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Porvair Heat Seals - 100% Effective Plate Sealing

Porvair heat seals offers a 100% effective method of plate sealing, for complete seal integrity. Choose from our range of heat seals that are quick to use and cost effective.

A variety of seals are available to suit all application types. Choose from:
Clear Seal Peel - peelable heat-sealing film which is optically clear
Clear Seal Perf - similar to Clear Seal Peel with slits across the width of the seal to render it gas permeable
Clear Seal Pierce - ideal for use with the ABI 3730 sequencer
Clear Seal Weld - optically clear polymer film forming a permanent seal to polypropylene plates
Gas Perm Seal - made from a non-woven material and is designed for use in cell culture, due to its porous nature
Peel Seal Foil - laminate seal compatible with polypropylene plates
Peel Seal Foil Super - laminate seal compatible with all plate types
Peel Seal DMSO Foil - DMSO resistant seal compatible with polypropylene and forming an excellent seal to COC plates
Pierce Seal Foil - pierceable heat sealing foil which has a high solvent resistance
Pierce Seal Foil PS - produces a strong seal to polystyrene plates, but is also compatible with polypropylene
Therm Seal - a heavy duty laminate foil seal suitable for providing a very strong, but peelable seal

Part Number Short Description SPE Format Type Material Pack Size Price Qty
SF01078LR Clear Seal Peel, Peelable, non-pierceable, 500m x 78mm Roll Heat Seal Roll Clear Seal Peel 1
£601.89
SF01078SR Clear Seal Peel - Sterile, Peelable, non-pierceable, 500m x 78mm Roll Heat Seal Roll Clear Seal Peel 1
£754.63
SF01115LR Clear Seal Peel, Peelable, non-pierceable, 350m x 115mm Roll Heat Seal Roll Clear Seal Peel 1
£613.63
SF01115SR Clear Seal Peel - Sterile, Peelable, non-pierceable, 350m x 115mm Roll Heat Seal Roll Clear Seal Peel 1
£765.61
SF01078LS Clear Seal Peel, Peelable, non-pierceable, 125 x 78mm Lab Sheets, 100pk Heat Seal Sheet Clear Seal Peel 100
£55.42
SF01078SS Clear Seal Peel - Sterile, Peelable, non-pierceable, 125 x 78mm Lab Sheets, 100pk Heat Seal Sheet Clear Seal Peel 100
£84.86
SF01078TR Clear Seal Peel, Peelable, non-pierceable, 5m x 78mm Trial Roll Heat Seal Roll Clear Seal Peel 1
£40.99
SF01115TR Clear Seal Peel, Peelable, non-pierceable, 5m x 115mm Trial Roll Heat Seal Roll Clear Seal Peel 1
£40.99
SF01078TS Clear Seal Peel, Peelable, non-pierceable, 125 x 78mm Trial Sheet, 5pk Heat Seal Sheet Clear Seal Peel 5
£17.59
SF03078LR Clear Seal Pierce (for Abi 3730), Permanent, Pierceable, 610m x 78mm Roll Heat Seal Roll Clear Seal Pierce 1
£635.84
SF03078SR Clear Seal Pierce (for Abi 3730) -Sterile, Permanent, Pierceable, 610m x 78mm Roll Heat Seal Roll Clear Seal Pierce 1
£789.36
SF03115LR Clear Seal Pierce (for Abi 3730), Permanent, Pierceable, 500m x 115mm Roll Heat Seal Roll Clear Seal Pierce 1
£791.60
SF03115SR Clear Seal Pierce (for Abi 3730) -Sterile, Permanent, Pierceable, 500m x 115mm Roll Heat Seal Roll Clear Seal Pierce 1
