IDM F0006 Free Linear Thermal Shrinkage Tester for Films
| Brand | IDM |
|---|---|
| Origin | Shandong, China |
| Model | F0006 |
| Temperature Range | Ambient to 250 °C |
| Heating Medium | Silicone Oil (50 mL supplied) |
| Compliance | ASTM D2732 |
| Power Supply | 220/240 VAC @ 50 Hz or 110 VAC @ 60 Hz (customizable) |
| Dimensions (H×W×D) | 175 × 200 × 280 mm |
| Weight | 3 kg |
| Includes | Precision cutting template, stainless steel tweezers, aluminum foil disc (Ø2500 µm), calibrated sample cutter |
Overview
The IDM F0006 Free Linear Thermal Shrinkage Tester is a precision benchtop instrument engineered for quantitative assessment of uniaxial dimensional stability in polymeric thin films and thermoshrinkable materials under controlled thermal exposure. It operates on the fundamental principle of free linear thermal contraction: when a polymer film—preconditioned at ambient temperature—is immersed in a heated silicone oil bath, it undergoes isotropic or anisotropic shrinkage due to relaxation of frozen-in stresses and reduction in free volume as temperature rises toward its glass transition region. The instrument measures the percentage change in length (ΔL/L₀ × 100%) along defined axes after a specified dwell time at target temperature, without mechanical constraint—hence “free” shrinkage. This methodology directly aligns with ASTM D2732, the standard test method for determining the free shrinkage of plastic film and sheeting, and serves as a critical quality control parameter for packaging integrity, label adhesion performance, and heat-seal compatibility.
Key Features
- Digitally regulated heating plate with PID-controlled silicone oil bath, enabling stable temperature maintenance from ambient up to 250 °C (±0.5 °C accuracy over full range)
- Integrated high-precision sample cutting template and hardened stainless steel cutter, ensuring reproducible specimen geometry (standard 100 × 10 mm strips per ASTM D2732)
- Aluminum foil reference disc (2500 µm nominal thickness) included for thermal expansion compensation and baseline calibration verification
- Compact footprint (175 × 200 × 280 mm) and lightweight design (3 kg) optimized for QC laboratories with limited bench space
- Dual-voltage power configuration (110 VAC @ 60 Hz or 220/240 VAC @ 50 Hz) supports global deployment without external transformers
- Non-contact measurement workflow: specimens are marked prior to immersion; final dimensions are measured post-cooling using calibrated digital calipers (not included, but recommended per standard)
Sample Compatibility & Compliance
The F0006 accommodates a broad spectrum of flexible polymeric substrates including biaxially oriented polypropylene (BOPP), polyethylene terephthalate (PET), polyvinyl chloride (PVC) pharmaceutical hard sheets, cross-linked polyolefin shrink tubing, photovoltaic backsheet laminates, and metallized barrier films. All tested materials must be cut into rectangular specimens with parallel edges and minimal edge burrs to ensure measurement repeatability. The system fully conforms to ASTM D2732–22, which specifies procedures for reporting both machine-direction (MD) and transverse-direction (TD) shrinkage values after immersion in liquid medium at prescribed temperatures (e.g., 120 °C for PVC, 150 °C for PET). While not inherently GLP-compliant, the instrument supports traceable testing when used with documented SOPs, calibrated ancillary tools (e.g., micrometers per ISO 13528), and audit-ready manual data recording protocols.
Software & Data Management
The F0006 is a manually operated, hardware-only platform with no embedded microprocessor or digital interface. Temperature setpoint and dwell time are managed via front-panel digital display and rotary encoder. Data acquisition—including initial dimension (L₀), final dimension (L₁), shrinkage %, test temperature, and immersion duration—is recorded externally by the operator. For laboratories requiring electronic records, integration with LIMS or ELN systems is achieved through standardized manual entry or optional third-party digital caliper interfaces (e.g., Mitutoyo Digimatic output compatible with RS-232 or USB HID emulation). No firmware, cloud connectivity, or FDA 21 CFR Part 11 compliance features are provided; however, the absence of automated data handling simplifies validation scope for regulated environments where paper-based or validated spreadsheet workflows remain acceptable.
Applications
- Quality assurance of shrink sleeve labels and tamper-evident bands for beverage and pharmaceutical containers
- Evaluation of thermal stability in PV module backsheets exposed to accelerated aging cycles
- Process validation for thermoforming-grade films used in medical device blister packaging
- Comparative analysis of shrink onset temperature and total shrinkage magnitude across resin grades and additive packages
- Supporting root-cause investigation of curling, warping, or delamination in multilayer coextruded structures
FAQ
What standards does the F0006 comply with?
It is designed and verified for full conformance with ASTM D2732–22, “Standard Test Method for Uniaxial Shrinkage of Plastic Film and Sheeting.”
Is silicone oil included with the instrument?
Yes, one 50 mL vial of high-thermal-stability silicone oil (cSt ≥ 500 at 25 °C) is supplied as standard consumables.
Can the instrument be used for non-film materials such as foams or fibers?
No—it is specifically configured for planar, flexible polymeric sheets and tubes with thickness ≤ 0.5 mm. Rigid or porous substrates fall outside its validated operational envelope.
Does the system require annual calibration certification?
While the unit itself contains no certified metrological components, users must verify temperature uniformity and accuracy of the oil bath annually using a NIST-traceable RTD probe, and calibrate all ancillary measuring tools per ISO/IEC 17025 requirements.
