage, incubation, or containment of biohazards


  • 25 µm thick, pierceable with single-channel pipettes
  • Clearer and thinner version of the SealPlate®
  • Dimensions: 79.4 x 141 mm

SealPlate® MiniStrip™

  • Designed for the sealing only one or two 8-well rows

SealPlate® ColorTab™

  • With colour dot and white writing area on each end-tab for
    plate ID labeling
  • Temperature range: -40 °C to +120 °C

Sealing films for automation and ELISA applications



  • 70 µm thick, polyethylene with acrylic adhesive
  • Easily perceable with pipette tips or robotic probes
  • Inert, chemical resistant
  • Temperature range: -40 °C to +90 °C


  • 70 µm thick, polyethylene
  • Clear zone above each well is free of adhesive and easily pierceable
  • Clear zones and end-tabs facilitate well alignment and accurate positioning
  • Inert, chemical resistant
  • Temperature range: -40 °C to +90 °C

X-Pierce™ pre-cut pierceable sealing films for automation

  • 100 µm thick, vinyl, for 96-well microplates
  • Protect samples and reduce evaporation, short-term
  • Special hairline x-cuts and thin adhesive protect probes and tips
  • Sealing film reseals for continued sample protection after sampling
  • Printed alpha-numerics provide easy identification of each well
  • Temperature range:  -40 °C to + 90 °C
  • For long-term sample protection after sampling, a continuous sealing film has to be applied as second layer

Sealing films for PCR, high-througput screening and storage at low temperature


AlumaSeal II™ for PCR and low temperature storage

  • 38 µm thick, soft non-permeable aluminium sealing film with a
    28 µm thick layer of strong medical grade adhesive
  • Easily pierceable with single or multichannel pipettes and robotic probes
  • Heat and cold resistant
  • Certified DNase, RNase, and nucleic acid free
  • Excellent barrier properties, virtually no sample evaporation or drying
  • Temperature range: -80 °C to +120 °C

AlumaSeal CS™ - for storage at low temperatures only

  • For storage at -80 °C
  • Excellent barrier properties to retard evapoaration
  • Easily pierceable with pipette tips or robotic probes for sample recovery

AlumaSeal 96™ and AlumaSeal 384™ for PCR and storage

  • 38 µm thick, aluminum film with 38 µm thick layer of acrylic adhesive for use with 96- or 384-well plates
  • One partial-width end-tab (9.5 mm) without perforation
  • Fits inside rim of raised-rim plates
  • Certified DNase, RNase, and nucleic-acid free
  • Heat and cold resistant
  • Temperature range: -40 °C to +150 °C

ThermalSeal® for PCR

  • 50 µm thick, heat resistant polypropylene foil for thermal cycling applications
  • Not pierceable
  • Easier to handle than aluminium film - no tendency to "roll back"
  • Certified DNase, RNase, and nucleic-acid free
  • Temperature range: -40 °C to +120 °C

ThermalSeal®  MiniStrip

  • Designed for sealing only one or two 8-well rows at a time on PCR plates

Sealing films for Real-Time PCR, storage, and protein crystallization


ThermalSeal RT™ for Real-Time PCR

  • 125 µm thick, optically transparent polyester sealing film
  • Strong, ultra-smooth, non-absorbing, non-fluorescing medical grade adhesive
  • Plastic liner, easily removed before use, contributes smoothness and extreme optical clarity to the adhesive
  • Certified DNase, RNase, and nucleic-acid free
  • Temperature range: -40 °C to +120 °C

ThermalSeal RT2RR™

  • 50 µm thick, especially designed for microplates with higher well-edges
  • Ultra-high optical clarity
  • Temperature range: -40 °C to +120 °C

ThermalSeal RTS™ for Real-Time qPCR, storage, and protein crystallization

  • 50 µm thick, polyolefine
  • High optical clarity, with minimal autofluorescence
  • Chemically inert except at extreme pH values
  • DMSO resistant for HTS
  • Silicone adhesive forms the strongest available seal for prevention of evaporation
  • Non-tacky adhesive layer simplifies handling of film prior to sealing
  • Certified DNase, RNase, and nucleic-acid free
  • Temperature range: -70 °C to +100 °C

Sealing films for cell and tissue cultures



  • 114 µm thick, hydrophobic porous sealing film including medical grade adhesive for tissue culture plates, bio-blocks, and 96-well plates for cell or bacterial growth
  • Non-cytotoxic, highly gas permeable
  • Easily pierceable with pipette tips or pipettes for sample recovery
  • Transparent sealing foils in 96- or 384-well format
  • Temperature range: -20 °C to +80 °C


SealMate sealing films on rolls for manual applications

  • Convenient method for sealing microplates with adhesive films
  • System includes a molded polypropylene dispenser and sealing films supplied in a sheeted-roll configuration
  • Fast and easy sealing
  • Protects unused sealing foils on the rolls
  • Foil dispenser can be used as sealing paddle
  • Available for SealPlate® and AeraSeal® films (see above)



Roll-Seal™ - sealing films on rolls for automation

  • Adhesive sealing films on rolls for use with automatic microplate sealers for high-throughput applications
  • Film rolls, constructed on 3" diameter plastic cores are compatible with most common adhesive sealers
  • Reliable and efficient sealing at a lower cost per plate
  • Robust static-free packaging provides protection during shipment and facilitates accurate alignment and adhesion




Also available:

Standard sealing film

  • Standard polypropylene sealing film
  • Temperature range: -80 °C to + 120 °C
  • Suitable for microtestplates and deep well plates



MicroBurst™ film for PCR and automation

  • Clear film with excellent optical properties
  • Once activated it forms a near-permanent seal on the plate
  • Easily pierceable with pipette tips or pipettes for sample recovery
  • Ideal for PCR applications



Adhesive sealing film for protein crystallization: hanging trop seal

  • Clear, hydrophobe polymer with pressure sensitive acryl-adhesive for 96-well microtestplates
  • Adhesive-free zones for the 96 wells avoid contamination of your samples
  • UV semi-transparent polymer on top allows UV fluorescence microscopy
  • For crystallization from +4 °C to +40 °C
  • Printed alpha-numerics provide clear identification of each well


Wide range of sealing mats

  • Different materials for various applications





Sealing paddles and sealing rollers
Tools for easy application of adhesive sealing films


Also available from us Heat Sealing Foils and Heat Sealers.
Please contact us for further information.