The dishwasher's suitability for plastic salt and pepper shakers depends on the specific type of plastic used in their construction. Some plastics are dishwasher-safe, while others are not and can get damaged or warped in the dishwasher's high heat and aggressive washing cycle. Here are some guidelines to help you determine whether your plastic salt and pepper shakers are dishwasher-safe:
Check the label or packaging: The manufacturer may indicate whether the shakers are dishwasher-safe or not. Look for any symbols or text on the bottom or back of the shakers that provide instructions for dishwasher use.
Temperature resistance: Some plastics can withstand high temperatures in the dishwasher, while others cannot. If the shakers are made from polypropylene (PP), high-density polyethylene (HDPE), or acrylonitrile-butadiene-styrene (ABS), they are more likely to be dishwasher-safe. However, if they are made from polycarbonate (PC) or low-density polyethylene (LDPE), they might not be suitable for the dishwasher.
Avoid high heat and drying cycles: If you decide to place plastic shakers in the dishwasher, use a gentle or delicate cycle with lower temperatures to minimize the risk of warping or melting. Additionally, avoid the drying cycle, as the high heat can be harmful to certain types of plastic.
Top rack placement: If you're uncertain about the dishwasher's compatibility with your plastic shakers, consider placing them on the top rack. The top rack is typically exposed to slightly lower temperatures and less direct heat during the wash cycle.
Handwashing: When in doubt, it's always safe to handwash plastic salt and pepper shakers with mild soap and warm water. This approach helps prevent potential damage caused by the dishwasher.
To ensure the longevity and proper functioning of your plastic salt and pepper shakers, consider handwashing them even if they are labeled as dishwasher-safe. Handwashing is generally gentler on plastic and can help preserve their appearance and usability over time.