Porvair Sciences 85 µm permanent Aluminium (Black) heat sealing foil 229574

85 µm aluminium black heat sealing foil designed to provide permanent, strong heat seals for microplates and sheet-format applications. The foil is intended for long-term sample protection, compatible with PCR and low-temperature storage workflows, and supplies an opaque barrier to light and contaminants. Typical uses include secure sealing of compound libraries, PCR plates and low-temperature sample storage where a durable, non-peelable seal is required.

Key Features:

• Thickness: 85 µm
• Material: Aluminium (black, opaque)
• Format and sheet size: 125 mm x 78 mm sheets
• Quantity: 100 sheets per pack
• Seal type and integrity: Permanent heat seal with usable temperature range down to -80°C and up to 200°C
• Application: PCR and long-term compound storage
• Pierceable: No (non-pierceable, permanent)

Advantages:

• Provides a strong, permanent heat seal suitable for long-term storage and transport of samples
• Opaque black aluminium offers light protection and a clear colour code for sample identification
• High solvent resistance supports storage of samples in solvents such as DMSO
• Sheet format in standard 125 x 78 mm size enables use with manual and semi-automated sheet sealers