Dishwashers have become a staple in modern kitchens, offering convenience and efficiency. However, not all items are designed to withstand the rigorous cleaning process. Knowing whether a product is dishwasher safe can help preserve its quality and ensure safety. Below, we provide comprehensive guidelines to help you determine if an item is safe for your dishwasher.
Table of Contents
What Does “Dishwasher Safe” Mean?
The term “dishwasher safe” means that the item will not get damaged under the high temperatures, water pressure, and detergents inside a dishwasher. Most manufacturers test their products for these specifications before they say it is dishwasher safe.
How to Identify Items as “Dishwasher Safe”
1. Check for Label or Marking
The easiest way to check is by searching for a marking on the item. Most products have symbols or text like “Dishwasher Safe” engraved or printed on them. Common symbols include:
- A dishwasher icon with water droplets.
- A plate with wavy lines above it.
If there’s no marking, proceed with other evaluation methods.
2. Consider the Material
Different materials react differently to dishwasher conditions. Below is a detailed breakdown:
a) Plastics
- Dishwasher-Safe: BPA-free high-quality plastics such as polypropylene.
- Not Safe: Thin plastics or those labeled “single-use.” These may warp or leach harmful chemicals.
b) Glassware
- Dishwasher-Safe: Tempered or toughened glass.
- Not Safe: Delicate or hand-painted glass. The high temperatures may cause cracks or peeling designs.
c) Metals
- Dishwasher-Safe: Stainless steel.
- Not Safe: Aluminum, cast iron, or copper; these may discolor or corrode.
d) Ceramics and Stoneware
- Dishwasher-Safe: Glazed ceramics labeled as safe.
- Not Safe: Unglazed pottery or items with metallic finishes.
e) Silicone and Rubber
Most food-grade silicone molds and utensils are dishwasher-safe. However, always confirm with the manufacturer.
Testing Unmarked Items
If no markings are present, conduct a small test:
- Temperature Tolerance: Check if the item can withstand temperatures above 70°C (160°F).
- Chemical Resistance: Observe if detergents cause discoloration.
- Test Wash: Position it in the top rack (lesser heat) and check it during the first cycle.
Risks of Washing Inappropriate Items in the Dishwasher
Washing unsuitable items in the dishwasher will result in:
- Damage: Distortion, melting, or breaking of delicate items
- Health Hazards: Toxic chemicals leak from plastics
- Dishwasher Breakdown: Food residue and broken pieces may block the operation of the dishwasher
Household Items to Check Twice
Utensils
- Wooden utensils will crack or soak up water.
- Sharp knives become dull sooner because of the abrasive detergents.
Cookware
- Non-stick pans lose their coating.
- The seals in pressure cooker lids can deteriorate over time.
Ornamental Items
Avoid washing anything with gold or silver embellishments in it.
How to Help Dishwasher Safe Items Last
To make your items last:
- Wash them on Gentle Cycles: The lower temperatures reduce wear and tear.
- Place them on Top Racks: Reduces heat and water pressure.
- Use Mild Detergents: Harsh chemicals can reduce the life, especially for delicate items.
Frequently Asked Questions
Does Every Stainless Steel Belong in the Dishwasher?
No. Although most stainless is dishwasher-safe, knives can dull and insulated containers degrade.
What About Antique or Hand-painted Items?
Avoid it completely. Handwashing can only keep these items in good quality and value.