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Metal detectable pens and markers play a crucial role in maintaining food safety, preventing foreign body contamination, and supporting audit compliance. When designed well, they are easy to use, reliable, safe, and capable of withstanding harsh food manufacturing environments.
Ink life is often overlooked, yet it can significantly affect cost and efficiency. Writing length ranges from 1–2 km through to 10 km. Shorter‑life pens may cost less upfront, but need replacement more often. A 10 km ink‑life pen may cost slightly more, but saves money and time.
TIP: Choose pens with tungsten carbide tips for improved durability and reduced damage.
Selecting the right ink for your application is important:
• gel ink pen– best for chilled or sub‑zero environments.
• pressurised ink pen– ideal for greasy or soiled surfaces.
• fine tip permanent marker– best for shiny surfaces.
• Coloured inks – useful for document colour‑coding.
• Standard inks – suitable for general use.
A shatter‑proof detectable pen stays intact if dropped or knocked, lowering the contamination risk. Small fragments are harder to detect, increasing risk. A shatter‑proof design supports safer production.
If your site prohibits retractable pens, choose a pen with a fixed cartridge that doesn’t loosen under pressure. If retractables are permitted, choose a pen with a positive retracting mechanism to lock the cartridge securely.
Small metal springs may not be detected by metal detectors. Choose spring‑free designs for safer use.
Features such as pocket clips and lanyard loops make pen storage easier, improve traceability, and help reduce contamination risk.
Need help selecting metal detectable pens for your site? Our New Zealand‑based team can help you find the right option.
Talk to our food safety experts: https://example.com/contact
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