Reliable PET Preforms for High-Speed Automated Bottle Production
The Business Benefits of Investing in Plastic PET Preforms
For beverage, drinking water, and food packaging manufacturers seeking greater control over bottle production, our PET preforms offer a cost-effective and flexible production solution.
Save on transportation costs
PET preforms take up far less space than finished bottles. Compared to bulk purchasing of finished bottles, PET preforms help reduce transportation and warehousing costs throughout the supply chain.
Increase Production Flexibility
Preforms of the same neck size can be used to produce bottles of different shapes and capacities, enabling a rapid response to the ever-changing demands of the bottled beverage market.
Improve Warehouse Efficiency
Compact preforms occupy less storage space and are easier to handle. Compared to finished water bottles, they help optimize inventory management.
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Wholesale Pet Preforms for Your Packaging Needs
We supply a wide range of standard-sized PET plastic preforms for you to choose from.
Types of Pet Preform Neck Size
The PET bottles supplied by Enlighting Pallet feature a neck finish design that complies with ISBT standards.
Regardless of your specific cap type, we can provide a corresponding solution.
Neck Size: 28mm BPF
Weight: 45g, 73g, 1016g
Neck Size: 28mm PCO 1810
Weight: 14g, 16g, 18g, 21g, 23g, 25g, 28g, 30g, 32g, 35g, 38g, 42g, 45g, 48g, 52g, 55g
Neck Size: 28mm PCO 1881
Weight: 12.5g, 14g, 16g, 18g, 21g, 23g, 25g, 28g, 30g, 32g, 35g, 38g, 40g, 46g
Neck Size: 29/25mm
Weight: 10.5g，12g，13.5g，15g，19g，22g，26g，28g，30g，32g， 35g
Neck Size: 30mm, 30/25mm
Weight: 13g，14g，16g，17g，18g， 20g，22g，25g，28g，30g，32g， 35g，38g，40g，43g，52g，55g
Neck Size: 38mm
Weight: 16g，18g，20g，25g，27g，28g，30g，32g，38g，42g，48g，52g，55g，65g，70g，75g，80g，85g，88g，90g
Neck Size: 45mm
Weight: 70g，80g，90g，95g，100g，110g，120g，130g，140g，150g，165g，180g
Neck Size: 48mm
Weight: 70g，80g，90g，95g， 100g，110g，122g，130g，140g， 150g，165g，180g，200g
Neck Size: 55mm
Weight: 165g，185g，200g，210g，250g，270g，300g，320g，350g，400g，430g，450g，480g，530g，580g，620g，650g，680g，700g，730g，750g，770g，800g
Not sure which neck finish is right for your bottle design?
Features of Our Pet Bottle Preform
Food-grade Raw Materials
Our preform containers are manufactured using food-grade PET materials that comply with FDA standards.They are ideally suited for producing drinking water bottles. The material is also recyclable and eco-friendly, supporting sustainable development.
Superior Blow-Molding Performance
During the blow-molding process, our preforms heat evenly and exhibit stable stretching properties; they are resistant to off-center blowing or bursting, resulting in a high rate of successfully formed bottles.
High Dimensional Accuracy
Our plastic PET preforms ensure that the wall thickness tolerance of the resulting water bottles is controlled within ≤0.12 mm, featuring uniform thickness that makes them highly suitable for automated bottle-blowing production lines.
Weight Consistency
We can produce PET preforms in bulk as requested, with consistent weight throughout. This prevents uneven material distribution, unstable quality and material waste for finished bottles.
High Transparency and Appearance
Our products are crafted from high-quality PET material and feature exceptional clarity. The finished bottles are free from crystallization points, black spots, air bubbles, or yellowing.
Compatible with Various Cap Types
Our PET plastic preforms are compatible with a wide range of bottle caps—including caps with handles, sealing caps, and tamper-evident caps—ensuring superior sealing performance and preventing any liquid leakage.
Customized PET Preforms to Match Your Packaging Needs
We provide fully customized PET preform solutions to meet your specific bottle design, filling process, and production requirements.
Custom Size, Shape & Weight
Best selling Quantitative injection kettle
Best selling Quantitative injection kettle
Best selling Quantitative injection kettle
Our PET Bottle Preform Applications Across Industries
Our PET preforms are widely used for manufacturing plastic bottles in food, beverage, household, and personal care industries. With excellent clarity, strength, and barrier performance, they are suitable for both carbonated and non-carbonated liquid packaging.
- Bottled Water
- Carbonated Soft Drinks /CSD
- Juice & Tea Beverages Bottles
- Dairy Products Packaging
- Edible /Cooking Oils Bottles
- Household Cleaners
- Cosmetics & Personal Care Bottles
- Pharmaceutical Packaging
- Pet Care Products
Leading Pet Preform Manufacturer in China
We operate our own dedicated PET preform factory, specifically designed to meet the demands of large-scale PET preform production. Equipped with over 60 advanced injection molding machines and supported by an efficient production management system, we maintain a stable output and reliable delivery schedules throughout the year. Whether you require standard preforms or customized solutions, we are fully capable of promptly fulfilling your bulk orders—ensuring superior product quality while providing dependable delivery and comprehensive after-sales support.
Premium Food-Grade PET Resin
We utilize high-quality, food-grade PET resin in bulk to ensure exceptional transparency, strength, and blow-molding performance. Prior to production, we conduct spot checks on the raw materials to verify their consistent quality and to ensure the stable production of bottle preforms.
