Preform mould knowleadge.
PET preform mould 
Wide mouth preform mould 
Wide mouth preform mould
This page is about the knowleadge of preform mould knowleadge.
- The diference between neck 24/400, 24/410 and 24/415 on preforms.
24-400 neck 
24-410 neck 
24-415 neck
24 means approximately 24mm of the diameter across outside of the preform thread. 400, 410 and 410 are detail specifiation of the thread style.
24/400. This a very common neck style features a single thread that just slightly overlaps, and requires just a single rotation of the closure.
24/410. Ideal for taller styles of closures, this common neck style offers more height between the sholder of the bottle and the top of the threads. It also requires nearly two full turns of the closure in order to fully seal the package.
24/415. Prefect for pumps and sprayers, a 24-415 neck requires more than two full rotations fo fully apply the closure.