Engineering Datasheet (PDF)
Drawing, mold cavity specs & stretching ratio parameters
PCO 1881 Preforms (28mm)
28mm PCO 1881 PET Preform – 21.0g
Standard preform for 500ml carbonated soft drinks, cola beverages, and sparkling soda.
Resin Weight
21.0 g ± 0.2 g
Neck Finish
PCO 1881
Neck Size
28 mm
Resin Polymer
High-Barrier Virgin PET Resin (IV 0.82)
Resin Clarity & Colors
Crystal Clear
Emerald Green
Cobalt Blue
Bottle Applications
- 500ml Carbonated Soft Drinks (CSD)
- Sparkling Flavored Beverages
- Tonic & Soda Water
Preform Injection & Optical Performance
The 21.0g preform provides the optimal sidewall thickness and base geometry required to withstand internal pressures generated by up to 4.2 volumes of carbon dioxide. Engineered with pristine crystallization control in the gate area for high-burst resistance.
Molding Specifications
| Parameter | Specification |
|---|---|
| Target Bottle Volume | 500ml – 600ml CSD |
| Burst Pressure Rating | > 10.5 bar (150 psi) |
| Total Length | 94.0 mm |
| Wall Thickness | 2.8 mm ± 0.1 mm |
Related PET Pre-Forms
