Overstock Storage Solutions
- Material Composition: High-Density Polyethylene (HDPE), Polypropylene, and Carbon Steel.
- Size/Capacity Range: 4-Gallon Jugs to 35-Gallon Open-Head Barrels.
- Compliance/Ratings: UN-Rated and Non-UN configurations; Food-Grade/BPA-Free options.
- Closure Types: Screw Caps (70mm), Open-Top with Removable Lids, and Closed-Head with Bung Openings.
$79.95
$99.95
(You Save 20%)$59.98
$100.00
(You Save 40%)$59.98
$100.00
(You Save 40%)$29.98
$49.98
(You Save 40%)$35.95
$45.95
(You Save 22%)$29.98
$39.98
(You Save 25%)$488.98
$824.99
(You Save 41%)$14.98
$19.98
(You Save 25%)$44.98
$79.97
(You Save 44%)$89.98
$120.00
(You Save 25%)| Product Name | Capacity | Material | Rating/Compliance |
|---|---|---|---|
| New Open Top Black Barrel | 35 Gallon | Steel/Metal | Open Top Configuration |
| Round HDPE Plastic Jug | 5 Gallon | HDPE Plastic | UN-Rated |
| All Plastic Bucket (3-Pack) | 5 Gallon | Plastic | Non-UN Rated |
| BPA-Free Plastic Buckets | 5 Gallon | Plastic | Food-Grade / BPA-Free |
| 90 Mil Plastic Pail (Pallet) | 5 Gallon | HDPE Plastic | Industrial Grade (90 mil) |
| Closed-Head Plastic Jug | 4 Gallon | HDPE Plastic | UN-Rated Options Available |
Open-Head vs. Closed-Head Systems Industrial containers are categorized by their aperture design, which dictates filling and extraction methods. Open-head systems, such as the 35-gallon steel barrel and 5-gallon pails, feature a fully removable cover. This design is utilized for materials that are viscous, granulated, or require manual agitation. The 35-gallon barrel can be modified with lower-side fittings to facilitate drainage while maintaining an open-top access point. Closed-head (or tight-head) configurations, seen in the 4-gallon and 5-gallon HDPE jugs, are manufactured as a single molded unit with small openings. These are engineered for low-viscosity liquids, providing higher structural integrity for stacking and reducing the risk of vapor escape or accidental spills during transit.
Polymer and Metallic Properties The primary materials utilized in this category are High-Density Polyethylene (HDPE) and carbon steel. HDPE is a thermoplastic polymer known for its high strength-to-density ratio and chemical resistance. It is non-reactive with most acids and bases, making it the standard for 4-gallon and 5-gallon liquid jugs. For heavier-duty requirements, the 35-gallon steel barrel provides superior tensile strength and fire resistance. The "mil" thickness—such as the 90-mil specification on 5-gallon pails—measures the wall thickness of the plastic; higher mil counts indicate increased durability and resistance to stress cracking under vertical load.
UN Ratings and Compliance The United Nations (UN) rating system is a standardized set of performance tests for containers intended for the transport of hazardous materials. UN-rated jugs and barrels have undergone drop tests, leak-proof tests, and hydrostatic pressure tests to ensure they meet Department of Transportation (DOT) shipping requirements. Non-UN rated buckets are suitable for non-hazardous waste, secondary containment, or general storage. Additionally, food-grade and BPA-free designations indicate that the plastic resin and any colorants used, such as the pink or red dyes in specific 5-gallon buckets, meet FDA standards for contact with consumable products without chemical leaching.
Cross-Sector Utility Industrial containers serve specialized roles across various sectors. In the chemical industry, UN-rated HDPE jugs are used for the transport of reagents and cleaning concentrates. The agricultural sector utilizes 5-gallon pails for fertilizer and feed storage. In food processing, BPA-free and food-grade buckets are required for the handling of ingredients to prevent cross-contamination. The 35-gallon open-top barrels are frequently employed in manufacturing environments for collecting metal scrap, waste oil, or as primary vessels for batch mixing where easy access to the interior is mandatory for sanitation or component addition.
Technical Factors for Procurement Selecting the appropriate container requires an analysis of chemical compatibility and environmental exposure. Buyers must ensure that the container material is compatible with the pH levels and solvency of the intended contents. Storage environment factors, such as UV exposure or temperature fluctuations, may necessitate specific plastic additives or steel coatings to prevent material degradation. Closure selection is also critical; 70mm caps provide a secure seal for jugs, while the choice between a sink faucet or a Flow-Rite faucet on a barrel depends on the required flow rate and viscosity of the liquid being dispensed. Finally, capacity requirements must account for headspace (ullage) to allow for liquid expansion during thermal changes.
