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Contamination analysis in production
VDA 19.2
Do your products have cleanliness requirements and you don’t know if your facilities and supply chain are able to meet them?
Environmental – Production Process evaluation analyses are a derivative of the VDA 19.2 standard “Technical cleanliness in assembly – Environment, Logistics, Personnel and Assembly Equipment”.
Particle Traps inspection analysis
Environmental and production process contamination inspections and evaluations are a derivative of the VDA 19.2 standard “Technical cleanliness in assembly – Environment, Logistics, Personnel and Assembly Equipment”.
This type of testing is performed by placing particle traps in the production process. The particle trap is used to observe the level of particulate contamination in relevant areas of the production, assembly environment and adjacent areas of any production facility.
The trap, placed and activated in certain areas of the production process, gathers particles and sediments. The adhesive pad is non shiny and is delivered without particle preloading.
After deactivation of the trap, particles are analyzed to calculate the sedimentation value obtained for quantification, although supplementary inspection analyses or combined testing techniques can be performed to obtain further information on request.
Particle traps are used for process development and improvement.

Identify critical areas
Determine the areas to monitor. If you need help, our team of experts can audit your facility (VDA Audit 19.2) to help you identify critical areas for trap placement.

Trap placement
Ideally, traps need to be placed at different heights and in relevant areas of the production process, always in a horizontal position. Placement area must be clean. The trap must be identified in the area provided for this purpose on the trap itself.

Activation
The trap is activated by lifting the protective film covering the membrane. The trap lid should be kept in a clean, closed plastic bag until deactivation.

Exposure
The trap should remain activated for a few days although it is necessary to check them daily. If the particle-trapping membrane should turn completely gray, subsequent inspection would not be possible.

Deactivation
To deactivate the trap, it is necessary to cover the membrane with the previously preserved lid. Date and time of deactivation must also be noted. Deactivated traps must then be shipped to the laboratory for subsequent testing.

Analysis
Once in the laboratory, our team will analyze the particles in the traps to calculate sedimentation value and particle quantification. Additional inspections or combined inspection analysis techniques for more detailed information can also be carried out as requested.
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