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Can End Deep Dive: B64 vs CDL – A Comparative Look


Behind every great beverage, there's a carefully chosen can end. It might not be the star of the show, but it sure plays a crucial role. In the lineup, B64 and CDL (Countersink Double Seam Lid) can ends are the two most common format, each with their own strengths.

We're here to walk you through what sets these two apart, and how they fit snugly into your next production run.

En bref

Feature/Aspect B64 Can End CDL Can End
Material Thickness Thicker, more material Lighter, less material
Environmental Impact Higher due to more material used Lower, more sustainable
Industry Usage Traditional standard, widely used Innovative, growing in popularity
Pros Durable, widely accepted, easy to open Eco-friendly, lower material costs, subtly smoother opening
Cons Higher environmental impact, heavier Less established, may need seamer/line adjustments

In summary - The B64 is the traditional go-to, known for its tested reliability and durability, albeit being a heavier option. On the flip side, the CDL is a newer, lighter alternative that offers a subtly smoother opening experience. However, it's important to note that CDL might require adjustments to seamers or production lines. And ultimately, the choice depends on balancing these factors with your specific packaging needs.

Essential steps before switching between B64 and CDL

So, you've weighed the pros and cons and decided it's time for a change. Switching from B64 to CDL can ends (or vice versa) isn’t just a matter of flipping a switch. It’s a strategic move that requires some prep work. Here's a general game plan, broken down into some digestible steps, to ensure that the transition is as smooth as your favourite brew.

Seamer Adjustment
Chuck and Roll Profile: Match seamer components to the can end type. Incorrect matches can lead to poor seams or can damage.
Seaming Operation: Calibrate seamer pressure and motion for the specific end type to ensure an airtight and damage-free seal.

Quality Control Checks
• Conduct thorough inspections for seam integrity and consistency. Ensure no leaks and recalibrate seam inspection equipment as needed.

Staff Training
• Educate operators on equipment adjustments or new machinery handling to maintain production quality and efficiency.

Trial Runs:
• Perform test batches to adjust the process and address potential issues before full-scale transition.

And there you have it – a roadmap to a seamless switch in can ends. Like a well-crafted brew, a successful transition is all about attention to detail and a bit of patience. Cheers to your next successful venture in canning!

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