Humidity tester C681M

controltorquefatigue

The C681M Flex Durability Tester is designed to determine the flex durability of flexible films, composite films and coating films by simulating kneading and creasing behaviors encountered during production, processing and transportation. It provides quantitative results (e.g., pinhole count or changes in barrier properties) to support packaging design and practical evaluation.

Product Features

• Multiple test modes & high testing efficiency: Five standard modes (Condition A, B, C, D, E) plus one customizable mode F with user-defined cycles; four stations increase throughput; fast switch between long and short stroke; testing environment temperature and humidity displayed in real time and automatically recorded for data comparison.
• Renowned-brand servo control system: Servo motor control for accurate displacement; dual protection (hardware & software) and auto-reset for safe operation.
• Patented intelligent touch operating system: Industrial-grade touch screen with one-button operation and user-friendly interface; remote upgrade and maintenance; Chinese and English selectable; automatic data storage and power-failure memory; historical data review and easy printing; storage up to 1,200 test records; multi-level user privilege management with password login; optional micro-printer for data export.

Test Standard

• ASTM F392

Applications

• Flexible films, composite films and coating films
  Includes plastic films, sheets and composite films (aluminized films, aluminum-plastic composites, nylon films) and coating films for food or pharmaceutical packaging.
• Paper materials
  Evaluation of flex durability for paper-based materials.

Technical Specifications

• Model: C681M
• Flex frequency: 45 cpm
• Test modes: Condition A (2700 cycles), Condition B (900 cycles), Condition C (270 cycles), Condition D (20 cycles), Condition E (20 cycles partial flex), Condition F (0–20000 cycles)
• Tensile & pressing force: 300 N
• Torque: 2 Nm
• Specimen thickness: ≤2.5 mm (sample clamps required for other thicknesses)
• Flex angle: 440° / 400°
• Horizontal stroke: 155 mm / 80 mm
• Number of stations: 4
• Number of specimens: 1–4 (multiple specimens share tensile & pressing force and torque)
• Specimen size: 280 mm × 200 mm
• Instrument dimensions: 760 mm (L) × 410 mm (W) × 650 mm (H)
• Power supply: 220 VAC ±10% 50 Hz / 120 VAC ±10% 60 Hz
• Net weight: 85 kg
• Standard configurations: instrument, adjustable positioning ring
• Optional parts: micro-printer, sample cutter, hose clamp 64 (91 mm ~ 114 mm)