£956.02
SF03078LS Clear Seal Pierce (for Abi 3730), Permanent, Pierceable, 125 x 78mm Lab Sheet, 100pk Heat Seal Sheet Clear Seal Pierce 100
£54.56
SF03078SS Clear Seal Pierce (for Abi 3730) -Sterile, Permanent, Pierceable, 125 x 78mm Lab Sheet, 100pk Heat Seal Sheet Clear Seal Pierce 100
£89.00
SF03078TR Clear Seal Pierce (for Abi 3730), Permanent, Pierceable, 5m x 78mm Trial Roll Heat Seal Roll Clear Seal Pierce 1
£40.99
SF03115TR Clear Seal Pierce (for Abi 3730), Permanent, Pierceable, 5m x 115mm Trial Roll Heat Seal Roll Clear Seal Pierce 1
£40.99
SF03078TS Clear Seal Pierce (for Abi 3730), Permanent, Pierceable, 125 x 78mm Trial Sheet, 5pk Heat Seal Sheet Clear Seal Pierce 5
£17.59
SF02078LR Clear Seal Weld, Permanent, non-pierceable, 610m x 78mm Roll Heat Seal Roll Clear Seal Weld 1
£719.41
SF02078SR Clear Seal Weld - Sterile, Permanent, non-pierceable, 610m x 78mm Roll Heat Seal Roll Clear Seal Weld 1
£829.80
SF02115LR Clear Seal Weld, Permanent, non-pierceable, 500m x 115mm Roll Heat Seal Roll Clear Seal Weld 1
£883.07
SF02115SR Clear Seal Weld - Sterile, Permanent, non-pierceable, 500m x 115mm Roll Heat Seal Roll Clear Seal Weld 1
£1,053.89
SF02078LS Clear Seal Weld, Permanent, non-pierceable, 125 x 78mm Lab Sheet, 100pk Heat Seal Sheet Clear Seal Weld 100
£56.17
SF02078SS Clear Seal Weld - Sterile, Permanent, non-pierceable, 125 x 78mm Lab Sheet, 100pk Heat Seal Sheet Clear Seal Weld 100
£85.80
SF02078TR Clear Seal Weld, Permanent, non-pierceable, 5m x 78mm Trial Roll Heat Seal Roll Clear Seal Weld 1
£40.99
SF02115TR Clear Seal Weld, Permanent, non-pierceable, 5m x 115mm Trial Roll Heat Seal Roll Clear Seal Weld 1
£40.99
SF02078TS Clear Seal Weld, Permanent, non-pierceable, 125 x 78mm Trial Sheet, 5pk Heat Seal Sheet Clear Seal Weld 5
£17.59
SF04078LR Peel Seal Foil, Peelable, non-pierceable, 610m x 78mm Roll Heat Seal Roll Peel Seal Foil 1
£580.11
SF04078SR Peel Seal Foil - Sterile, Peelable, non-pierceable, 610m x 78mm Roll Heat Seal Roll Peel Seal Foil 1
£729.74
SF04115LR Peel Seal Foil, Peelable, non-pierceable, 500m x 115mm Roll Heat Seal Roll Peel Seal Foil 1
£747.36
SF04115SR Peel Seal Foil - Sterile, Peelable, non-pierceable, 500m x 115mm Roll Heat Seal Roll Peel Seal Foil 1
£908.68
SF04078LS Peel Seal Foil, Peelable, non-pierceable, 125 x 78mm Lab Sheet, 100pk Heat Seal Sheet Peel Seal Foil 100
£51.60
SF04078SS Peel Seal Foil - Sterile, Peelable, non-pierceable, 125 x 78mm Lab Sheet, 100pk Heat Seal Sheet Peel Seal Foil 100
£83.09
SF04078TR Peel Seal Foil, Peelable, non-pierceable, 5m x 78mm Trial Roll Heat Seal Roll Peel Seal Foil 1
£40.99
SF04115TR Peel Seal Foil, Peelable, non-pierceable, 5m x 115mm Trial Roll Heat Seal Roll Peel Seal Foil 1
£40.99
SF04078TS Peel Seal Foil, Peelable, non-pierceable, 125 x 78mm Trial Sheet, 5pk Heat Seal Sheet Peel Seal Foil 5
£17.59
SF14078LR Peel Seal Foil Super, Peelable, non-pierceable, 610m x 78mm Roll Heat Seal Roll Peel Seal Foil Super 1
£926.42
