28mm PET Bottle Preforms

Enlightening Pallet Industry Co.,Ltd is one of the most professional 28mm pet bottle preforms manufacturers and suppliers in China. Welcome to wholesale hot sale products at competitive price from our factory. Contact us for more cheap products.

 

Product Overview

Enlightening Pallet Industry Co., Ltd. has been operating since 2000 from Shanghai and Ningbo, covering 90,000㎡ with 60 production lines and 700 injection molds. As a reliable PET preform manufacturer in China, we supply high-quality products to wholesale buyers and beverage suppliers around the world.

Our 28mm PET bottle preforms are mainly developed for high-grade drinking water packaging. The material is lightweight but tough enough for long-term use. It maintains stable dimensions even on high-speed automated filling lines.We controlled acetaldehyde ensures the bottled water is safe and tastes pure.

28mm PET Bottle Preforms are suitable for bottles from 200ml to 2L and fully compatible with standard automated filling and capping equipment, making them a preferred choice for factory production lines and manufacturers seeking stable, consistent PET preforms.

 

 

Key Advantages

Solid Structure & Even Wall Thickness
The 28mm PET bottle preforms feature a solid overall structure and even wall thickness, which effectively prevents deformation during production and guarantees accurate filling volume in every bottle.

Low Moisture Absorption & High Transparency
The 28mm PET bottle preforms absorb very little moisture, and their excellent transparency helps wholesale buyers, beverage suppliers, and manufacturers showcase their brand.

Versatile Sizes
Suitable for small, medium, and large bottle specifications.

Smooth Operation on Automated Lines
Fully compatible with all standard production lines in factories across China, ensuring efficient and reliable manufacturing.

Customizable OEM & ODM Options
We also provide full OEM and ODM services, allowing clients to adjust product weight, change body colors, or add custom logos according to their brand positioning and production needs.

 

Product Specifications

Parameter	Specification
Material	Virgin PET, Food-grade PET, rPET options
Weight	11g–56g depending on application
Neck Type	Standard PCO 1810 / PCO 1881
Outer Diameter	28mm
Color Options	Transparent, Light Blue, Green, Amber, White, Black, Custom
OEM/ODM	Supported (logo embossing, weight/color adjustment)
Process	Injection molding
Applications	Bottled water, still beverages

 

Quality Control & Compliance

Comprehensive Quality Testing

We perform full-process testing on every batch of preforms. Our inspections include:

IV Value

Acetaldehyde Content

Moisture Content

Color Consistency

Surface Black Spots

Dimensional Accuracy

 

 

Compliance with Industry Standards
Each product meets a full set of regulations, including:

BB/T 0060-2025

GB/T 17931-2018

GB 4806.7-2023

EU No 10/2011

FDA 21 CFR 177.1630

 

Reliable Performance
Strict quality checks ensure our preforms:

Perform consistently in blow-fill-seal production

Maintain good thermal stability

Have strong stacking resistance during storage and transport

Reduce product loss rates for downstream production

 

FAQ

Q1: Can 28mm PET preforms be used for carbonated beverages?
A: Yes. Both PCO 1810 and PCO 1881 neck designs can keep tight sealing performance for carbonated drinks, no leakage occurs under normal use.

 

Q2: Do they support automated filling lines?
A: Absolutely. We design these preforms with precise dimensional tolerance. They fit perfectly with high-speed filling and capping machines, and can adapt to continuous automated production.

 

Q3: Are samples available before bulk production?
A: We offer free sample services for clients. You can test bottle blowing effects, check cap compatibility, and run line trials with our samples before mass production.

 

 

After-Sales Guarantee

3-Year Warranty
We provide a 3-year warranty on all our products. This covers all manufacturing quality defects, and we offer free replacement for any qualified faulty items.

Professional Technical Support
We respond to technical questions and on-site production issues within 24 hours.

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