Difference between metal elbow and ceramic elbow

We have many materials to choose in the selection of wear-resistant pipe industry, whether to choose metal or ceramic elbow, let's explain the advantages and disadvantages of the two products below!
1: Advantages of ceramics
The advantage of ceramics is that it is light and easy to install. Its ceramics paste a layer of ceramic wear-resistant sheets inside the elbow. The chemical composition inside is chlorine trioxide for wear resistance.
2: Disadvantages of ceramics
It is the ceramic that wears faster when it encounters a large impact force and a large wear force.
3: Advantages of metal
The advantage of metal is that the thickness of the wear-resistant layer is thick, so that the degree of wear resistance is better, and the effect is ideal in some impact-resistant places.
4: Disadvantages of metal
The disadvantage of metal is that it is relatively bulky, and some corrosive particles are not ideal for wear.