Quality

Quality Assurance

All cardboard cores and tubes are produced using structured workflows designed to ensure stable processes, efficient material use, and predictable results. Quality control is applied throughout the production cycle — from incoming raw materials to final inspection of finished products.

We use certified and responsibly sourced raw materials from European suppliers, supported by calibrated measuring instruments and a structured quality monitoring system. This enables precise control of key parameters such as diameter accuracy, wall structure, moisture content, and length tolerances.

Smartubes operates with production and quality management practices aligned with internationally recognised ISO principles. Our internal systems are designed to support continuous improvement, process stability, and environmental responsibility.

Our quality strengths

  • Precise moisture content control
  • Stable and accurate internal and external diameters
  • Consistent and repeatable length tolerances
  • Certified and responsibly sourced raw materials
  • Calibrated measuring instruments and monitoring systems
  • Efficient production aligned with 5S and LEAN principles
  • Product testing in accredited laboratories available upon request

Independent laboratory testing

Upon request, Smartubes can arrange independent product testing through accredited laboratories. Available testing methods include:

  • Radial and axial crush testing
  • Surface roughness measurement
  • Mechanical performance and load-related analysis

Independent testing is typically used for load-critical applications, qualification processes, and customer validation requirements.