TES-PAPER Single-Use Thermal Indicator Labels – 8-Point, 5-Point & Single-Temperature Thermochromic Temperature Monitoring Strips
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | TES-PAPER |
| Pricing | Available Upon Request |
Overview
TES-PAPER thermal indicator labels are single-use, irreversible thermochromic temperature monitoring strips engineered for rapid, visual, and equipment-free verification of peak surface temperatures in industrial, sanitation, sterilization, and quality assurance processes. Based on calibrated thermochromic pigment technology, each label undergoes a permanent, non-reversible color transition—from white (or light gray) to black—upon reaching its designated activation temperature. This phase-change response is triggered by localized thermal energy absorption and is independent of time duration, though typical response times are under 1 second at target temperature. The system operates on the principle of solid-state thermal activation, not liquid crystal or polymer expansion, ensuring high reproducibility across batches and immunity to electromagnetic interference. Designed for use in non-submerged, dry or lightly humid environments, TES-PAPER labels provide traceable, pass/fail thermal validation without power sources, calibration routines, or data loggers—making them ideal for routine process checks where simplicity, auditability, and cost-per-test efficiency are critical.
Key Features
- Irreversible thermochromic response: Permanent blackening at precise activation temperature; no reversion upon cooling.
- Multiple format options: 8-point (TL8-series), 5-point (TL5-series), single-point (TL1-series), wide-format (TL1-W), tab-style (Tes-PaperTab), and non-adhesive thermo-strip (Tespaperhermo).
- Standardized physical dimensions: 3/8″ × 2 3/8″ (8- and 5-point), 1/2″ × 1 3/4″ (single-point), 1″ × 1 3/4″ (wide-label), 1″ × 5/16″ (tab), and 1/4″ × 2″ (thermo-strip).
- Temperature range coverage: 90–500 °F (32.2–260 °C), with discrete increments available across all configurations.
- Batch-traceable manufacturing: Each production lot undergoes thermal validation per ASTM E2251-22 (Standard Specification for Liquid Crystal and Thermochromic Temperature Indicators).
- No electronics or calibration required: Eliminates dependency on batteries, firmware, or periodic recalibration.
- High-contrast visual readout: Numerical temperature values printed directly on substrate remain legible post-transition.
Sample Compatibility & Compliance
TES-PAPER labels are intended for direct surface application on clean, dry, non-oily, and non-solvent-contaminated substrates—including stainless steel, aluminum, ceramic, and heat-resistant plastics. Due to their non-hermetic construction, 8-point and 5-point formats are unsuitable for immersion in liquids (e.g., water, oil, cleaning solutions); however, single-point TL1-series and Tespaperhermo variants are rated for short-term exposure in aqueous or oily environments when properly affixed. All products comply with ISO 11137-3:2017 (radiation sterilization validation support), FDA 21 CFR Part 11–compatible documentation practices (when used within validated thermal mapping protocols), and GLP/GMP-aligned record-keeping requirements. Labels meet RoHS Directive 2011/65/EU for hazardous substance restrictions and carry no REACH SVHC substances above threshold levels.
Software & Data Management
As passive analog indicators, TES-PAPER labels do not interface with software or generate digital output. However, they integrate seamlessly into digitally managed quality systems: thermal event records may be captured via barcode-scanned lot numbers, photographed with timestamped metadata, or logged manually into LIMS or MES platforms (e.g., LabWare, TrackWise). For audit readiness, each package includes lot-specific Certificate of Conformance with nominal activation tolerances (±2 °F / ±1.1 °C per ASTM E2251-22), expiration date, and storage condition guidance (recommended: 15–25 °C, <60% RH, away from UV exposure). Traceability supports FDA 21 CFR Part 11 compliance when paired with controlled procedural documentation and electronic signature workflows.
Applications
- Validation of thermal disinfection cycles in dishwashers, cage washers, and tunnel sterilizers.
- In-process temperature verification during oven curing, paint baking, powder coating, and PCB reflow soldering.
- Monitoring of autoclave belt temperatures, steam trap performance, and HVAC duct surface heating.
- Sanitation verification in food processing lines (e.g., conveyor belts, filler nozzles, gasket surfaces).
- Pre-shipment thermal stress screening for battery modules, medical device packaging, and aerospace composites.
- Supporting IQ/OQ/PQ protocols in pharmaceutical manufacturing under ICH Q5C and USP .
FAQ
Are TES-PAPER labels reusable?
No. All TES-PAPER thermal indicators are single-use and irreversible. Once activated, the color change cannot be reset.
Can these labels be used underwater or submerged in oil?
Only TL1-series single-point labels and Tespaperhermo strips are suitable for brief contact with water or oil. TL8 and TL5 multi-point formats are not sealed and must remain dry during use.
What is the shelf life and recommended storage?
Unopened packages retain accuracy for 24 months from manufacture date when stored at 15–25 °C and relative humidity below 60%, protected from direct sunlight and solvent vapors.
Do TES-PAPER labels require calibration before use?
No. They are factory-calibrated and supplied with lot-specific CoC. No field calibration is needed or possible.
How is accuracy verified across production lots?
Each lot undergoes statistical thermal validation per ASTM E2251-22 using NIST-traceable dry-block calibrators, with activation tolerance reported as ±2 °F (±1.1 °C) at nominal setpoint.
