Porvair Sciences Ultraseal™ Clear Seal Perf - Lab Sheet SF11078LS

Ultraseal™ Clear Seal Perf - Lab Sheet is a clear, perforated heat-sealing film supplied as 125 x 78 mm lab sheets for sealing microplates and lab vessels. The film provides good optical clarity and gas permeability via 3 mm slits across the width, allowing gas exchange while minimising evaporation for short-term incubation, cell culture, agriculture/seed storage and insect storage applications. The product is non-peelable, pierceable, and is intended for heat sealing to deliver complete seal integrity across a wide temperature range.

Key Features:

• Sheet size: 125 mm x 78 mm
• Quantity: 100 sheets per pack
• Temperature range: -80°C to 80°C (to 110°C with pressurised PCR heated lids)
• Material / type: Clear perforated film, non-peelable and pierceable
• Compatibility: PP, PS, PE, COC plates
• Recommended sealing: 180°C for 2 seconds
• Optical quality: Good (suitable for optical applications)

Advantages:

• Gas-permeable perforations allow necessary gas exchange while reducing evaporation compared to lids
• Heat-sealable film provides complete seal integrity for rapid, reliable plate sealing
• Good optical clarity supports imaging and optical assays
• Pierceability enables use with autosamplers and needle-based liquid handling without compromising the seal