Porvair Sciences Ultraseal™ Therm Seal Foil - Lab Sheet SF08078LS

Ultraseal™ Therm Seal Foil - Lab Sheet is a heavy-duty laminate foil heat seal designed to provide a strong, peelable but non-pierceable seal for laboratory plates. It is intended for PCR, water thermal cyclers, long-term solvent storage (including DMSO), and low-temperature transport, offering sample protection across a wide temperature range. The product is supplied as 125 x 78 mm sheets in a format suitable for sealing polypropylene and polystyrene plates.

Key Features:

• Format: Lab sheets, 125 x 78 mm
• Quantity: 100 sheets per pack
• Seal type: Heat seal; recommended sealing 175°C for 2 seconds
• Temperature range / seal integrity: -20°C to 110°C
• Compatibility: Polypropylene (PP) and polystyrene (PS) plates
• Peelable: Yes; Pierceable: No
• Solvent resistance: Good, including DMSO; acid and alkali safe

Advantages:

• Provides a strong, 100% effective heat seal for complete seal integrity and sample protection
• Suitable for PCR and water thermal cyclers due to heat resistance and recommended sealing parameters
• Good solvent resistance enables use for long-term storage and transport of compounds in DMSO and organic solvents
• Peelable but non-pierceable design prevents accidental puncture while allowing controlled access to samples