Square PP Plastic Container via Injection Moulding

Product Overview

For businesses requiring robust, space-efficient storage solutions, our Injection Molded Polypropylene Square Plastic Pail delivers exceptional performance through advanced manufacturing processes. Produced via high-precision injection moulding, this container achieves consistent wall thickness, sharp corner definition, and a flawless surface finish. The square geometry maximizes pallet and shelf utilization, allowing up to 20% more units per square foot compared to round alternatives. Crafted from food-grade polypropylene, it withstands temperatures ranging from -20°C to 100°C, resists chemical corrosion, and maintains structural integrity under heavy stacking loads. The integrated reinforced rim and optional tamper-evident lid make it suitable for pharmaceuticals, industrial powders, adhesives, and bulk food ingredients. Every batch undergoes rigorous drop testing and leak-proof validation before shipment.

The Square PP Plastic Container combines lightweight handling with heavy-duty durability, thanks to its injection-moulded monolithic body. The absence of seams eliminates weak points, reducing the risk of stress fractures during repeated use. Ultra-smooth interior walls enable complete product discharge, minimizing waste in viscous material applications such as paints, resins, and pastes. Available in translucent or custom opaque colors, it allows visual inventory checks while protecting UV-sensitive contents. The square footprint simplifies automated filling lines and robotic palletizing, seamlessly integrating into existing production workflows. Ergonomic grip recesses on opposing sides enhance manual portability, even when wearing gloves. This design also incorporates optional drainage channels and anti-jamming stacking lugs, making it a versatile choice for logistics, agriculture, and janitorial supply sectors.

Key Specifications

• Manufacturing Process: Single-step injection moulding with multi-cavity tooling
• Material: 100% virgin polypropylene (PP), recyclable, BPA-free
• Available Capacities: 1L, 2.5L, 5L, 10L, 20L, 25L
• Color Options: Natural translucent, white, blue, red (custom RAL matching supported)
• Closure Type: Press-on lid with tear strip or screw cap with induction seal liner
• Stackability: Interlocking base/rim design, static load capacity up to 250 kg for 20L versions
• Temperature Range: -20°C to +100°C continuous service, brief sterilization to 121°C
• Certifications: FDA 21 CFR, EU 10/2011, REACH, RoHS compliant

Dimensional Data (20L Standard Model)

Production Quality Standards

• Leakage test: vacuum decay method, pass rate ≥ 99.99%
• Drop test: 1.2 m vertical drop onto concrete without rupture (filled, conditioned at -10°C)
• Stacking compression: no deformation after 72-hour load at 40°C, 85% RH
• Dimensional tolerance: ±0.5 mm on critical sealing surfaces
• Hygiene: produced in cleanroom environment, optional post-mould deionized air rinsing