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Porvair Sealing Mats

Cap Mats from Porvair

Friction seals, or cap mats as they are sometimes called, form a physical barrier in the top of each well, thereby preventing leakage and evaporation. They are usually made from a soft pliable polymer such as EVA or silicone to allow them to be forced down into the well. They may be pierceable and some are pre-scored to ease the progress of the needle or tip through the cap mat and into the well. Some types act as septa and will re-seal after the tip is withdrawn.

Porvair sealing mats form a physical barrier in the top of each well preventing leakage and evaporation. They are usually made from a soft pliable polymer such as EVA or silicone to allow them to be forced down into the well. They may be pierceable, and some are pre-scored to ease the progress of the needle or tip through the cap mat and into the well. Some types of mats act as septa and will re-seal after the tip is withdrawn.

Part Number Short Description SPE Format Type Material Pack Size Price Qty
360014 24 Rectangle Well Pierceable Santoprene Sealing Cap, 100pk 24 Well Rectangle Well Santoprene 100
£482.30
360006 48 Rectangle Well Pierceable Santoprene Sealing Cap, 100pk 48 Well Rectangle Well Santoprene 100
£480.21
360098 48 Rectangle Well Silicone Solid Plate Sseal, 100pk 48 Well Square Well Silicone 100
£488.55
9764508MR-96 96 Round Well (8mm Diameter & Short Plug) Clear Sealing Mat with Spray Coated PTFE/Premium Silicone, 5pk 96 Well Round Well PTFE/Silicone 5
£58.58
9760508MR-96 96 Round Well (8mm Diameter Plug) Clear Sealing Mat with Spray Coated PTFE/Premium Silicone, 5pk 96 Well Round Well PTFE/Silicone 5
£58.58
219044 96 Round Well EVA Piercable Sealing Cap, DNase/RNase Free, 50pk 96 Well Round Well EVA 50
£158.03
219036 96 Round Well EVA Sealing Cap, DNase/RNase Free, 50pk 96 Well Round Well EVA 50
£146.41
219042 96 Round Well EVA Sterile Sealing Cap, DNase/RNase Free, 50pk 96 Well Round Well EVA 50
£147.81
997005MR-96 96 Round Well Moulded Green Silicone Mat, 5pk 96 Well Round Well Silicone 5
£100.52
996050MR-96 96 Round Well Moulded Grey PTFE/Silicone Mat, 5pk 96 Well Round Well PTFE/Silicone 5
£124.38
500179 96 Round Well Piercable Silicone Cap Mat with Double O-ring, 50pk 96 Well Round Well Silicone 50
£421.14
997075MR-96 96 Round Well Prescored Moulded Green Silicone Mat, 5pk 96 Well Round Well Prescored Silicone 5
£100.52
996075MR-96 96 Round Well Prescored Moulded Grey PTFE/Silicone Mat, 5pk 96 Well Round Well Prescored PTFE/Silicone 5
£124.38
9760757MR-96 96 Round Well Pre-Slit (7mm Diameter Plug) Clear Sealing Mat with Spray Coated PTFE/Premium Silicone, 5pk 96 Well Round Well Pre-slit PTFE/Silicone 5
£72.84
9764758MR-96 96 Round Well Pre-Slit (8mm Diameter & Short Plug) Clear Sealing Mat with Spray Coated PTFE/Premium Silicone, 5pk 96 Well Round Well Pre-slit PTFE/Silicone 5
£72.84
9760758MR-96 96 Round Well Pre-Slit (8mm Diameter Plug) Clear Sealing Mat with Spray Coated PTFE/Premium Silicone, 5pk 96 Well Round Well Pre-slit PTFE/Silicone 5
£72.84
9762757MR-96 96 Round Well Pre-Slit Ultra Low Bleed (7mm Diameter Plug) Clear Mat with Spray Coated PTFE/Premium Silicone, 5pk 96 Well Round Well Pre-slit PTFE/Silicone 5
£82.64
9762758MR-96 96 Round Well Pre-Slit Ultra Low Bleed (8mm Diameter Plug) Clear Mat with Spray Coated PTFE/Premium Silicone, 5pk 96 Well Round Well Pre-slit PTFE/Silicone 5
£82.64
9762507MR-96 96 Round Well Ultra Low Bleed (7mm Diameter Plug) Clear Sealing Mat with Spray Coated PTFE/Premium Silicone, 5pk 96 Well Round Well PTFE/Silicone 5
£67.30
9762508MR-96 96 Round Well Ultra Low Bleed (8mm Diameter Plug) Clear Sealing Mat with Spray Coated PTFE/Premium Silicone, 5pk 96 Well Round Well PTFE/Silicone 5
£67.30
976050SW-96 96 Square Well Clear Sealing Mat with Spray Coated PTFE/Premium Silicone, 5pk 96 Well Square Well PTFE/Silicone 5
£59.72
219004 96 Square Well EVA Sealing Cap DNase/ RNase Free, 50pk 96 Well Square Well EVA 50
£171.35
219019 96 Square Well EVA Sterile Sealing Cap, DNase/RNase Free, 50pk 96 Well Square Well EVA 50
£210.09
997005SW-96 96 Square Well Moulded Green Silicone Mat, 5pk 96 Well Square Well Silicone 5
£100.52
360010 96 Square Well Piercable Santoprene Sealing Cap, 100pk 96 Well Square Well Santoprene 100
£442.62
219033 96 Square Well Polypropylene Friction Sealing Cap, 50pk 96 Well Square Well Polypropylene 50
£207.14
996075SW-96 96 Square Well Prescored Grey Moulded PTFE/Silicone Mat, 5pk 96 Well Square Well Prescored PTFE/Silicone 5
£124.38
997075SW-96 96 Square Well Prescored Moulded Green Silicone Mat, 5pk 96 Well Square Well Prescored Silicone 5
£100.52
976075SW-96 96 Square Well Pre-Slit Clear Sealing Mat with Spray Coated PTFE/Premium Silicone, 5pk 96 Well Square Well Pre-slit PTFE/Silicone 5
£72.84
976275SW-96 96 Square Well Pre-Slit Ultra Low Bleed Clear Sealing Mat with Spray Coated PTFE/Premium Silicone, 5pk 96 Well Square Well Pre-slit PTFE/Silicone 5
£82.84
976250SW-96 96 Square Well Ultra Low Bleed Clear Sealing Mat with Spray Coated PTFE/Premium Silicone, 5pk 96 Well Square Well PTFE/Silicone 5
£67.30
9760507MR-96 96 Round Well (7mm Diameter) Clear Sealing Mat with Spray Coated PTFE/Premium Silicone, 5pk Round Well PTFE/Silicone
£58.58
  • Comprehensive range of re-usable cap mats for friction sealing of plates
  • Cap mats are an economic alternative to thermal or adhesive seals as they can be sterilised and re-used (if suitably decontaminated)
  • A choice of materials is available to suit most chemistries, including PTFE coated silicone for aggressive solvents
  • Some mats are pre-scored or pre-slit to ease the progress of the needle or tip through the cap mat and into the well
Porvair Catalogue (5.34 MB)
Comprehensive range of precision-assembled, top quality microplates to enhance your research and analysis
Plate Sealing Guide (1.43 MB)

A guide to microplate closure and sealing

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