# GME30.21 - PET finish 30/25H (18.5) — Packaging specification equivalence: neck finishes, corrugated grades and pallet standards

For GME30.21 - PET finish 30/25H (18.5), specification type is neck_finish; description is Specifications and dimensions of the 30 mm tall screw finish with three (3) thread starts for flat waters and non carbonated beverages. Can be used for aseptic filling and filling with introduction of nitrogen; primary dimension is 30 mm diameter, 18.5 mm height from top of finish; equivalence or compatibility note is Three thread starts, for flat waters and non carbonated beverages; additional data is Can be used for aseptic filling and filling with introduction of nitrogen, recorded from its source on 2026-08-12.

- **Specification ID:** GME30.21 - PET finish 30/25H (18.5) _(verified: appears in the quote below)_
- **Specification type:** neck_finish _(our reading, not quoted from the source)_
- **Description:** Specifications and dimensions of the 30 mm tall screw finish with three (3) thread starts for flat waters and non carbonated beverages. Can be used for aseptic filling and filling with introduction of nitrogen. _(verified: appears in the quote below)_
- **Primary dimension:** 30 mm diameter, 18.5 mm height from top of finish
- **Equivalence or compatibility note:** Three thread starts, for flat waters and non carbonated beverages _(verified: appears in the quote below)_
- **Additional data:** Can be used for aseptic filling and filling with introduction of nitrogen _(verified: appears in the quote below)_

## What the source says

> See detail GME30.21 - PET finish 30/25H (18.5) 01/12/2007 Specifications and dimensions of the 30 mm tall screw finish with three (3) thread starts for flat waters and non carbonated beverages. This finish can be used for aseptic filling and filling with introduction of nitrogen.

## Source

- https://www.cetie.org/en/finish-data-sheets-gme_102.html

Last verified: 2026-08-12. Review by: 2028-08-11.
Part of [Packaging specification equivalence: neck finishes, corrugated grades and pallet standards](https://referencesource.org/packaging-material-specification-equivalence/).