descriptions
This 3 Gallon Cleaning PET Preform is made from clear food-grade PET and blown into thick-walled bottles for water or liquid cleaning products. The neck fits standard 3 gallon caps. These preforms heat evenly during blowing, resist pressure and impact, and work with both semi-automatic and fully automatic blow molding machines. As a manufacturer based in China, we supply wholesale orders with consistent quality you can count on.
specifications
| Weight | Neck Size | Outer Dia |
| 270G | 3 Gallon | 55 MM |
| 310G | 3 Gallon | 55 MM |
| 350G | 3 Gallon | 55 MM |
| 450G | 3 Gallon | 55 MM |
| 530G | 3 Gallon | 55 MM |
| 660G | 3 Gallon | 55 MM |
| 680G | 3 Gallon | 55 MM |
| 700G | 3 Gallon | 55 MM |
| 730G | 3 Gallon | 55 MM |
| 750G | 3 Gallon | 55 MM |
| 800G | 3 Gallon | 55 MM |
advantages
Material & Safety
The 3-gallon PET preform is made of 100% virgin PET. The material complies with FDA food contact standards, enabling co-production of bottled water and disinfectants without cross-contamination risks. Virgin PET delivers consistent clarity, allowing end consumers to visually verify product cleanliness and build brand trust.
Wall Thickness & Structural Stability
The preform wall thickness is engineered for even material distribution during blow molding. Reinforced extra thickness is applied to stress-concentrated neck and base areas. Finished 3-gallon bottles retain their shape under full water pressure and rough handling, free of bulging, tilting or collapsing during warehouse stacking and truck transportation.
Compatible Processes
It performs stably for both hot filling and cold filling, free of stress whitening or neck deformation. Compatible with semi-automatic and fully automatic blow molding machines with minimal mold changeovers, making it an ideal choice for co-packers running multiple product lines.
Precision & Consistency
Threads of the 55mm neck on our 3 Gallon Cleaning PET Preform are controlled within ±0.2mm tolerance across all batches, with unit weight deviation no more than ±2g per batch.
FAQ
Q: What's the lead time for wholesale orders?
A: Standard sizes take 7–15 days after deposit confirmation. Custom orders typically need 15–20 days before shipping.
Q: What products can these preforms be used for?
A: They're made from food-grade PET, so they work for both bottled water and cleaning products like dish soap, floor cleaners, disinfectants, and bleach. One preform, multiple applications.
Q: Do you inspect the preforms before shipping?
A: Yes. Every batch is checked for wall thickness, neck thread accuracy, and impact resistance at our factory before leaving.
Q: Does the neck deform easily after blowing?
A: No. The neck goes through an annealing process for better heat stability, so it holds its shape and seals tightly with the cap.
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