Standard PCO Neck for Mineral Water Packaging
KENI has over 15 years of experience in mold manufacturing. Our factory has more than 60 employees. We use high-end equipment from CHARMILLES, DMG, and MAZAK. We hold ISO certification. The mineral water bottle cap mould is one of our core products. We design preform molds and cap molds as a complete system. This approach ensures perfect fitting accuracy between the preform and the cap. The standard neck diameter is Φ28mm. This is the PCO standard for mineral water bottles. We focus on this standard because it is widely used in the industry.

Matching Cavity Counts for Preforms and Caps
This mineral water bottle cap mould comes in different cavity options. The preform mold has 48, 72, or 96 cavities. The preform wall thickness ranges from 2.2mm to 2.8mm. The forming cycle time is 30 to 36 seconds per mold. The cap mold has 16, 24, or 32 cavities. The cap forming cycle time is 8 to 12 seconds per mold. The key dimension tolerance is ±0.02mm. The mold life reaches 2 million cycles or more. Our sales team will study your production needs for both preforms and caps. They will recommend the best cavity combination for your target output. This product works well with our capping machines for a complete production line.
Technical Specifications
|
Parameter |
Specification |
|
Standard Neck Diameter |
Φ28mm |
|
Preform Cavities |
48 / 72 / 96 cavities |
|
Preform Wall Thickness |
2.2 – 2.8mm |
|
Preform Cycle Time |
30 – 36s/mold |
|
Cap Cavities |
16 / 24 / 32 cavities |
|
Cap Cycle Time |
8 – 12s/mold |
|
Key Dimension Tolerance |
±0.02mm |
|
Mold Life |
≥ 2,000,000 cycles |
KENI has a professional quality control department. We do a 100% full inspection on every mold. The flash is kept at 0.01mm or less. We accept third-party inspections. We pack each mold in a custom wooden case. We ship from Ningbo or Shanghai. We accept USD or RMB payments. We provide a one-year free warranty. We offer lifetime maintenance. Our R&D team has 10 engineers. They can help you optimize the fitting tolerance between the preform and the cap. If any damage occurs, we solve it right away. Repeat customers save 7 to 10 days on delivery time. This mineral water bottle cap mould is ideal for mineral water preforms and caps, purified water packaging, and drinking water system solutions.

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