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Peel Seal

Suitable for PCR, peel-able


Heat sealing offers a 100% effective method of plate sealing, for complete seal integrity, as well as being quick and cost effective.


Our Peel Seal is a laminate seal compatible with Polypropylene plates. It can be removed from Polypropylene plates by peeling, even with a plate which has been removed directly from -80°C storage.


The Peel Seal forms a complete seal to a plate enabling very low temperature uses, including very low temperature storage, and high temperature uses, such as PCR (when used with a pressurised heated lid).


This seal demonstrates moderate solvent resistance and can be utilised for short term compound storage at room temperature.


The Peel Seal is available as sheets, for use with manual and semi-automated sealers, such as our 4s3 Sheet Heat Sealer, and in multiple roll formats compatible with specified automated heat sealers, such as our a4S Roll Heat Sealer.


The seal is free from DNase, RNase, human genomic DNA, bacterial cell, eukaryotic cell, dust, endotoxin/pyrogen. It is available from stock, non-sterile, but can be custom sterilised if required, please contact 4titude®. Peel Seal is stable from -200°C to 90°C.



Seal Features:


  • Peelable seal to polypropylene and COC plates


  • Seal integrity range: -200°C to 90°C


  • Suitable for short term room temperature storage


  • Suitable for very low temperature storage


  • Good solvent resistance including DMSO


  • DNase, RNase, human genomic DNA, bacterial cell, eukaryotic cell, dust, endotoxin/pyrogen free


  • Sheets: 125mm x 78mm


  • Roll: Available in a variety of roll formats, to suit your heat sealing equipment. See below for more details


  • Suggested sealing temperature: 170°C to 185°C


  • Suggested sealing time: 2-3 secs


  • Seals all SBS plate formats, from 12-well to 1536-well


  • Autoclavable


  • Sterilisation available on request












Peel Seal roll (610m x 78mm, approx. 5,000 seals) 1

Peel Seal roll (122m x 78mm, approx. 1,000 seals) 1

Peel Seal sample roll (5m x 78mm) 1

Peel Seal roll (500m x 160mm) 2

Peel Seal roll (500m x 115mm) 3

Peel Seal sample roll (5m x 115mm) 3

Peel Seal sheets (125mm x 78mm)

Peel Seal sheets (125mm x 78mm)

1 roll

1 roll

1 sample roll

1 roll

1 roll

1 sample roll

100 sheets

10 x 100 sheets


1 Compatible with 4titude® a4S Automatic Roll Heat Sealer / Thermo Fisher ALPS 300™ / ALPS 3000™ / KBiosystems Wasp™ / KBioscience FlexiSeal and Cube

2 Compatible with Thermo Fisher ALPS 100™

3 Compatible with Agilent (Velocity 11) PlateLoc®

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