Metal Detectable Selection Criteria

Benefits of Metal Detectable Materials

Metal Detectable plastics can add a whole new level of foreign contaminant prevention. What plastic is best for your application? What criteria should you consider when optimizing a detectable material for your food application? Let’s look at a few selection criteria to consider when specifying detectable materials.

ENVIRONMENT DURING PRODUCTION

• •Wet, Dry, Liquid, Frozen or Paste
• •Temperature (Plastics soften as temperature increases)
• •Pressure and Velocity (PV)
• •Friction / Abrasion

CHEMICAL COMPATIBILITY:

Certain materials can react to chemicals.

• Acidic or Basic (E.g., Tomatoes, Apples)
• What chemicals is the part exposed to during cleaning?
• Continuous exposure to hot water or steam

METAL DETECTOR TYPE:

There are several different manufacturers of detection systems. Each detector requires a specific calibration depending on the size, location, and process.

• •Calibration Levels
• •Orientation to Food Stream
• •Aperture Dimensions

Depending upon the sensitivity of your system, smaller pieces (< 3mm) that may break off and fall into the production stream are capable of consistently being detected, allowing product to be set aside for visual inspection, preventing a potentially expensive recall.

We have a long history in proposing the most suitable radiation resistant polymer for any environment. Contact dana Scott or your nearest port plastics sales office for all of your material needs.