1L Square Tub

Square profile for tighter packing and cleaner shelf use

This 1 litre square tub is injection moulded for repeatable wall thickness, steady stacking and a lid seat that stays consistent from batch to batch. The square footprint uses shelf and crate space better than a round container, which helps where cartons, trays and store room space are all working hard.

Made in polypropylene or HDPE, depending on the product fill and handling needs, the tub is suited to dry goods, pastes, creams, powders and similar packed products. The shape gives good cube efficiency, while the straight sides make it easier to label, count and pack in a tidy line.

Sizes, material choices and closure options

The 1L format is generally used as a nominal litre pack, and the working fill can be set to suit the product line and headspace needed for the lid. We can guide you on colour, clarity, and wall feel so the tub matches the pack style and the way your team handles it.

• Nominal capacity: 1 litre
• Shape: square profile with flat stacking shoulders
• Materials: polypropylene or HDPE
• Closure: matching snap-on lid options
• Security: tamper seal or tamper evident band options where required
• Finish: natural, white or colour matched runs

For food packs, a food-safe material choice is often preferred, while pharmaceutical and cosmetic packers usually want clean moulding, a neat seal line and low variation across the run. If you need a specific colour or a softer grip around the rim, that can be planned during mould development.

Where this tub fits on a real packing line

The 1L Square Tub is commonly used for foods such as spreads, condiments and prepared ingredients, as well as creams, balms, powders and similar consumer packs. It also works well where product presentation matters on shelf and the pack needs to sit square in a tray or carton without wasted space.

It suits hand packing and automated filling lines alike, provided the lid fit, neck finish and pack size are matched to the line tooling. That check matters when the container must pass through filling heads, lidding stations and secondary packing without snagging or skewing.

• Food packing lines that need tidy stacking
• Pharmaceutical or nutraceutical secondary packs
• Cosmetic jars and tubs for creams or scrubs
• Promotional packs where shelf shape matters

Fit checks before mould and line sign-off

For a new pack, the lid finish, tamper seal detail and stack height should be checked against the actual filling and closing process. If the pack is going into a tray sealer or a manual capping station, the rim profile and lid engagement need to suit the line set-up, otherwise the pack can sit loose or press too hard.

We can assist with trial production runs, line fit checks and pack size planning so the tub suits the product and the filling method. That stage is where small changes in flange width, side wall draft or lid depth can make the difference between a tidy run and a messy one.

• Fill volume and target headspace
• Lid style and seal engagement depth
• Tamper evidence needs
• Colour, opacity and product visibility
• Label panel space and carton layout

Care, storage and handling on site

Injection moulded tubs should be stored flat, clean and away from direct sunlight where possible, especially in warmer inland storerooms or humid coastal conditions. Keep lids and tubs in the same batch grouping where practical, because mixed lots can create variation in fit that a packing line will notice fast.

During use, avoid rough handling around the rim and do not stack heavy loads above the approved stack height, since this can distort the lip and affect closure. A clean pack area helps too, because dust or product residue around the sealing edge can interfere with lid seating and tamper bands.

Ordering details that help us match the right tub

When you ask about the 1L Square Tub, it helps to confirm the product type, filling temperature, required closure and whether the pack must carry a tamper seal. If you need a matching lid, a specific wall colour or a run for one of your existing cartons, those details should be included from the start.

Plastic Factory works from Alrode, Alberton and supplies businesses across Johannesburg, Durban, Cape Town, Pretoria, Port Elizabeth, Germiston and Boksburg. Packers often send the enquiry through the contact page with the product name, estimated usage and the line setup, which helps shape the right container, lid and dispatch plan.

• Product to be packed and intended use
• Preferred material: polypropylene or HDPE
• Colour requirements and opacity
• Lid type and tamper seal need
• Carton or secondary pack layout
• Line speed, manual or automated filling