Advanced Injection Molding Equipment
We adopt oil-free electric injection molding machines complying with medical-grade production standards for standard and custom PET preforms. The equipment has an injection molding repeatability of up to ±0.01mm and a daily production capacity of 100,000 pieces. It is highly efficient and stable in production, which can meet the production of large-volume orders and also control the delivery cycle.
Precision Mold Technology
We offer a range of high-precision injection molds to process PET preforms of various specifications, meeting the needs of all industries. These molds enable precise control over neck dimensions and ensure uniform wall thickness throughout the preform body, guaranteeing product weight consistency and facilitating the mass production of high-quality bottles that fit seamlessly with their corresponding caps.
Our Pet Preform Manufacturing Process
From premium PET resin to finished preforms, every step is carefully controlled to ensure consistent quality,
dimensional accuracy, and reliable blow molding performance.
We utilize high-quality, food-grade PET resin to ensure exceptional clarity, strength, and safety in beverage and food packaging applications.
We melt PET resin at high temperature and then inject it into a precision mold to form the desired preform shape.
Each preform undergoes cooling under controlled conditions to ensure uniform wall thickness and achieve optimal blow molding performance.
We test PET preform weight, bottle neck size, shape, wall thickness, and AA and IV ≥ 0.76 dL/g to ensure that each batch meets quality standards.
Comprehensive Quality Testing for Reliable PET Preforms
Our products undergo the following rigorous quality tests before export to ensure reliable quality.
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Visual InspectionWe employ a CCD vision inspection system that captures images of preform surfaces from multiple angles using industrial cameras, and—in conjunction with AI algorithms—automatically identifies visual defects such as black spots, bubbles, impurities, and burrs.
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Pressure TestingWe utilize a preform internal pressure/hydrostatic burst tester to conduct pressure tests on blow-molded bottles, ensuring there is no risk of leakage or structural failure.
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Dimensional MeasurementWe utilize vernier calipers, projectors, or coordinate measuring machines to precisely inspect critical dimensions, such as the bottle mouth, diameter, and height.
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Weight ControlWe use an electronic balance to precisely weigh each PET preform, ensuring weight consistency and process stability.
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Wall Thickness MeasurementWe utilize ultrasonic thickness gauges or microscopes to measure the wall thickness distribution of preforms, ensuring the uniformity and strength of the finished bottles.
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Light Transmission TestWe use a spectrophotometer to measure the light transmittance of PET materials, ensuring the transparency and aesthetic quality of the bottles.
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Moisture Content MonitoringWe monitor the moisture content of PET raw materials in real time; if it exceeds the specified limit, the drying time is automatically extended to ensure injection molding stability.
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Tensile Strength & Elongation TestWe sample and test the tensile strength (≥50MPa) and elongation at break (≥300%) of the PET preforms to ensure that the preforms can be stretched smoothly without breaking during subsequent blow molding.
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Impact Strength TestWe test the impact resistance of our preforms using an impact testing machine (ensuring a notched impact strength of ≥ 2.5 kJ/m²) to prevent damage caused by collisions during transportation or the blow-molding process.
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Crystallinity TestingWe determine the crystallinity of preforms using Differential Scanning Calorimetry (DSC) (a range of 15%–25% is considered acceptable).
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Acetaldehyde Content TestingWe utilize a gas chromatograph to analyze acetaldehyde content (food-grade preforms require a limit of ≤10 ppm, while preforms for infant and toddler products require ≤5 ppm).
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Migration TestWe test for the migration of harmful substances (such as heavy metals and plasticizers) in bottle preforms in accordance with the GB 4806.7-2016 standard, ensuring that migration levels meet safety requirements under simulated filling conditions (immersion at 40°C for 10 days).
Complete Bottled Water Packaging Solutions
Beyond PET bottle preforms, we also supply matching bottle caps, bottle handles, and water bottle racks to support your entire packaging process. By sourcing compatible components from ENLIGHTING PALLET, you can simplify procurement, improve packaging consistency, and reduce coordination across multiple vendors.
One-stop sourcing for essential packaging components
Better compatibility between preforms, caps, and 5 gallon water racks
Stable supply for large-volume production and distribution
Request a Complete Packaging Solution
FAQ
Q: Do your PET preforms support hot filling?
A: Our products are heat-resistant up to 65°C, BPA-free, and suitable for packaging hot liquids.
Q: Can I purchase preforms of different diameters in bulk from you?
A: Yes, we support mixed wholesale orders. For example, you can purchase both 28mm and 38mm pet preforms at the same time, provided that both sizes meet the minimum order quantity.
Q: Do your PET preform designs support outdoor use?
A: Yes, they do. We can incorporate UV stabilizers to ensure long-term outdoor durability and extend the product's service life.
Q: What is the lead time for your products?
A: We maintain sufficient stock of our standard products, allowing us to ship them within 7 to 15 business days. For customized products, the lead time is 15 to 30 days.
Q: Can you provide samples of PET bottle preforms?
A: Yes, we can provide free samples for you to check the quality. However, you will need to cover the shipping costs.
Q: Which certifications do you support?
A: As a PET preform supplier, we support FDA, EU 10/2011, GB 4806.7, and ISBT neck standards.
Q: How long is the warranty period for your products?
A: All of our products come with a three-year warranty; please feel free to contact us if you encounter any issues during this period.
Enlightening Pallet Industry Co., Limited is one of the most professional pet preform manufacturers and suppliers in China, featured by quality products and competitive price. Please rest assured to wholesale cheap pet preform for sale here from our factory.
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Address
No.339 Hui Xian Road, Jiading District, Shanghai