A PET beverage preform is a small, pre-molded plastic component that serves as the foundation for creating a PET bottle. It is typically produced using injection molding, where PET resin is melted and injected into a mold to form a preform. The 38mm designation refers to the diameter of the preform's neck, which is an important measurement in determining compatibility with bottle caps and closure systems. Once produced, the preform undergoes a blow-molding process, where it is heated and inflated into the final bottle shape.

The 38mm PET preform is commonly used in the production of beverage bottles, particularly those for carbonated drinks, juices, and bottled water. This size of preform is known for its ability to accommodate a variety of closure types, making it highly adaptable for different product needs.

The 38mm PET preform features a standardized neck finish that is compatible with a wide range of bottle caps. This standardized neck size ensures that manufacturers can use the same type of cap across various product lines, simplifying the production process and reducing costs. The standardized neck also makes it easier for beverage producers to maintain consistency in packaging while accommodating the needs of different types of beverages.

PET material is known for its combination of lightweight properties and exceptional strength. A 38mm PET preform, once blown into a bottle, provides a packaging solution that is both easy to handle and durable. The strength of PET helps protect the contents of the bottle from external forces, ensuring that the product remains safe during storage, transport, and handling. Despite its strength, PET is lighter than glass or other packaging materials, contributing to lower transportation costs and making it an eco-friendlier option in terms of weight reduction.

The 38mm PET beverage preform is highly versatile and can be used to create bottles of various shapes and sizes. Whether producing a small 250ml bottle or a larger 2-liter bottle, the preform can be adapted to meet different requirements. The ability to mold the preform into a variety of bottle designs allows manufacturers to tailor their packaging to the needs of their specific product line, whether it's a standard beverage bottle, an ergonomic bottle for convenience, or a sleek, modern design for premium products.

https://www.petpreformfactory.com/product/pet-preform/38mm-55g-65g-75g-88g-thin-mouth-pet-beverage-preform/
Bottle Mouth Size   38mm Huiyuan Port
Weight in Grams    55g
Reference Capacity    55g
Length（mm）    144
Number of Cartons    256pieces/Box
Remark or Note  Thin Port