28mm Short Neck Preform PCO 1881
28mm Short Neck
PET Preform Specifications
Our 28mm short neck PET preforms with PCO 1881 neck finish are designed for lightweight water, beverage, juice, and carbonated drink bottle production. Made from food-grade PET resin, these preforms support stable blow molding performance, consistent bottle appearance, and reliable cap compatibility when matched with the correct closure system.
Certifications
Technical Parameters
28mm Short Neck PET Preform -- Full Specification Sheet
| Parameter | Details |
|---|---|
| Product Name | 28mm Short Neck PET Preform |
| Neck Size | 28 mm |
| Neck Finish | PCO 1881 Short Neck |
| Material | Food-grade PET resin |
| Weight Options |
12g
14g
16g
18g
20g
24g
Customized
|
| Color |
Transparent
Light Blue
Green
Amber
+ Custom Colors
|
| Application | Water bottles, beverage bottles, juice bottles, CSD bottles |
| Process | Injection molding + stretch blow molding |
| Customization | Weight, color, packaging, mold compatibility |
| Sample | Available for cap matching & blowing test |
PCO 1881 Compatibility
The PCO 1881 short neck finish is widely used in lightweight beverage bottle production. It is suitable for customers looking for material-saving bottle designs and efficient high-volume packaging solutions.
Food-Grade PET Resin
Our 28mm short neck PET preforms are produced from food-grade PET resin suitable for water, juice, beverage, and carbonated drink packaging applications.
Flexible Weight Options
Standard weight options include 12g, 14g, 16g, 18g, 20g, and 24g. Custom preform weights can be developed according to your bottle capacity, strength requirements, filling process, and lightweighting goals.
Custom Mold & Branding
We support transparent, light blue, green, amber, and custom color PET preforms. OEM and ODM options are available for weight customization, color matching, packaging requirements, and bottle mold compatibility.
Why Choose Our 28mm PET Preform?
As a leading custom PET preform manufacturer with 20+ years of experience, Enlightening Plast specializes in 28mm short neck PET preforms designed to meet the rigorous demands of global beverage brands. Our PCO 1881 PET preform range is manufactured with 60+ automated injection molding machines, ensuring consistent quality at every production run.
Each 28mm PET preform specification is engineered for optimal stretch ratios and uniform wall distribution, resulting in bottles with superior clarity, structural integrity, and barrier performance. Whether you need a standard 28mm PET preform weight of 12g for lightweight water bottles or a heavier 24g for carbonated soft drinks, we offer the full range.
Our custom PET preform manufacturer capabilities include color matching, proprietary mold development, and compatibility testing with your existing blowing and capping lines -- ensuring zero downtime when you switch suppliers.
- Precision ±0.1mm -- eliminates cap leakage and blowing defects
- 100% factory inspection + ISO 9001 sampling on every shipment
- Free samples available for cap matching and blowing compatibility test
- Flexible MOQ -- suitable for startups and large-scale beverage factories
Need a Custom Spec?
Tell us your bottle volume, weight target, and production speed -- we'll engineer the perfect preform for your line.
- Quote within 24 hours
- Free sample for testing
- OEM & ODM supported
Free Sample Available
Test our 28mm PCO 1881 preforms on your blowing line before placing a bulk order -- cap matching included.
What Is a 28mm Short Neck
PET Preform?
A practical guide for procurement managers, beverage brands, bottle manufacturers, and packaging engineers evaluating 28mm PCO 1881 short neck PET preforms for bottle production.
The Core Definition
A 28mm short neck PET preform is an injection-molded PET preform used to produce lightweight plastic bottles through stretch blow molding. The “28mm” refers to the neck finish size, which is the threaded bottle mouth area designed to match compatible bottle caps.
The short neck design is commonly associated with the PCO 1881 neck finish, which is widely used in lightweight water, beverage, and carbonated drink bottle production. Compared with traditional long neck designs such as PCO 1810, a 28mm PCO 1881 short neck preform helps reduce material usage around the neck and closure area, making it suitable for high-volume packaging projects where lightweighting and cost control are important.
However, 28mm short neck preforms are not automatically interchangeable with 28mm long neck preforms. Buyers should always confirm the exact neck finish standard, cap type, bottle mold, and filling line requirements before placing a bulk order.
Key Technical Distinctions
The 28mm specification refers to the bottle neck finish size, not the bottle body diameter. It affects cap compatibility, sealing performance, capping equipment suitability, and overall packaging safety.