SF14078SR Peel Seal Foil Super - Sterile, Peelable, non-pierceable, 610m x 78mm Roll Heat Seal Roll Peel Seal Foil Super 1
£1,023.48
SF14115LR Peel Seal Foil Super, Peelable, non-pierceable, 500m x 115mm Roll Heat Seal Roll Peel Seal Foil Super 1
£1,132.31
SF14115SR Peel Seal Foil Super - Sterile, Peelable, non-pierceable, 500m x 115mm Roll Heat Seal Roll Peel Seal Foil Super 1
£1,320.58
SF14078LS Peel Seal Foil Super, Peelable, non-pierceable, 125 x 78mm Lab Sheet, 100pk Heat Seal Sheet Peel Seal Foil Super 100
£64.45
SF14078SS Peel Seal Foil Super - Sterile, Peelable, non-pierceable, 125 x 78mm Lab Sheet, 100pk Heat Seal Sheet Peel Seal Foil Super 100
£94.05
SF14078TR Peel Seal Foil Super, Peelable, non-pierceable, 5m x 78mm Trial Roll Heat Seal Roll Peel Seal Foil Super 1
£40.99
SF14115TR Peel Seal Foil Super, Peelable, non-pierceable, 5m x 115mm Trial Roll Heat Seal Roll Peel Seal Foil Super 1
£40.99
SF14078TS Peel Seal Foil Super, Peelable, non-pierceable, 125 x 78mm Trial Sheet, 5pk Heat Seal Sheet Peel Seal Foil Super 5
£17.59
SF05078LR Peel Seal DMSO Foil, Peelable, non-pierceable, 500m x 78mm Roll Heat Seal Roll Peel Seal DMSO Foil 1
£1,147.37
SF05078SR Peel Seal DMSO Foil - Sterile, Peelable, non-pierceable, 500m x 78mm Roll Heat Seal Roll Peel Seal DMSO Foil 1
£1,258.58
SF05115LR Peel Seal DMSO Foil, Peelable, non-pierceable, 500m x 115mm Roll Heat Seal Roll Peel Seal DMSO Foil 1
£1,496.84
SF05115SR Peel Seal DMSO Foil - Sterile, Peelable, non-pierceable, 500m x 115mm Roll Heat Seal Roll Peel Seal DMSO Foil 1
£1,710.64
SF05078LS Peel Seal DMSO Foil, Peelable, non-pierceable, 125 x 78mm Lab Sheet, 100pk Heat Seal Sheet Peel Seal DMSO Foil 100
£57.86
SF05078SS Peel Seal DMSO Foil - Sterile, Peelable, non-pierceable, 125 x 78mm Lab Sheet, 100pk Heat Seal Sheet Peel Seal DMSO Foil 100
£87.94
SF05078TR Peel Seal DMSO Foil, Peelable, non-pierceable, 5m x 78mm Trial Roll Heat Seal Roll Peel Seal DMSO Foil 1
£40.99
SF05115TR Peel Seal DMSO Foil, Peelable, non-pierceable, 5m x 115mm Trial Roll Heat Seal Roll Peel Seal DMSO Foil 1
£40.99
SF05078TS Peel Seal DMSO Foil, Peelable, non-pierceable, 125 x 78mm Trial Sheet, 5pk Heat Seal Sheet Peel Seal DMSO Foil 5
£17.59
SF06078LR Pierce Seal Foil, Permanent, Pierceable, 610m x 78mm Roll Heat Seal Roll Pierce Seal Foil 1
£730.27
SF06078SR Pierce Seal Foil - Sterile, Permanent, Pierceable, 610m x 78mm Roll Heat Seal Roll Pierce Seal Foil 1
£840.68
SF06115LR Pierce Seal Foil, Permanent, Pierceable, 500m x 115mm Roll Heat Seal Roll Pierce Seal Foil 1
£744.93
SF06115SR Pierce Seal Foil - Sterile, Permanent, Pierceable, 500m x 115mm Roll Heat Seal Roll Pierce Seal Foil 1
£906.08
SF06078LS Pierce Seal Foil, Permanent, Pierceable, 125 x 78mm Lab Sheet, 100pk Heat Seal Sheet Pierce Seal Foil 100
£56.87
SF06078SS Pierce Seal Foil - Sterile, Permanent, Pierceable, 125 x 78mm Lab Sheet, 100pk Heat Seal Sheet Pierce Seal Foil 100
£86.68
SF06078TR Pierce Seal Foil, Permanent, Pierceable, 5m x 78mm Trial Roll Heat Seal Roll Pierce Seal Foil 1
