What's The Shelf Life Of Plastic Togo Containers?

What's the Shelf Life of Plastic Togo Containers? These Signs Suggest It's Time to Replace Them

Plastic to-go containers are increasingly used, not only for food storage but also for food delivery. But did you know they also have a lifespan and aren't designed to be recycled? In this article, Iris explains the actual shelf life of lunch boxes and when they need to be replaced.

Lunch boxes aren't designed to last forever. They degrade over time, and in severe cases, they can even affect food safety. The durability of plastic to-go containers depends on the material and how they're used.

How Long Do Food-Grade Plastics Last?

PP, PET, PS, and PP are common materials for lunch boxes. PP is known for its heat resistance, withstanding temperatures exceeding 100°C, making it microwaveable and generally durable. PET is commonly used to package cold dishes or salads, and other foods that require a presentable appearance. However, its inherent material properties prevent it from being exposed to high temperatures. PS, on the other hand, is only suitable for disposable packaging, with poor load-bearing and heat resistance. These are more suitable for short-term use than reusable to-go containers, which are more suitable for long-term use but require replacement after a certain period of time.

The Difference Between Disposable and Reusable

The advantage of disposable to-go containers is that they effectively prevent cross-contamination of bacteria and can be thrown away after use, making them very clean and convenient for consumers. However, they also pose a significant environmental burden. While some plastic to-go containers are microwave-safe, these typically have a limited number of uses, and the seal deteriorates over time, making them unsuitable for continuous recycling. Simply put, the former is suitable for takeout, while the latter is recommended for home use or restaurant use.

What Affects the Lifespan of a Lunch Box?

Generally speaking, the more frequently a lunch box is used, the shorter its lifespan. Frequent use in microwaves or ovens increases the risk of deformation and cracking. Storing the lunch box in the refrigerator or away from direct sunlight can keep it longer.

No matter how good your lunch box is, if you notice these signs, it's time to replace it.

Lunch Boxes Are Scratched or Deformed

The most common reason to replace plastic to-go containers is scratches on the surface. Why?  Because scratches can easily trap food residue, leading to bacterial growth due to poor cleaning. Even worse, they can release harmful substances from high temperatures. Deformation is even more noticeable, especially after microwave heating. Any deformation requires immediate replacement.

Lunch Boxes Are Yellowing or Have a Strange Odor

Plastic to-go containers are prone to staining over time. If used to store difficult-to-clean or strong-smelling sauces, they will develop an unpleasant odor over time. This not only affects the taste of the food, but also makes it smell unpleasant. In this case, whether you're at home or in a restaurant, you should discard and replace them.

Poor Sealing

If the lid of a lunch box doesn't close properly, it can't guarantee food safety and prevent leakage. If food is left in a poorly sealed container for extended periods, bacteria can easily grow, creating safety issues. The primary function of a lunch box is to keep food fresh. If this function is lost and the box continues to be used, it can lead to a decline in brand reputation, which is a loss that outweighs the benefits.

Using lunch boxes properly can significantly extend their lifespan.

Cleaning and Storage Matters

First, avoid using steel wool or other hard brushes to clean lunch boxes, as this can easily scratch the surface. It's best to use a soft sponge and a mild detergent. Lunch boxes should also be stored in a dry environment, but away from direct sunlight, as this can cause cracking. For reusable plastic togo containers, it's best to inspect their condition before each use.

Distinguish Between Disposable and Reusable Containers

Disposable togo containers are ideal for takeout, as they're clean and don't require repeated use. For long-term use at home or in a restaurant, or if quality is a priority, reusable togo containers are best. Therefore, when purchasing togo containers, consider the brand's positioning.

Regular Inspection and Replacement

Generally, lunch boxes should be inspected every three to six months. If they show signs of discoloration, deformation, or a loose lid, as described in this article, it's time to replace them. Of course, if you replace the lunch boxes regularly, you can maintain a good brand image and make customers feel more at ease when using them.

Choosing the right lunch boxes is crucial for any catering business. The right boxes can bring significant benefits, balancing costs while also strengthening the brand's image.

Choosing Based on the Food and the Serving

As discussed in the first part of this article, let's review. PP is suitable for hot food, while PET is for cold food. For takeout, use disposable to-go containers, and for dine-in, use reusable, high-quality containers. This approach is a surefire way to go.

Strike a Balance Between Price and Durability

Takeout businesses prioritize cost when purchasing lunch boxes, so disposable containers are the most cost-effective. Chain brands, on the other hand, prioritize customer repurchase rates and brand image. Customized reusable to-go containers are a better choice, showcasing a stronger brand identity in the market.

Balancing Environmental Protection and Brand Image: Yangrui's Advantages

Environmental protection has become a major trend, reflected not only in the materials used for lunch boxes but also in the increasing attention given to this issue by catering companies. Yangrui utilizes advanced German KIEFEL equipment to produce its plastic togo containers, using food-grade ingredients and meticulously crafting them to meet environmental standards. As a manufacturer with over eleven years of experience, Yangrui offers a diverse selection of options, ensuring not only high-quality lunch boxes but also enhancing the brand's environmental image, giving it a competitive edge in the market.

Yangrui specializes in plastic to-go containers, takeout containers, beverage cups, food trays, and biodegradable, eco-friendly lunch boxes. We support bulk purchasing and customization, helping catering businesses gain greater competitiveness in the restaurant takeout, delivery, and retail markets.

Contact information:

Email: sales@packagingbag5.com
Tel: +86 180 8644 3226

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2. Food and Drug Administration (FDA). Food Code and Packaging Safety Standards. U.S. FDA.
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4. Packaging Europe. Trends in Sustainable Food Packaging Materials.
5. ISO 9001 Quality Management Certification Guidelines.