In many beverage packaging applications, “short neck” refers to the PCO 1881 neck finish. This design uses a shorter neck profile than traditional long neck formats and is commonly selected for lightweight bottle production.
Short neck and long neck preforms may both use a 28mm neck size, but they can have different neck heights, thread profiles, cap requirements, and equipment compatibility. Replacing one with the other without testing may cause cap fitting issues, leakage risk, blow molding instability, or production line adjustment problems.
Typical Applications
28mm short neck PET preforms are widely used in lightweight bottle production for:
Note: The final application depends on preform weight, bottle volume, cap system, filling process, and bottle mold design.
At a Glance
- Product Type
- 28mm Short Neck PET Preform
- Common Neck Finish
- PCO 1881
- Neck Size
- 28mm
- Material
- Food-grade PET resin
- Production Method
- Injection molding
- Downstream Process
- Stretch blow molding
- Main Design Goal
- Lightweight bottle production
- Common Applications
- Water, beverage, juice, sparkling water, CSD bottles
- Customization
- Weight, color, mold compatibility, packaging
Before placing an order, buyers are strongly advised to confirm the following with our technical team to ensure full compatibility with your existing production line:
- Exact neck finish standard -- PCO 1881 and PCO 1810 share the same 28mm diameter but differ in neck height, thread profile, and cap compatibility. Confirm which standard your capping equipment and caps are designed for.
- Cap type and torque specification -- Ensure your current closure supplier's caps are rated and tested for the PCO 1881 neck profile to maintain proper tamper-evidence and carbonation retention.
- Bottle mold compatibility -- The preform body dimensions (length, weight, wall thickness distribution) must be matched to your specific blow mold cavity design. Using a mismatched preform will result in uneven wall distribution, structural failure, or visual defects in the finished bottle.
Our engineering team is available to review your technical drawings, cap specifications, and blow mold parameters before order confirmation. Do not substitute short neck and long neck preforms without full compatibility verification.
Why Choose 28mm PCO 1881
Short Neck Preforms?
28mm PCO 1881 short neck PET preforms are designed for lightweight bottle production, material-saving packaging projects, and modern beverage manufacturing. With a shorter neck profile, stable cap compatibility, and flexible customization options, they are a practical choice for water, beverage, juice, sparkling water, and carbonated drink bottle applications.
Lightweight Bottle Design
Material EfficiencyThe short neck structure helps reduce material usage around the neck and closure area, making 28mm PCO 1881 preforms suitable for lightweight PET bottle production. This is especially valuable for high-volume water and beverage packaging projects where bottle weight and packaging cost are important.
- Suitable for lightweight water and beverage bottle designs
- Helps reduce material usage in the neck and closure area
- Supports packaging weight optimization for high-volume production
Material Saving for High-Volume Production
Cost OptimizationFor beverage brands and bottle manufacturers, even small weight reductions can affect overall packaging cost when production volume is high. 28mm short neck PET preforms help support material-saving bottle designs while maintaining the required bottle performance when properly matched with the bottle mold, cap, and filling process.
- Supports lower resin consumption compared with traditional long neck designs
- Helps improve packaging cost efficiency in large-volume production
- Suitable for cost-sensitive water and beverage packaging projects
Stable PCO 1881 Cap Compatibility
PCO 1881 StandardThe PCO 1881 short neck finish is widely used in lightweight beverage packaging. Stable neck finish dimensions help improve cap fitting, sealing performance, and capping consistency when used with compatible closures and equipment.
- PCO 1881 standard neck finish for broad cap compatibility
- Designed for compatible PCO 1881 caps and closure systems
- Helps reduce leakage risk when matched with the correct cap and capping settings
Suitable for Modern Beverage Lines
High-Speed Compatible28mm PCO 1881 short neck PET preforms are commonly used in modern beverage packaging projects that require lightweight design, stable blow molding performance, and efficient production planning. They can be applied to water bottles, carbonated drink bottles, sparkling beverage bottles, juice bottles, and other selected liquid packaging applications.
- Suitable for water, beverage, juice, sparkling water, and CSD bottle applications
- Engineered to perform reliably on high-speed filling and capping machines
- Aligned with the global trend toward lightweight sustainable packaging
Send us your bottle volume, target preform weight, cap type, application, filling process, and order quantity. Our team will help confirm the suitable 28mm short neck PET preform specification and provide a factory quotation.