£40.99
SF06115TR Pierce Seal Foil, Permanent, Pierceable, 5m x 115mm Trial Roll Heat Seal Roll Pierce Seal Foil 1
£40.99
SF06078TS Pierce Seal Foil, Permanent, Pierceable, 125 x 78mm Trial Sheet, 5pk Heat Seal Sheet Pierce Seal Foil 5
£17.59
SF07078LR Pierce Seal Foil PS, Peelable, Pierceable, 610m x 78mm Roll Heat Seal Roll Pierce Seal Foil PS 1
£656.08
SF07078SR Pierce Seal Foil PS - Sterile, Peelable, Pierceable, 610m x 78mm Roll Heat Seal Roll Pierce Seal Foil PS 1
£811.01
SF07115LR Pierce Seal Foil PS, Peelable, Pierceable, 500m x 115mm Roll Heat Seal Roll Pierce Seal Foil PS 1
£718.96
SF07115SR Pierce Seal Foil PS - Sterile, Peelable, Pierceable, 500m x 115mm Roll Heat Seal Roll Pierce Seal Foil PS 1
£878.31
SF07078LS Pierce Seal Foil PS, Peelable, Pierceable, 125 x 78mm Lab Sheet, 100pk Heat Seal Sheet Pierce Seal Foil PS 100
£57.86
SF07078SS Pierce Seal Foil PS - Sterile, Peelable, Pierceable, 125 x 78mm Lab Sheet, 100pk Heat Seal Sheet Pierce Seal Foil PS 100
£87.94
SF07078TR Pierce Seal Foil PS, Peelable, Pierceable, 5m x 78mm Trial Roll Heat Seal Roll Pierce Seal Foil PS 1
£40.99
SF07115TR Pierce Seal Foil PS, Peelable, Pierceable, 5m x 115mm Trial Roll Heat Seal Roll Pierce Seal Foil PS 1
£40.99
SF07078TS Pierce Seal Foil PS, Peelable, Pierceable, 125 x 78mm Trial Sheet, 5pk Heat Seal Sheet Pierce Seal Foil PS 5
£17.59
SF08078LR Therm Seal Foil, Peelable, non-pierceable, 500m x 78mm Roll Heat Seal Roll Therm Seal Foil 1
£957.17
SF08078SR Therm Seal Foil - Sterile, Peelable, non-pierceable, 500m x 78mm Roll Heat Seal Roll Therm Seal Foil 1
£1,088.75
SF08115TR Therm Seal Foil, Peelable, non-pierceable, 5m x 115mm Trial Roll Heat Seal Roll Therm Seal Foil 1
£45.54
SF08078TS Therm Seal Foil, Peelable, non-pierceable, 125 x 78mm Trial Sheet, 5pk Heat Seal Sheet Therm Seal Foil 5
£22.77
SF10078LR Gas Perm Seal, Gas permeable, Peelable, Pierceable, 200m x 78mm Roll Heat Seal Roll Gas Perm Seal 1
£431.41
SF10078SR Gas Perm Seal - Sterile, Gas permeable, Peelable, Pierceable, 200m x 78mm Roll Heat Seal Roll Gas Perm Seal 1
£570.62
SF10115LR Gas Perm Seal, Gas permeable, Peelable, Pierceable, 200m x 115mm Roll Heat Seal Roll Gas Perm Seal 1
£591.14
SF10115SR Gas Perm Seal - Sterile, Gas permeable, Peelable, Pierceable, 200m x 115mm Roll Heat Seal Roll Gas Perm Seal 1
£741.54
SF10078LS Gas Perm Seal, Gas permeable, Peelable, Pierceable, 125 x 78mm Lab Sheet, 100pk Heat Seal Sheet Gas Perm Seal 100
£57.56
SF10078SS Gas Perm Seal - Sterile, Gas permeable, Peelable, Pierceable, 125 x 78mm Lab Sheet, 100pk Heat Seal Sheet Gas Perm Seal 100
£74.09
SF10078TR Gas Perm Seal, Gas permeable, Peelable, Pierceable, 5m x 78mm Trial Roll Heat Seal Roll Gas Perm Seal 1
£39.00
SF10115TR Gas Perm Seal, Gas permeable, Peelable, Pierceable, 5m x 115mm Trial Roll Heat Seal Roll Gas Perm Seal 1
£39.00
SF10078TS Gas Perm Seal, Gas permeable, Peelable, Pierceable, 125 x 78mm Trial Sheet, 5pk Heat Seal Sheet Gas Perm Seal 5
£17.59
