Precision for 28mm Standard
The 28mm diameter is the gold standard for drinking water caps. Taizhou KENI Mould Co., Ltd. designed this water bottle cap mold specifically for high-speed water lines. It is mature and stable. We have delivered over ten thousand sets to customers worldwide. This product uses a 1.8mm thread pitch. The tamper-evident band wall thickness is controlled at 0.4 to 0.6mm. We tested this range many times. A thinner band breaks during transport. A thicker band makes it hard for consumers to twist off. Our solution gives you the right balance. The cap weight is 2.2 to 3.0 grams. Cycle time is 9 to 13 seconds per shot. You can choose 16 or 24 cavities. This product fits most standard beverage filling lines without modification.
Tested Breakage Force for Real Use
The tamper-evident band must break at the right force. We set the breakage拉力 at 8 to 12 Newtons. This ensures the band breaks cleanly when opened. It also stays intact during shipping and handling. Every batch of caps from this product is tested for breakage force. Our quality team checks each batch. We reject any caps outside the range. This gives you consistent performance on your packaging line. The mold uses high-quality steel. Cavity hardness is HRC 48 to 52. Lifespan exceeds 1,000,000 shots. We also inspect thread fit with standard bottles. No leaks. No customer complaints. That is what you get with our water bottle cap mold.
Technical Specifications
|
Parameter |
Specification |
|
Standard Diameter |
Φ28mm |
|
Thread Pitch |
1.8mm |
|
Tamper-Evident Band Wall Thickness |
0.4 – 0.6mm |
|
Cap Weight |
2.2 – 3.0g |
|
Breakage Force |
8 – 12N |
|
Cycle Time |
9 – 13s per shot |
|
Cavities |
16 / 24 cavities |
We have over 15 years of experience. Our factory uses STUDER and MAZAK precision equipment. We export to the Middle East, South America, and Europe. Our annual output keeps growing. Every water bottle cap mold is 100% inspected before packing. We accept third-party inspections. If any damage occurs during shipping, we solve it first and trace the cause later. We offer a one-year free warranty and lifetime maintenance. Repeat orders save 7 to 10 days. Our packaging uses custom wooden cases. FOB Ningbo or Shanghai is available. Payment in USD or RMB. This product is perfect for mineral water, purified water, and single-use drinking water caps.
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