Established in 1994, Cometech Testing Machines, Taiwan’s best quality control instrument manufacturer, which has invested in product development, design and manufacturing for a long time. The quality and function of our products continue to update and improve. We have a team of engineers with software and hardware R&D capabilities. In Taiwan, we are the pioneer of QC instrument industry. We are also the largest instrument manufacturer in Taiwan and have our own R&D center.
 
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Medical Testing Equipment ⇓

Cometech QC-652S ( Melt Flow Index Tester )

Key Features

  • Intuitive Touch Panel: Large touch screen interface with step-by-step guidance, ensuring ease of use and minimizing operator error.

  • Dual Test Modes: Fully supports both Method A (MFR) and Method B (MVR) testing within a single unit.

  • High Precision Temperature Control: Advanced PID system maintains temperature stability at ±0.1°C, strictly adhering to international standards.

  • Efficient Data Management: Features automatic statistical calculations and supports data export via USB Flash Drive for easy reporting.

Technical Specifications

  • Conforming Standards: ASTM D1238, ASTM D3364, ISO 1133, GB/T 3682

  • Temperature Range: 50°C – 320°C (Standard) / Up to 400°C (Optional)

  • Sample Cutting: High-precision Automatic Cutting system (accurate to 0.01 seconds).

  • Testing Weights: Supports a full range of standard weights (from 1.2 kg up to 21.6 kg).

  • Standard Accessories: Includes cleaning kit, die calibration plug, and all essential tools for immediate testing.

Applications

  • Incoming QC: Verifying the consistency of plastic resins before the production process.

  • Research & Development (R&D): Analyzing the flow properties of new polymers and material compounds.

  • Production Control: Monitoring Melt Index stability to reduce defects in injection molding and extrusion.

Testing Video ⇓

Cometech QC-548D2 (Mask Elastic Band Tensile Tester )

Key Features

  • Specialized for Masks: Specifically designed to test the tensile strength and elasticity of mask ear loops, ensuring compliance with medical quality standards.

  • 7-inch TFT Color Touch Screen: Supports stand-alone operation with real-time display of test curves and data without needing a PC.

  • Advanced Motor Control: Equipped with a high-performance DC motor and specialized algorithms that provide control accuracy comparable to servo motors.

  • Hardware Safety Protection: Features include force overload protection, upper/lower travel limit switches, and an emergency stop button.

  • Data Management: Internal storage for up to 50 test results, with raw data export via USB or advanced analysis through PC software.

Technical Specifications

  • Maximum Capacity: 5 kN (approx. 500 kg)

  • Conforming Standards: ISO 7500-1, ASTM E4, ASTM D-76, DIN 5122, JIS B7721/B7733, GB/T 228

  • Test Stroke: 800 mm (Model M) / 400 mm (Model S) / 1,100 mm (Model L)

  • Speed Range: 1.0 – 550.0 mm/min (Digital speed setting)

  • Force Resolution: 23 bits (Ultra-high resolution)

  • Connection: RJ45 (TCP/IP) for PC interface and USB port for data saving.

Applications

  • Medical Industry: Testing the tensile strength of mask elastic bands and ear-loop welding points.

  • Textile & Packaging: Suitable for testing elastic tapes, fabrics, single yarns, and adhesive tapes.

  • Universal Testing: Capable of performing tensile, compression, and peeling tests when equipped with appropriate grips.

Testing Video ⇓