Applications of 28mm Short Neck
PET Preforms
Our 28mm short neck PET preforms are designed for lightweight bottle production and modern liquid packaging applications. With a PCO 1881 neck finish, food-grade PET material, and customizable weight and color options, they are suitable for water, carbonated drinks, juice, beverages, and selected custom liquid packaging projects.
Bottled Water
28mm short neck PET preforms are widely used for mineral water, purified water, drinking water, and lightweight bottled water production. For water bottle manufacturers, packaging weight, bottle clarity, sealing performance, and production efficiency are key purchasing factors. Our 28mm PCO 1881 short neck preforms support lightweight bottle designs while maintaining stable bottle appearance when properly matched with the bottle mold and blowing process. They are suitable for high-volume water bottle production where material efficiency and consistent quality are important.
Carbonated Drinks
Carbonated soft drinks and sparkling beverages require careful preform selection because bottle pressure, cap sealing, wall thickness distribution, and filling conditions all affect final bottle performance. Our 28mm short neck PET preforms can be customized for selected CSD and sparkling beverage bottle applications based on bottle volume, preform weight, cap system, and carbonation requirements. The PCO 1881 short neck finish is widely used in lightweight beverage packaging and can support reliable cap matching when used with compatible closures and capping equipment.
Juice & Beverage Bottles
Juice, tea, flavored drinks, and functional beverages need packaging that supports food safety, brand appearance, and stable production. For beverage brands, preform color, bottle shape, filling method, and material performance can all influence the final packaging result. Our 28mm short neck PET preforms are available in transparent, light blue, green, amber, and custom colors. For OEM projects, color matching and bottle design compatibility can be discussed according to your brand requirements, bottle drawing, and production process. For hot-fill or special filling conditions, we recommend confirming the filling temperature, bottle design, and material specification before production.
Custom Liquid Packaging
In addition to standard water and beverage applications, 28mm short neck PET preforms can also be used for selected custom liquid packaging projects. Different liquid contents may require different bottle strength, material selection, filling conditions, and compatibility testing. For specialty products such as functional drinks, sauces, condiments, personal care liquids, or other selected liquid packaging applications, we recommend pre-production testing between the liquid formula, PET material, cap system, and bottle design. Our technical team can support specification matching before mass production to help identify a suitable preform weight, color, neck finish, and mold compatibility solution.
Not sure which application fits your product?
Our engineers will help you identify the right preform specification -- contact us for a free technical consultation.
Custom 28mm Short Neck
PET Preform Solutions
Every bottle project has different production requirements. Enlightening Plast provides custom 28mm short neck PET preform solutions to match your bottle capacity, cap system, mold design, filling process, and brand packaging needs. From preform weight and color to PCO 1881 cap compatibility and mold matching, our team helps you confirm the right specification before moving from sample testing to mass production.
Custom Weight
Preform weight can be adjusted according to bottle capacity, bottle strength, application, filling process, and material-saving targets. Whether you need lightweight preforms for cost-efficient water bottle production or stronger preforms for beverage and CSD applications, we can help recommend a suitable gram weight based on your bottle design.
Our QC engineers with 5+ years of experience ensure every gram weight variant meets your specified tolerance and strength requirements.
Custom Color
Transparent, light blue, green, amber, and custom colors are available for different branding and packaging needs. Clear preforms are commonly used for water and beverage bottles, while tinted or custom-color preforms can help improve shelf appearance and brand differentiation. For OEM orders, Pantone color matching can be arranged based on your color code, physical sample, order quantity, and production requirements.
Provide your Pantone code or physical color sample -- our team will match it precisely for your brand.
Cap Compatibility
Neck finish compatibility is critical for sealing performance, leakage control, and capping machine stability. Our 28mm short neck PET preforms are designed for PCO 1881 compatible caps and closure systems. Customers can provide cap samples, cap drawings, torque requirements, or filling line information for compatibility checking before bulk production.
- Submit your PCO 1881 cap sample or technical drawing
- Filling line specifications accepted for neck finish matching
- Thread profile & sealing performance validated before production
Standard 28mm PCO 1881 neck finish -- compatible with the majority of global capping equipment and cap suppliers.
Mold Compatibility
If you already have bottle molds or existing bottle samples, our technical team can help evaluate whether our 28mm short neck PET preforms are suitable for your current production setup. We can review your bottle mold drawings, bottle dimensions, existing preform sample, and stretch blow molding requirements to recommend a suitable preform specification.
