Polystyrene Cooler Boxes for Sale

Trusted by South African Industries for Cold Chain & Packaging 

Our cooler boxes are widely used across: 

• Food distribution: Ideal for meat, dairy, vegetables, and seafood. 
• Pharmaceutical logistics: Maintains temperature integrity for vaccines and medicines. 
• Agriculture: Protects seedlings, flowers, and fruit during transport. 
• Outdoor recreation: Keeps food and drinks cold for camping, beach trips, and events. 
   

EPS is recognized for its thermal insulation properties, with a conductivity rating of 0.035 W/m·K, making it one of the most effective materials for temperature-sensitive packaging. 

How Polystyrene Is Made

• Making styrene monomers is the first step in the process. Petroleum and natural gas are the sources of these monomers.
• Long chains of polystyrene molecules are formed when monomers of styrene go through the polymerization process. Several ways can accomplish this, such as bulk polymerization or suspension polymerization.
• Solid or Foamed Polystyrene: Depending on the desired application, polystyrene can be produced in two main forms:
• General-Purpose Polystyrene (GPPS): Clear, hard, and brittle, GPPS is used for rigid applications.
• Expanded Polystyrene (EPS): Also known as foam or Styrofoam, EPS is lightweight, insulating, and commonly used for packaging and cooler boxes.
• Foaming Process (EPS): EPS is formed by adding a blowing agent during polymerization.An airtight cellular structure is produced as the mixture expands into foam. Insulation is greatly improved by its cellular arrangement.

Applications Across Various Industries

Due to its versatility and durability, polystyrene cooler boxes are essential in many different industries for the safe storage of perishable items.

Polystyrene cooler boxes are indispensable in the food sector for the secure transfer of perishable goods from factories to stores and, finally, to food lovers’ mouths. No matter what you’re shipping—fresh vegetables, dairy goods, meats, or seafood—it’s crucial to keep it at the right temperature to keep it fresh and excellent. The remarkable insulating characteristics of polystyrene guarantee that perishable food items will remain cold or frozen until they reach their final destination.

In the pharmaceutical industry, it is of the utmost importance to keep vaccines and drugs that are sensitive to temperature intact. Reliably transporting these vital products, particularly those that require a precise temperature range to remain functional, is made easy with polystyrene cooler boxes. Protecting medications from temperature changes that could reduce their effectiveness and potency is an important function of polystyrene coolers in healthcare, distribution, and manufacturing facilities.

Transplantable organs, biological samples, diagnostic tests, and medications are just a few of the medical goods that can be transported in polystyrene cooler boxes. Precise temperature control is often necessary to avoid the damage or rotting of these delicate products. To keep medical specimens and supplies safe and viable throughout transport, a cost-effective and efficient option is to use polystyrene coolers.

Plants: Polystyrene cooler boxes are used for storing and transporting seeds, seedlings, flowers, fruits, and other plant materials in the agricultural and horticultural industries. By using these containers, producers and distributors may reach faraway markets without sacrificing product quality, as they shield fragile plant specimens from transportation temperatures that could kill them.

When it comes to outdoor activities like picnics, camping, beach visits, and athletic events, polystyrene cooler boxes are an essential item for every outdoor enthusiast’s gear bag. You can keep your drinks cold and your food fresh on the go with these lightweight and portable coolers, which are perfect for outdoor outings.

Polystyrene cooler boxes are vital in various sectors for transporting perishable items in the best possible condition, avoiding damage along the way. Customers and companies in all kinds of industries love them because of their adaptability, low price, and dependable insulation.

Packing Tips for Maximum Cold Retention 

To optimize cooling performance: 

• Pre-chill the box before use 
• Layer ice packs at the bottom and top 
• Minimize air gaps between items 
• Wrap perishables in newspaper or towels for added insulation 
• Monitor temperature with a thermometer (ideal: below 4°C) 

Cooler Box Sizes, Specifications & Pricing 

Here’s a sample of our most popular cooler box options. Prices are indicative and may vary by region and quantity. 

Bulk discounts are available. Contact us for a quote. 

Care for Your Cooler Box

Properly maintaining your polystyrene cooler box is crucial if you want it to last a long time and keep perishable goods safe.

Cleaning: The cooler box should be carefully washed with a gentle soap and water mixture after each usage. To clean up spills, stains, and food debris, use a sponge or delicate brush. Because polystyrene is easily damaged by abrasive cleaners and harsh chemicals, it is best to avoid using them.

Drying: Allow the cooler box to air dry completely before storing it. Ensure that all moisture is removed, as trapped moisture can lead to mold or mildew growth. Open the lid and drain any excess water from the cooler’s drainage plug, if applicable.

Disinfecting: Regular disinfection of the cooler box is necessary for the elimination of germs and unpleasant smells. A weak bleach solution, or a combination of water and white vinegar, can be used for disinfection. Just add 1 tablespoon of bleach to 1 gallon of water. After disinfection, give the cooler a good rinsing to get rid of any leftover residue.

Keep Out of Direct Light and Extreme Heat: Put the cooler box somewhere cold and dry, out of the reach of direct sunlight and heat. Polystyrene can decay and lose some of its insulating characteristics if exposed to high temperatures over an extended period of time.

Avoiding Sharp Objects: Be cautious when handling the cooler box; the polystyrene material is easily punctured or damaged by contact with sharp objects or rough surfaces. Keep an eye out for damage to the cooler and fix or replace it as soon as you notice it.

Proper Storage: The best way to keep your cooler box dry and airy when it’s not in use is to leave the lid slightly ajar. Do not put heavy items on top of the cooler; doing so will cause the structure to bend with time.

Regular Maintenance: Inspect the cooler box for indications of wear and tear as part of routine maintenance. To make sure everything is working properly and is insulated, replace any worn or broken parts.

Eco-Friendly & Recyclable Packaging 

EPS is recyclable and reusable. According to Dry Ice International, foam packaging contains only 5% polystyrene and 95% air, reducing environmental impact. We encourage responsible disposal and offer guidance on recycling options.

How EPS Insulation Keeps Items Cold 

Expanded polystyrene (EPS) is composed of 98% air and 2% polystyrene, forming a closed-cell structure that traps air and minimizes heat transfer. This makes it ideal for: 

• Maintaining cold temperatures for up to 48 hours with gel ice packs 
• Absorbing shock during transportation 
• Preventing external contamination and bacterial deterioration 

EPS is inert, non-toxic, and compliant with SAPHRA and SANS 10400 standards for food and pharmaceutical packaging.