UK Metal Customized Keychains For Him

What is the difference between hard enamel and soft enamel?

For soft enamel and hard enamel craft with different feelings.The custom enamel keychain are welcome in our popular life.

Different production materials: Hard enamel with copper as raw materials, andsoft enamel can choose copper, iron, aluminum raw materials. 
Coloring raw materials are different: hard enamel is the use of a color paste, and soft enamel is the use of color paint, the concentration ratio of the two is different. 
The production process is different:hard enamel is the first color, baking, grinding, electroplating, and the process of soft enamel is the first grinding, plating, and then color, baking, the two baking temperature is different 
The quality of the finished product is different: the surface of the hard enamel is smooth when you feel it, and the soft enamel is concave and convex 
The price is different: hard enamel keychain custom logo are premium logo keychains, more expensive than soft enamel keychain.

Metal keychain