Advice

• ISO 15378: pharmaceutical packaging standard

  ISO 15378 governs primary packaging for medicines: what it requires, its scope, and how it differs from ISO 9001.

• HDPE, PET, PP: choosing a bottle material

  HDPE, PET and PP differ in barrier properties and clarity: how to choose the right plastic for a bottle.

• Bottle neck finish: what it determines

  A bottle's neck finish diameter and thread determine which closure fits and the seal it achieves: how to read 24-410 or 28-400, with a chart.