PLASTIC BOTTLES
Plastic bottle, clear 20/410, 100 ml
Pack size30 ml100 ml
The clear 100 ml PET bottle with a 20/410 neck finish is designed for thin, liquid cosmetic products where the contents should be visible. full description
Lowest price in the last 30 days: €0.38
Total for 1 pcs: €0.38
Product description
The clear 100 ml PET bottle with a 20/410 neck finish is designed for thin, liquid cosmetic products where the contents should be visible. The clear plastic shows the colour of a toner, oil or gel and tells you at any time how much is left. PET weighs a fraction of glass and does not break when dropped, so it suits the bathroom, travel and samples sent by post. The bottle is supplied in cosmetic grade and technical grade and has an EU declaration of conformity.
What it is suitable for
The 100 ml size matches a typical bottle of facial toner or travel shampoo, and it is also small enough for a test batch that you do not want to make in large quantities.
- Toners, hydrosols and micellar waters – thin water-based products where the clear wall shows the clarity of the contents and immediately reveals any cloudiness or sediment.
- Shower gels, shampoos and conditioners for travel – the 100 ml volume meets the limit for liquids in hand luggage, and a light bottle does not weigh down a wash bag.
- Body and massage oils – packaging that does not break if dropped in hands slippery with oil.
- Samples, raffle prizes and gift sets – light packaging into which a larger batch is decanted for customer trials.
- Technical use – also suitable for water-based cleaning solutions or auxiliary preparations in the workshop.
Nominal and brimful volume
Nominal volume is the volume the bottle is designed for in normal filling. Brimful volume is the physical volume up to the neck and is slightly larger. The difference leaves room for the closure, pump or sprayer and for the expansion of the contents when the temperature changes. Fill to the nominal volume. A bottle filled to the brim overflows when closed, or the pump cannot be inserted.
With a pump or sprayer, bear in mind that the dip tube takes up part of the space in the neck. Before filling in bulk, we recommend filling one bottle, closing it and checking that the contents do not overflow and that the closure seats fully.
Good to know
Before the first filling, rinse the bottle, disinfect it with isopropyl alcohol or ethanol and leave it to dry completely, neck down. Residual water would dilute the finished product and weaken its preservation.
PET is filled cold. A hot product softens the wall, and the bottle may deform or lose the shape of its base, so emulsions and gels are left to cool to room temperature before filling. For the same reason, the bottle cannot be sterilised by boiling or in an oven.
Concentrated essential oils, some solvents and fragrance compositions with a high proportion of citrus components may cloud or soften the PET wall over time. With strongly fragranced oils or anhydrous products, it is worth leaving a test bottle to stand for several weeks and watching the wall and the neck.
The bottle is clear, so the contents are exposed to full daylight. We recommend storing products with antioxidants, vitamins and unrefined oils in the dark, or choosing packaging made of amber or opaque material.
You will find closures with the same neck type and ready-made bottle and closure combinations in the Handymade range. With your own combination, we recommend checking the tightness, the dispensing and the behaviour of the packaging with your specific formulation.
After washing and drying, the bottle can be reused if it is not scratched or cloudy. When it has reached the end of its life, it should go into plastic recycling.
Frequently asked questions
Parameters
Product documentation
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