FiT technical papers

Resistance of sealing materials in industrial parts cleaning

In industrial parts cleaning systems, seals and plastic components are regularly exposed to cleaning and rinsing agents. This paper examines the chemical resistance of common sealing materials to various cleaning systems. It demonstrates that, due to a wide range of influencing factors—such as temperature, pressure, or contaminants—it is only possible to make general statements about material compatibility to a limited extent. Based on practical experience from plant manufacturers, chemical suppliers, and users, this overview provides practical guidance for selecting suitable materials. The presentation is supplemented by a tabular comparison of sealing materials and their suitability for use with typical cleaning media.

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Filmic contamination: challenges for modern cleaning system technology

This paper addresses the specific challenges that film-like contaminants on components pose for the selection, design, and operation of modern cleaning systems. It provides a practical introduction to the definition and effects of these non-particulate residues and highlights their impact on process engineering, cleaning chemistry, and media preparation.

The focus is on the interactions between component geometry, material, cleaning methods, and the process environment, as well as the importance of rinsing, drying, and logistics processes. Using spider diagrams, the paper demonstrates how cleaning methods can be compared in terms of their suitability for different requirements. The goal is to provide a holistic perspective in order to produce technically clean components in a sustainable and reproducible manner.

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Safe handling of chemicals: overview of filling, operation and maintenance of cleaning systems

Practical Guide to the Safe Handling of Chemicals in Cleaning Systems (Storage, Filling, Operation, Maintenance).

  • Safe Storage
  • Filling and Refilling
  • System Operation
  • Differences: Solvents vs. Aqueous Cleaners
  • Sampling
  • Draining & Cleaning
  • Maintenance & Servicing

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Media treatment in parts cleaning

Today, industrial parts cleaning is an indispensable part of many manufacturing processes. It ensures that components are free of contaminants—such as oils, cooling lubricants, metal chips, grinding residues, or environmental factors like dust and germs—before further processing, assembly, or shipment. Various cleaning agents, mostly water- or solvent-based, are used for cleaning, which usually concludes with a drying process.

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Manufacturing process planning and optimization with a focus on technical cleanliness

Anyone who plans or oversees manufacturing processes faces key questions. What cleanliness requirements must components meet to ensure that subsequent steps run smoothly? Is a cleaning process necessary—and if so, can the components be cleaned, or should upstream processes be adjusted? Who is responsible for which stage? And how can a sufficient understanding of the process be developed?

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Low-temperature cleaning in industrial component cleaning: fundamentals, advantages, and limitations

Low-temperature cleaning offers the potential to reduce energy consumption and operating costs while protecting sensitive components. But what requirements must be met, and what are the limitations? The new FiT Paper, “Low-Temperature Cleaning in Industrial Component Cleaning,” explains the basics, highlights the advantages and challenges, and provides practical guidance on gradually reducing temperatures in existing systems—without compromising the required component cleanliness.

Download (currently available only in German)

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