White plastic screw cap with a ribbed outside for grip, for containers with a PP28 neck.
What decides whether it closes is the thread — not the colour of the glass.
01 · THE THREAD DECIDES, NOT THE COLOUR
A millimetre changes compatibility here, so look at the neck and not the label. This cap closes PP28 thread containers and nothing else: if the bottle is DIN 18, twist-off or another size, it will not thread however similar it looks. Our own catalogue shows the difference clearly: the 20 ml amber royal jelly bottle is PP28 and takes this cap, while the 20, 30 and 50 ml amber propolis bottles are DIN 18 and close with the part from that family. Checking the neck before ordering avoids the classic crossed order.
02 · BEFORE YOU BUY
The cap is sold on its own: no bottle, no pipette. The ribbed outside is not decorative — on a small filling table, with many bottles in a row and slightly greasy hands, a smooth cap slips and this one does not. And if you are packing a food product, ask us for the food-contact declaration before buying quantity: we will confirm it in writing.
| LTA reference | PP28 |
|---|---|
| Type | Screw cap, ribbed outside |
| Thread | PP28 |
| Material | White plastic |
| Fits | 20 ml amber royal jelly bottle (PP28) |
| Does NOT fit | 20/30/50 ml amber propolis bottles (DIN 18) |
| Sold as | Cap only, bottle not included |
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