Advice for Making Enamel Mug with Rolled Edge

Enamel mug is quite popular in our daily life. It covers all the advantages of a glass or ceramic mug, but it won’t easily be broken like glass or ceramic mugs. And it can be decorated by varies of colors, which makes it colorful and beautiful, looks much better than steel mug. Also, it’s more healthy and environmental friendly than plastic mug.

Nolifrit has many customers who manufacture high quality enamel mugs with very nice appearance.

One of our customer was facing problem to make those enamel mugs. They use 0.3-0.4mm thickness steel plate. Problem comes from the edge. As picture showed, its metal body exposed on the rolled edge. not fully covered by enamel slurry when coating. This problem is very common among most of enamel mug manufacturers.

enamel mug 1

He asked for our help and we offered our professional technical service and advice to solve this problem.

Our advice is as follows:

1-- When casting the steel body, try to make the edge more curving. To make the rim more close to mug wall, like the picture showed:

enamel mug 2

2--  There are some burrs in edge. Try to grind the burrs from sharp edge. This work should be done before welding.

3-- Make mug rabbet upward when drying enamel slurry.

4—By using enamel frit with higher quality, the result could be better.

5—By using steel plate with thickness 0.5-0.6mm, the result could be better.

After taking our advice, our customer solved this problem completely and can make enamel mug with perfect edge:

enamel mug 3

Hunan Noli Enamel Co,. Ltd is the leader manufacturer of enamel frit. Focused on enamel coating for almost 30 years.

We have many kinds of ground coat frit and white frit for enamel mug. For example: Titanium White Frit, Ivory Frit, Titanium Gray Frit and Blue Edge Frit. They are especially suitable for enamel mugs with rolled edge. If you are one of the manufacturers for enamel mug, you can contact us, we will try our best to offer our best enamel frit solutions to you.