Share to:

28mm Z28 Single Piece Aseptic Cold Filling Cap (Fig.)


1. Introduction:

The 28mm Z28 single piece aseptic cold filling cap is made of high-performance plastic bottle cap special material. When the opening torque is 5 ~ 19 inch-lbs, it has excellent sealing effect, and can be used for aseptic cold filling of tea and fruit juice drinks and water canning.


2. Product specification:

Cap weight (g)                       total weight                                              2.55 ± 0.15

External dimension (mm)      cap height                                                19.7 ± 0.3

cap maximum outer diameter                 31.7 ± 0.3

outer diameter of anti-slip tooth (3mm away from the top of cap)    29.8 ± 0.3.


3. Application parameters:

Bottle mouth standard: 28mm PCO

Cap model: Z28

Cap material: PE

Recommended top pressure setting: 20 ± 3kg

Recommended static torque setting: 15 ± 3 inch-lbs

Opening torque: 5-19 inch-lbs

The recommended on-line opening torque control range: 8 ~ 13 inch-lbs (After the bottle cooler)



The above application parameters are obtained from the filling test on Krones capping machine in Germany. When using z28 bottle cap, appropriate test and adjustment may be needed.


4. Characteristic curve normal temperature opening torque (inch-lbs) - time trend

Product Inquiry




 +86 13962225004

 +86 13962225004

Production Base: No.3 Jinxiu Road, Jiangsu Yangtze River Internatioanl Metallurgical Industrial Park, Jinfeng Town, Zhangjiagang City, Jiangsu P.R. China.

Office Add.:Room 611, Guotai New World Plaza, NO.19 East Renmin Road, Zhangjiagang, Jiangsu,P.R. China.



Copyright ©  2020 Zhangjiagang Zhongzheng Import And Export Co., Ltd

Product Inquiry