SF13078LR Gas Perm Seal 2, Gas permeable, Peelable, Pierceable, 610m x 78mm Roll Heat Seal Roll Gas Perm Seal 2 1
£482.76
SF13078SR Gas Perm Seal 2 - Sterile, Gas permeable, Peelable, Pierceable, 610m x 78mm Roll Heat Seal Roll Gas Perm Seal 2 1
£641.54
SF13115LR Gas Perm Seal 2, Gas permeable, Peelable, Pierceable, 500m x 115mm Roll Heat Seal Roll Gas Perm Seal 2 1
£588.50
SF13115SR Gas Perm Seal 2 - Strerile, Gas permeable, Peelable, Pierceable, 500m x 115mm Roll Heat Seal Roll Gas Perm Seal 2 1
£754.68
SF13078LS Gas Perm Seal 2, Gas permeable, Peelable, Pierceable, 125 x 78mm Lab Sheet, 100pk Heat Seal Sheet Gas Perm Seal 2 100
£45.69
SF13078SS Gas Perm Seal 2 - Sterile, Gas permeable, Peelable, Pierceable, 125 x 78mm Lab Sheet, 100pk Heat Seal Sheet Gas Perm Seal 2 100
£85.72
SF13078TR Gas Perm Seal 2, Gas permeable, Peelable, Pierceable, 5m x 78mm Trial Roll Heat Seal Roll Gas Perm Seal 2 1
£39.00
SF13115TR Gas Perm Seal 2, Gas permeable, Peelable, Pierceable, 5m x 115mm Trial Roll Heat Seal Roll Gas Perm Seal 2 1
£39.00
SF13078TS Gas Perm Seal 2, Gas permeable, Peelable, Pierceable, 125 x 78mm Trial Sheet, 5pk Heat Seal Sheet Gas Perm Seal 2 5
£17.59
SF11078LR Clear Seal Perf, Gas permeable, Peelable, non-pierceable, 610m x 78mm Roll Heat Seal Roll Clear Seal Perf 1
£1,124.30
SF11078SR Clear Seal Perf - Sterile, Gas permeable, Peelable, non-pierceable, 610m x 78mm Roll Heat Seal Roll Clear Seal Perf 1
£1,321.51
SF11115LR Clear Seal Perf, Gas permeable, Peelable, non-pierceable, 500m x 115mm Roll Heat Seal Roll Clear Seal Perf 1
£1,198.49
SF11115SR Clear Seal Perf - Sterile, Gas permeable, Peelable, non-pierceable, 500m x 115mm Roll Heat Seal Roll Clear Seal Perf 1
£1,400.75
SF11078LS Clear Seal Perf, Gas permeable, Peelable, non-pierceable, 125 x 78mm Lab Sheet, 100pk Heat Seal Sheet Clear Seal Perf 100
£137.14
SF11078SS Clear Seal Perf - Sterile, Gas permeable, Peelable, non-pierceable, 125 x 78mm Lab Sheet, 100pk Heat Seal Sheet Clear Seal Perf 100
£183.85
SF11078TR Clear Seal Perf, Gas permeable, Peelable, non-pierceable, 5m x 78mm Trial Roll Heat Seal Roll Clear Seal Perf 1
£40.99
SF11115TR Clear Seal Perf, Gas permeable, Peelable, non-pierceable, 5m x 115mm Trial Roll Heat Seal Roll Clear Seal Perf 1
£40.99
SF11078TS Clear Seal Perf, Gas permeable, Peelable, non-pierceable, 125 x 78mm Trial Sheet, 5pk Heat Seal Sheet Clear Seal Perf 5
£17.59
SF08115LR Therm Seal Foil, Peelable, non-pierceable, 350m x 115mm Roll Heat Seal Roll Therm Seal Foil 1
£1,192.01
SF08115SR Therm Seal Foil - Sterile, Peelable, non-pierceable, 350m x 115mm Roll Heat Seal Roll Therm Seal Foil 1
£1,349.12
SF08078LS Therm Seal Foil, Peelable, non-pierceable, 125 x 78mm Lab Sheet, 100pk Heat Seal Sheet Therm Seal Foil 100
£59.20
SF08078SS Therm Seal Foil - Sterile, Peelable, non-pierceable, 125 x 78mm Lab Sheet, 100pk Heat Seal Sheet Therm Seal Foil 100
£90.70
SF08078TR Therm Seal Foil, Peelable, non-pierceable, 5m x 78mm Trial Roll Heat Seal Roll Therm Seal Foil 1
£74.00