Reduce tooling costs and speed up launch -- leverage your existing mold investment with our compatible preform range.
Tell Us Your Customization Requirements
Whether it's a specific gram weight, a unique Pantone color, a cap sample to match, or an existing mold to evaluate -- our team is ready to help you find the perfect solution.
Quality Control for
28mm Short Neck PET Preforms
Every preform we ship passes a rigorous multi-stage inspection protocol -- so you never have to worry about leakage, cap mismatch, or blowing failures on your production line.
Preform Weight Inspection
Every preform is weighed against the specified gram weight (±0.1g tolerance). Consistent weight ensures uniform wall distribution during bottle blowing and prevents material waste or structural weakness.
- Tolerance: ±0.1g per unit
- 100% in-line weighing on production
- ISO 9001 sampling report available
Neck Finish Dimension Checking
The 28mm neck finish dimensions -- outer diameter, inner diameter, and height -- are verified with calibrated gauges to ensure perfect compatibility with standard 28mm short neck caps used globally.
- OD, ID, height: ±0.1mm tolerance
- Calibrated go/no-go gauge inspection
- Meets PCO 1810 / PCO 1881 standards
Thread & Sealing Surface Inspection
Thread profile, pitch, and sealing surface flatness are inspected to eliminate the root cause of liquid leakage. Any flash, burr, or deformation on the sealing lip is flagged and rejected.
- Thread pitch and depth verification
- Sealing lip flatness & no-burr check
- Zero flash / deformation tolerance
Wall Thickness Distribution Checking
Uneven wall thickness is the #1 cause of unstable bottle blowing. We measure wall thickness at multiple cross-sections to ensure uniform distribution, preventing thin spots, deformation, or burst failure during blowing.
- Multi-point cross-section measurement
- Ultrasonic thickness gauge used
- Eccentricity deviation ≤ 0.3mm
Color & Transparency Inspection
Transparency and color consistency are verified against approved color standards. Hazy, yellowed, or off-color preforms are rejected before packaging -- protecting your brand's visual quality at retail.
- Compared against approved color swatch
- Haze & yellowing index measured
- Batch color consistency verified
Black Spot & Visual Defect Inspection
Each preform is inspected under controlled lighting for black spots, contamination, sink marks, flow lines, bubbles, and surface scratches. Any unit with visible defects is removed before packaging.
- Standardized lightbox visual check
- Black spots, bubbles, sink marks rejected
- AQL 2.5 sampling per shipment
Cap Compatibility Test
Upon request, we test your actual cap on the preform neck to verify torque, tamper band engagement, and leak-proof sealing -- eliminating compatibility surprises on your filling line.
Bottle Blowing Test
Sample preforms can be blown into finished bottles in our facility to verify dimensional accuracy, clarity, and structural integrity -- giving you confidence before full production begins.
Packing Inspection Before Shipment
Carton integrity, packing quantity per box, moisture barrier bags, and pallet stability are all verified before loading. Export-grade packaging prevents damage during long-haul ocean freight.
Our QC Process at a Glance
From raw material to your warehouse -- every stage is controlled.
REACH & RoHS verified
wall thickness checked
AQL 2.5 sampling
inspection report issued
How to Choose the Right
28mm Short Neck PET Preform
Selecting the correct preform requires matching your bottle design, filling process, and market requirements. Use this guide to prepare your inquiry and get an accurate quote faster.
Information Needed for Your Inquiry
Provide these details to receive an accurate quotation
| Information Needed | Why It Matters |
|---|---|
|
Neck Finish
|
Confirms PCO 1881 compatibility with your cap and filling line |
|
Cap Type
|
Affects sealing performance and leakage control during transport |
|
Bottle Volume
|
Determines the correct preform weight and wall thickness |
|
Bottle Mold
|
Preform design must match your mold cavity for optimal blow molding results |
|
Application
|
Water, CSD, juice each require different preform specs and material grades |
|
Filling Process
|
Cold fill, CSD, or hot fill processes affect heat resistance and wall design |
|
Color
|
Impacts brand appearance and shelf visibility; custom colors available |
|
Quantity
|
Affects unit pricing, MOQ, and production scheduling priority |
|
Destination Market
|
Determines required certifications and compliance documents (FDA, CE, REACH, etc.) |
Quick Selection Tips
- For water bottles, standard clear preforms with PCO 1881 neck are the most common choice
- For CSD beverages, higher IV resin and thicker walls are required to handle carbonation pressure
- Custom colors require a minimum order quantity -- contact us for MOQ details
- Provide your existing bottle sample or drawing to speed up the matching process
Get Your Accurate Quotation Now
To get an accurate quotation, please send us your bottle volume, required preform weight, cap type, application, and destination market. Our engineers will respond within 24 hours.
