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Ceramic VS metal burr, which is better?

Mis à jour : 5 mars 2020

The material for the burrs is almost the most important part of a coffee grinder. Each time the burrs grind the beans, the different materials will act very differently in the outcome of powders. So let's check what's the difference they may have and what's the recommendations for them.

The ceramic and metal burrs are the most common material we encountered when we are purchasing a burr grinder.

Ceramic burr:

This is a material used in normally cheaper grinders. Because of the cheap raw material and simple production methods, the ceramic burrs have a much lower cost.

You can notice that the ceramic burr is rough and not accurate. So the powders ground won't be that fine and accurate. That's why the coffee grinders with these burrs are always designed for the beginners or home use customers.

And there are two things you need to know before place an order of this kind grinder.

  • The thermal conductivity is much lower than metal. So the heat created by the grinding process is not easy to be released. The heat will accumulate and affect the quality of coffee powder in some ways.

  • The ceramic material is easy to be broken. Just be careful and don't let it fall to hard objects.

Metal burr

We normally know them from the expensive grinders. The grinder which is equipped with the burrs made by special metal and special treatment will be much higher cost.

The production process of metal is much more complicated. The expensive device and high-cost material will be needed here. And a professional engineer or more will be in charge of this process. That's why the metal burr will be much more expensive.

The powders ground by the metal burr will be accurate. And the very fine powder can be only made by this kind of burrs.

By the way, the thermal conductivity of metal is always very good. So the burrs can bring the extra heat away from the powders when crushing.

Also, you need to know something before buying metal burr grinders.

  • The metal burrs will wear every time you use. So it is a certain thing that you will change the old burrs after use for a period.

  • The cost of this kind of grinders is a wide range. So you will need more time to check which is suitable for you before you place an order. It is really a lot of money if you want to buy a professional and very good coffee grinder for your shop or hotel. So consider this more times.

After the above words, I think you have got a rough idea of what grinder is suitable for you.

And my suggestions:

To know more about the parameter before buying.

To consider more about what you will use it for?


Hope you a nice day

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Basé près de shanghai, Coffeeappliance est un fournisseur professionnel d'appareils à café et appareils à jus. Notre produit principal est le moulin à café, le mkaer à café, le presse-agrumes et le mélangeur. Possédant la qualité initiale, le prix raisonnable, la promotion de la livraison et un excellent service, nous avons développé un vaste réseau d’agents et d’agents dans le monde entier.