The Most Mature Solution for 28mm Necks
The 28mm neck is the industry standard for mineral water. KENI has delivered over ten thousand sets of this proven solution. Taizhou KENI Mould Co., Ltd. offers this beverage Mineral water bottle preform mould for the most demanding water lines. Standard neck is Φ28mm. This size works across the industry. Single preform weight is 18 to 32 grams. Standard cavities are 48, 72, or 96. Preform wall thickness is 2.2 to 2.8mm. Cycle time is 30 to 36 seconds per shot. Perpendicularity tolerance is ≤0.03mm. Thread fit tolerance is ±0.02mm. This product is built for high-speed, consistent production.

Every Mold Gets Full Inspection
We inspect every beverage Mineral water bottle preform mould carefully. Neck thread and perpendicularity are checked cavity by cavity. We have a dedicated after-sales team. They visit you regularly. All molds use custom wooden cases for shipping. FOB Ningbo or Shanghai is available. We offer a one-year free warranty and lifetime maintenance. Repeat customers save 7 to 10 days. Flash is kept at ≤0.01mm. We accept third-party inspections. This beverage Mineral water bottle preform mould gives you the reliability that water bottlers need.
Technical Specifications
|
Parameter |
Specification |
|
Standard Neck |
Φ28mm (industry standard) |
|
Single Preform Weight |
18 – 32g |
|
Standard Cavities |
48 / 72 / 96 cavities |
|
Preform Wall Thickness |
2.2 – 2.8mm |
|
Cycle Time |
30 – 36s per shot |
|
Perpendicularity Tolerance |
≤0.03mm |
|
Thread Fit Tolerance |
±0.02mm |
Our factory is in Huangyan, Taizhou. We have over 1,000 square meters of workspace. We use high-precision machines. We are ISO certified. We support OEM and ODM orders. You can order based on drawings or prototypes. Bulk orders get discounts. This product serves mineral water preforms, purified water preforms, beverage preforms, and drinking water packaging. We know that the 28mm neck is the most common size in the world. That is why we have perfected this mold design over many years.

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