Clear Seal Peel is an optically clear laminate film forming a peelable seal to polypropylene, polyethylene, polystyrene, polycarbonate, and cyclic olefin copolymer (COC) plates. The optical clarity of this seal enables its use for sealing plates required for imaging use, including fluorescent detection methods such as qPCR and colorimetric assays. The Clear Seal Peel forms a complete seal to a plate enabling both low temperature uses, including low temperature storage, and high temperature uses, such as PCR (when used with a pressurized heated lid). This seal demonstrates moderate solvent resistance and can be utilized for short term compound storage at room temperature.

Clear Seal Perf seal is based on the Clear Seal Peel, with the addition of 3 mm slits across the width of the seal. These slits render the seal gas permeable, whilst retaining evaporation to a minimum, compared to the use of lids. The Clear Seal Perf Heat Seal is compatible with polypropylene, polyethylene, polystyrene, and cyclic olefin copolymer (COC) plates. The seal has a wide seal integrity temperature range, from -80 to 110°C. It can be used for insect and seed storage, as it enables gas exchange, whilst providing an inert surface with no adhesive to interfere with the well content.

Clear Seal Pierce is a thin polyester heat sealing film which is easily pierceable with autosampler needles/ABI 3730. The seal is suitable for PCR, qPCR, and optical applications. The optical clarity of this seal enables its use for sealing plates required for imaging use, including fluorescent detection methods such as qPCR and colorimetric assays. Its pierceability renders it useful for automation and for use on needle, capillary and tip based liquid handling systems. It is effective on the ABI3730 capillary sequencer, removing the need for the use of expensive septa mats. The Clear Seal Pierce forms a complete seal to a plate enabling moderately low and high temperature uses, including PCR when using a pressurized heated lid thermal cycler. It demonstrates a moderate solvent resistance and can be utilized for short term compound storage.