- Free technical consultation included
- Samples available on request
- Certification documents provided
Accepted Certifications
Share your bottle specs with our engineering team. We'll recommend the right preform weight, neck finish, and material grade -- at no cost.
FAQ About 28mm Short Neck PET Preforms
Everything you need to know about PCO 1881, PCO 1810, customization options, and ordering — answered by our product specialists.
Q1
What is a 28mm short neck PET preform?
A 28mm short neck PET preform is a lightweight injection-molded tube made from polyethylene terephthalate (PET) resin, designed with a 28mm neck diameter and a shorter neck height compared to standard preforms. It serves as the raw blank that is stretch-blow-molded into a finished PET bottle.
The short neck design reduces material usage and overall preform weight, making it a cost-effective and eco-friendly choice for high-volume beverage packaging — including water, carbonated soft drinks, juices, and sports drinks.
Q2
Is 28mm short neck the same as PCO 1881?
Yes — in the beverage packaging industry, 28mm short neck and PCO 1881 are used interchangeably. PCO stands for “Plastic Closure Only,” and 1881 refers to the standardized neck finish specification defined by the International Society of Beverage Technologists (ISBT).
The PCO 1881 standard specifies a 28mm outer diameter neck with a shorter thread height (approximately 17.0mm), reducing plastic consumption by up to 30% versus the older PCO 1810 standard. It is now the global industry default for still water and CSD bottles.
Q3
What is the difference between PCO 1881 and PCO 1810?
Both PCO 1881 and PCO 1810 share the same 28mm outer neck diameter, but they differ in neck height, thread profile, and cap compatibility:
| Feature | PCO 1881 (Short Neck) | PCO 1810 (Long Neck) |
|---|---|---|
| Neck Height | ~17.0 mm | ~21.0 mm |
| Neck Diameter | 28 mm | 28 mm |
| Material Savings | Up to 30% less plastic | Standard weight |
| Industry Adoption | Current global standard | Legacy / phasing out |
| Cap Compatibility | PCO 1881 caps only | PCO 1810 caps only |
Q4
Can PCO 1881 caps fit PCO 1810 preforms?
No — PCO 1881 caps and PCO 1810 preforms are not interchangeable.
Although both standards share the same 28mm outer diameter, the thread geometry and neck height differ significantly. A PCO 1881 cap applied to a PCO 1810 neck (or vice versa) will result in improper sealing, potential leakage, and failed tamper-evidence rings — posing serious product quality and safety risks.
Always ensure your preform neck standard matches your closure supplier's specification. When placing an order with Enlightening Plast, our team will confirm your cap source and verify compatibility before production begins.
Q5
What applications are suitable for 28mm short neck preforms?
28mm short neck (PCO 1881) PET preforms are the most widely used preform format globally, suitable for a broad range of liquid packaging applications:
Available in a wide range of weights (typically 14g–38g) to produce bottle volumes from 200ml to 2.5L. Custom neck finishes for non-standard applications are also available upon request.
Q6
Can I customize the weight and color of the preform?
Yes — full customization is available for all orders at Enlightening Plast.
As a specialist in custom PET preform manufacturing, we offer complete flexibility across the following parameters:
- Preform weight: Custom gram weights to match your target bottle volume and wall thickness requirements
- Color: Crystal clear, light blue, green, amber, or any Pantone-matched custom color using FDA/REACH-compliant masterbatch
- Mold design: OEM mold development for unique bottle shapes and proprietary neck finishes
- Material grade: Virgin PET, food-grade rPET (GRS certified), or blended formulations
All custom PET preform orders are validated with dimensional inspection reports and material certificates before shipment.
Q7
Can I get samples before placing a bulk order?
Absolutely — we strongly encourage sample evaluation before committing to bulk production.
Enlightening Plast provides pre-production samples to help you verify dimensional accuracy, material clarity, blow performance, and cap compatibility on your existing filling line. Our typical sample process:
Ready to request samples or get a bulk quote?
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