SATO SR30LT-18385 4x3 Gloss White Polyester Label
The SATO SR30LT-18385 is a premium synthetic polyester thermal transfer label designed for demanding industrial and enterprise labeling applications. Measuring 4" x 3", this SF300 DuraMark label combines gloss white polyester construction with permanent acrylic adhesive to deliver exceptional durability in harsh environments where standard paper labels fail. Each case includes 4 rolls containing 2,000 labels each—8,000 labels total—configured with 3" core ID and 8" outer diameter for seamless compatibility with SATO industrial thermal transfer printers.
Key Features
- 2 mil gloss white polyester facestock with permanent acrylic adhesive for reliable industrial adhesion
- 2,000 labels per roll; 4 rolls per case (8,000 total per case)
- 3" core ID with 8" outer diameter for standard industrial printer compatibility
- Perforated between labels for efficient tear-off dispensing in wound-in orientation
- UL Recognized when printed with SATO R333A or R435B Premier I resin ribbons
- Exceptional chemical, heat, and UV resistance for extended outdoor and indoor durability
Technical Specifications
- Material: Gloss white synthetic polyester with permanent acrylic adhesive
- Label Dimensions: 4" x 3"
- Print Method: Thermal transfer
- Facestock: 2 mil gloss white polyester
- Core Configuration: 3" inner diameter, 8" outer diameter
- Labels Per Roll: 2,000
- Rolls Per Case: 4
- Total Labels Per Case: 8,000
- Regulatory Compliance: UL Recognition (with compatible SATO ribbons)
Applications & Use Cases
The 4x3 format and synthetic construction make these labels ideal for barcode identification, asset tracking, shipping labels, and regulatory compliance marking across warehouse, manufacturing, logistics, and distribution environments. The gloss finish provides excellent print quality for QR codes and detailed barcodes, while the polyester material ensures labels remain readable in temperature fluctuations, chemical exposure, and UV-rich outdoor conditions. UL recognition capability makes this product suitable for electrical equipment identification and other regulated labeling requirements.
Why Synthetic Polyester?
Unlike paper-based labels that deteriorate in moisture, chemicals, and temperature extremes, the SF300 DuraMark polyester construction delivers multi-year label integrity in demanding industrial settings. Permanent acrylic adhesive ensures secure attachment to equipment, containers, and surfaces without peeling or lifting, even after repeated handling or exposure to oils and solvents.
Ted PerryPerspective based on aggregated IP Security Depot and affiliated engineering team experience.
The SR30LT-18385 represents a strategic choice for organizations operating in harsh-environment labeling scenarios. The 4x3 size balances real estate for barcode density with practical label placement on most industrial equipment and packaging. Purchasing in case quantities (8,000 labels) minimizes per-label costs while ensuring consistent supply for high-volume operations.
Compatibility with SATO's R333A and R435B resin ribbons ensures UL recognition without requiring alternative equipment investment. For operations requiring durable identification that survives years of warehouse, outdoor, or chemical exposure, this polyester solution eliminates costly label reapplication cycles and ensures regulatory compliance in regulated industries.