Clear Seal Weld is an optically clear polymer film forming a permanent seal to polypropylene plates. The Clear Seal Weld forms a complete seal to a plate, enabling both low and very high temperature uses, including low temperature storage and high temperature incubations. This seal is suitable for PCR/qPCR, even without the use of a pressurized heated lid, and is 100% effective when used in water bath thermal cyclers. The permanent nature of this 100% effective seal renders it suitable for the storage and disposal of hazardous material. Clear Seal Weld demonstrates a good solvent resistance and can be utilized for long term compound storage.

Gas Perm Seal is made from a non-woven material and is designed for use in cell culture, due to its porous nature. The seal is compatible with polypropylene and polystyrene. It can be removed by peeling, or it can be pierced with a pipette tip manually, using a liquid handling robot. Gas Perm Seal seals can be used for effective overnight incubations, during which it demonstrates significant reductions in evaporation compared to lids It can also be used for insect and seed storage as it enables gas exchange, whilst providing an inert surface with no adhesive to interfere with the well contents.

Peel Seal Foil 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. Peel Seal Foil 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 pressurized heated lid). The seal demonstrates moderate solvent resistance and can be utilized for short term compound storage at room temperature (< 5 days).

Peel Seal Foil Super is a laminate seal compatible with all plate types. It can be removed by peeling, even with a plate which has been removed directly from -80°C storage. Peel Seal Foil Super forms a complete seal to a plate enabling very low temperature uses, including very low temperature storage, and high temperature uses, such as PCR. The seal demonstrates high solvent resistance (including DMSO) and can be utilized for short term compound storage at room temperature.

Peel Seal DMSO Foil is a DMSO resistant seal compatible with polypropylene and forming an excellent seal to cyclic olefin copolymer (COC) plates. The solvent resistance of this seal enables its use for low and room temperature compound storage in DMSO and organic solvents. 100% DMSO can be stored at room temperature for 12 months without deterioration of the seal. It forms a weld seal to polyethylene plates and cannot be peeled off. Access is by piercing using a blade or a needle.

Pierce Seal Foil is a pierceable heat sealing foil which has a high solvent resistance. This seal is resealable, suitable for PCR, compound storage and sample shipping. Pierce Seal Foil is compatible with polypropylene and polystyrene plates. This seal demonstrates good solvent resistance and can be used for low temperature and room temperature compound storage in DMSO and organic solvents. Pierce Seal Foil can be pierced with a pipette tip manually, or by a liquid handling robot. This seal can be resealed by applying another Pierce Seal Foil seal straight on top of a previously pierced seal. A green dotted line on the sheet foils clearly indicates the non-sealing surface, for ease of seal orientation and handling.

Pierce Seal Foil PS produces a strong seal to polystyrene plates, but is also compatible with polypropylene. This seal demonstrates moderate solvent resistance and can be used for low temperature compound storage, in DMSO and organic solvents, and short term room temperature storage. Pierce Seal Foil PS seals can be pierced with a pipette tip manually, by a liquid handling robot, or it can be removed by peeling (from polystyrene only). It can be resealed by applying another Polystyrene Foil Heat Seal directly on top of a previously pierced seal.

Therm Seal is a heavy duty laminate foil seal suitable for providing a very strong, but peelable seal. The seal is compatible with polypropylene plates to provide a high degree of sample protection. It demonstrates very good solvent resistance and can be used for very low temperature compound storage, in DMSO and organic solvents, and long term room temperature storage such that it is recommended as suitable for sample transportation. The seal can be pierced only by using a blade.

 

Porvair Sealing Foils and Films Brochure (1.68 MB)
Comprehensive guide to adhesive and heat seals from Porvair
Porvair Ultraseal Lite and Heat Seals Brochure (1.78 MB)
Intuitive semi-automatic heat sealer and compatible heat sealing films and foils
Porvair Catalogue (5.34 MB)
Comprehensive range of precision-assembled, top quality microplates to enhance your research and analysis
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