Frequently Asked Questions

 

Can your Zerust bags be reused?
Yes, but it is not recommended—even if the bags are still in good condition without holes or tears. Bags that have an excessive number of holes or tears, have large holes or tears, or have begun to crack or lose strength due to excessive exposure to direct sunlight will not provide adequate corrosion protection and should not be reused.

What if I have a rip in my Zerust bag? What should I do?
If the rip is small, you can cover the rip or hole with a high quality piece of tape that is designed to adhere to "low energy" surfaces like polyethylene (please contact NTIC's Technical Service Department for more information). Or, you can fold over the staple the area shut and then seal over the holes made by the staples with the recommended tape. If you havea large rip that you cannot close easily with tape or staples, you should replace the bag with a new one. The best seal is always a "heat seal".

Can I use my Zerust bag in conjunction with oil coating?
A light oil coating on the metal part is fine to use with a Zerust bag. A heavy oil coating may affect the performance of the bag by keeping the corrosion inhibiting vapor molecules from reaching the metal surface. Please contact NTIC to determine the suitability of the oil and application.

How do I know which of your products to use for my type of metal?

  • Ferrous: Iron, steel, and cast iron metals are protected using the Trademark yellow Zerust Ferrous Packaging
  • Non-Ferrous: Aluminum (and aluminum alloys containing copper and/or manganese), copper, brass, bronze, and full galvanized steel are protected using blue or clear Zerust Non-Ferrous packaging.
  • Multimetal: Products that contain combinations of the Ferrous and Non-Ferrous metals listed above can be protected using green or clear Zerust Multimetal Packaging.
  • Silver: Is protected from tarnishing with clear Zerust Silver Packaging.

How do I know that I am measuring length, width, and height correctly?
For Flat Bag, Sheet, Sleeve, and Round Bottom Bags

Width is measured from edge to edge. If it is a slit seal bag, measure inside seal to inside seal, or inside seal to fold.
  Bag length is measured from top of bag to top of bottom seal or fold. 
  Sleeve or sheet length is measured from cut edge to cut edge.