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Plastic Bottle Anatomy


plastic  bottle anatomy

Mouth The opening of plastic bottles.Generally, plastic jars have the wide mouth.

Overflow capability:The max volume when a container full filled to the very top.

Neck Finish:The screw-threaded part of the bottles that holds the cap or closure in place.It is usually expressed as two reference numbers such as 24-410, the first number 24 refers to the overall diameter in millimeters, and the second number 410 refers to the thread size.

Threads:The twisted spiral on neck finish to match the corresponding cap or closure.It is very important to the sealability of the plastic bottle.

Bead:The collar beneath the neck where the cap or closure rests.

Wall:The thickness of the plastic containers measured at the side. It varies on the basis of the manufacturing process and original materials.

Standard Capacity:The normal volume when plastic bottles filled with contents up to the shoulder area.

R Angle:The vector angle on the shoulder which determines the shape of the shoulder. Such as cylinder plastic bottle, the R angle on the shoulder is 90 degree.

Shoulder:The area between the top of the body and bottom of the neck.

Label Panel:The body part where labels or printings can be applied

Seat:The indentations under the base that allow the filling or decorating equipment lines to align the bottles for optimum results.

Base:The bottom part of the plastic bottle where recycling codes, material mark or other decorations can be applied. Plastic bottles can stand stably on the shelf with base.



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