White Plastic Disc Top Cap with Glossy Silver Aluminium Collar, 24/410

I receive the packaging description text from the copywriter and verified source materials, and return the final polished version.

Disc top cap with 24/410 thread dispenses the contents without unscrewing: press the edge of the disc, squeeze or tilt the bottle, and close the disc again with the same motion. It suits anywhere the product is dispensed directly from the bottle, such as shampoos, shower gels, conditioners, and body or facial lotions. The silver aluminium shell with a white centre gives the bottle a clean finish without a separate lid that could get lost.

Based on the technical documentation, the cap is suitable for use with cosmetic products. A declaration of conformity is available with the product.

Key features

• One-hand dispensing – the disc opens by pressing one side, the contents flow by squeezing or tilting the bottle, and pressing the other side closes the disc.
• Aluminium shell, PP inside – the metal surface gives the closure a firmer and cooler feel than an all-plastic cap. The dispensing mechanism is made of polypropylene, which resists common cosmetic ingredients.
• Silver and white contrast – the white centre of the disc visually marks the spot to press, and matches both white and clear bottles.
• 24/410 thread – one of the most common neck types for cosmetic bottles.

For which products is it suitable

Disc top works best with contents of medium to higher viscosity that can be squeezed out of the bottle but do not flow through the opening on their own. Typically these are shampoos, shower gels, liquid soaps, conditioners, body and facial lotions, and creamier cleansing gels. From a soft plastic bottle, the contents are dispensed with a gentle squeeze. From a glass or firmer bottle they flow only by tilting, which is more convenient for thinner products.

With very thin liquids (tonics, hydrolates, light oils) the contents may pour out uncontrollably after opening or drip when the bottle is set down. For these, a spray, dropper, or pump is usually more suitable. With thick creams that cannot be squeezed out, the disc is insufficient and a jar or cream pump is a better choice.

Good to know

• Before the first fill wash the cap, optionally disinfect with isopropyl alcohol or ethanol and allow to dry completely. Moisture trapped under the disc would otherwise get into the contents.
• Test the seal with your specific formulation in advance: lay the filled bottle with the cap on its side and turn it upside down for several hours, then check for signs of leakage. The result depends on the viscosity of the contents, surface tension, and the precision of the bottle thread.
• Essential oils and solvents at higher concentrations may soften or discolour polypropylene over time. With perfumed oils, alcohol-based products, or cleaning agents, verify the cap behaviour under prolonged contact.
• The aluminium shell does not wear with normal use, but can dent if dropped on a hard surface. Do not overtighten the cap; tightening until you feel resistance is sufficient.
• Reuse is possible if you wash the cap thoroughly and dry it. When changing the contents, for example from a scented to an unscented product, be aware that the scent may linger in the plastic.

Suitable bottles with a 24/410 neck and ready-made bottle + cap combinations are available in the Handymade range. For your own combination, we recommend verifying the seal and dispensing with your specific formulation.

Frequently asked questions