Plastic bottle, clear round, white screw cap, 28/410, 500 ml

This is a set consisting of a transparent plastic bottle with a 500 ml capacity and a white screw cap, supplied as a ready-to-use, sealing combination with a 28/410 neck finish. The rounded shape and clear material reveal the contents and fill level, making it suitable for products where the customer or manufacturer needs to see how much remains. The plastic is lightweight and shatterproof, which you will appreciate during larger filling runs, during transport, and when used in the bathroom or workshop.

The 500 ml volume is suitable for shower gels, shampoos, body lotions, liquid soaps, massage and bath oils, as well as for intermediates in production, such as hydrolats, surfactant solutions, or prepared water phases. Both the bottle and cap are approved for direct food contact, so the complete set can also be used in a home kitchen. The set is equally declared as suitable for contact with cosmetic products; the declaration of conformity and supporting documents are available with the product listing.

Why choose this set

• Ready-to-use, sealing pair – the bottle and cap share the same neck finish, so there is no need to mix and match or test for leaks; the set is simply filled and closed.
• Transparent plastic – the contents and their colour are visible, making it easy to check the fill level, sediment, or product discolouration.
• Lightweight and shatterproof – suitable for shipments, shower use, and workshop benches where glass would be a hazard.
• Food-grade and cosmetic-grade quality – a single container that works for both cosmetic products and household food use.
• Simple screw closure – can be opened and closed repeatedly; no special handling required during normal use.

How to use the set

The bottle is filled through the 28/410 neck finish, which also allows thicker products such as body lotion or gel to pass through. The cap is tightened by hand; no force is required. Dispensing is done by tilting and pouring, so the set is best suited to products that do not require precise drop-by-drop dosing or spraying.

The bottle should be filled to its nominal volume, not to the brim. The nominal volume is the amount the bottle is rated for under normal filling conditions, while the total brim-full volume is the physical space up to the neck. The difference between the two provides a margin for the cap and for expansion of the contents when temperature changes. Filling the bottle completely to the neck risks overflow during capping and content being pushed out when the bottle warms up.

If you wish to dispense the product in a way other than pouring, choose a closure that matches the neck finish specified in the product parameters. Closures with the same neck finish and ready-made combinations are available in the Handymade range; with a custom combination, we recommend verifying the seal, dispensing behaviour, and compatibility of the container with your specific formulation.

Suitable for products such as

• Rinse-off cosmetics – shower gels, shampoos, liquid soaps, conditioners; 500 ml corresponds to a standard family-size pack.
• Body lotions and light emulsions – pour freely through the neck provided they are not too thick.
• Bath and massage oils – the transparent container shows the colour of the oil and the plastic will not shatter if dropped.
• Hydrolats, tonics, and aqueous solutions – as a stock pack for further decanting into smaller bottles.
• Household food products – home-made oils, syrups, herbal infusions, flavoured vinegars, since the set carries food-contact certification.

Useful things to know

Transparent plastic does not protect the contents from light. Products sensitive to light – such as oils with a high content of unsaturated fatty acids, blends with essential oils, or products containing sensitive active ingredients – should be stored in the dark or in an amber or opaque container. For rinse-off cosmetics and standard products with an adequate antioxidant, a clear container is perfectly suitable.

Plastic may react over time with certain concentrated substances. With contents containing a high proportion of essential oils, neat solvents, or strong acids, we recommend testing the material behaviour on a small sample beforehand – checking, for example, for softening, clouding, or deformation of the bottle wall. Standard cosmetic formulations and food-grade oils do not cause this type of issue.

The cylindrical section of the bottle wall is suitable for label application. At end of life, both the bottle and cap should be placed in sorted plastic waste collection.

Frequently asked questions