LIGHT LABS is pleased to announce the addition of MTC Bio ILP Alphanumeric Index Printed Sealing Films to our catalog — a smart upgrade to the standard plate sealing film that every lab running 96-well plates will appreciate. Available in three formats for PCR, luminescence, and automated workflows, these films bring printed well identifiers (A–H rows, 1–12 columns) directly onto the sealing film surface, eliminating the need for separate well labeling while delivering the same tight, reliable seal labs depend on for sample integrity.

All three films feature an aggressive acrylic pressure-sensitive adhesive, are manufactured in a cleanroom environment, and include perforated end tabs that double as a built-in plate identification labeling area. Whether you're sealing plates for storage, PCR, luminescence assays, or automated pipetting workflows, there's a format in this lineup designed for your application.

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Why Indexed Printed Sealing Films?

In any lab running 96-well plates, misidentification of individual wells is a real and costly source of error — particularly in high-throughput workflows where multiple plates are processed simultaneously. Standard clear or white sealing films require separate labeling of the plate or manual reference to a plate map to track individual well positions. MTC Bio's ILP Indexed Printed Sealing Films solve this elegantly by printing the full alphanumeric grid directly onto the film, so every well is clearly identified the moment the film is applied. This is especially valuable during plate setup, sample addition, and downstream data reconciliation, where a quick visual check of the film can confirm sample placement at a glance.

The films are manufactured in a cleanroom, backed with easy-peel release paper, and cut to fit standard 96-well microplate footprints — ready to use out of the box with no additional equipment.

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The Three Formats

SF083PE-C-PRT — Indexed Clear Seal, PET Polyester, Printed Alphanumerics — $249.90

The general-purpose workhorse of the lineup. The SF083PE-C-PRT is a 3.9 mil clear polyethylene terephthalate (PET) polyester film with acrylic adhesive, designed for PCR and general lab work. The optically transparent construction allows visual inspection of well contents through the sealed film — useful for checking fill levels and spotting air bubbles or contamination before running a plate. The printed alphanumeric grid covers A–H rows and 1–12 columns for complete 96-well identification.

Best for: PCR plate sealing, sample storage, ELISA incubation, general lab sealing applications requiring well-level traceability and visual clarity.

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SF083PE-W-PRT — Indexed Luminescence Seal, White PET, Printed Alphanumerics — $249.90

Designed specifically for luminescence detection and light-sensitive sample applications. The SF083PE-W-PRT uses the same 3.9 mil PET polyester construction and acrylic adhesive as the clear version, but in an opaque white, high-reflectance finish that maximizes light reflection back toward the detector in luminescence plate reader assays — improving signal intensity and assay sensitivity. It also blocks ambient light from reaching light-sensitive samples during incubation or storage, making it equally useful for protecting photosensitive compounds, reagents, or assay components.

Best for: Luminescence assays (HTRF, AlphaScreen, reporter gene assays), bioluminescence, light-sensitive sample protection, fluorescence assays requiring white background enhancement.

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SF061PP-SLT-PRT — Indexed Pre-Slit Seal, Polypropylene, Printed Alphanumerics — $290.50

Built for automated liquid handling and in-process sample access applications. The SF061PP-SLT-PRT is a 3.1 mil clear polypropylene film pre-slit over each individual well of the 96-well format, allowing pipette tips, dispensing needles, or probe tips to pierce through the seal into each well without removing the film. This is the ideal solution for automated workflows where the plate needs to remain sealed between access events — maintaining evaporation protection and contamination barriers while enabling direct sample access through the film. The printed alphanumeric grid remains fully intact for well traceability throughout the automation workflow.

Best for: Automated liquid handling, robotic dispensing systems, compound management, in-process sample access with pipette tips or dispensing probes, any workflow requiring sealed plate access without full film removal.

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Shared Features — All Three Films

• Printed alphanumeric well identifiers (A–H, 1–12) directly on the film surface for fast, error-free well identification
• Aggressive acrylic pressure-sensitive adhesive — tight, positive seal prevents evaporation of VOCs, sample loss, cross-contamination, and pathogen venting
• Perforated end tabs — serve as a built-in plate labeling area, or remove cleanly if not needed
• Easy-peel release backing paper for fast, clean application
• Temperature range: -40°C to +120°C across all three formats
• Cleanroom manufactured for consistent quality
• 500 films per case (50 films/pack, 10 packs/case)

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Quick Reference Summary

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Browse the full MTC Bio sealing film lineup at LIGHT LABS in our Adhesive Films category, or contact us at sales@lightlabsusa.com or 1-800-286-3103 with questions about which format is right for your application.