What are the types of riser in Hubei? Take a look at the following content!

1, ordinary riser: the riser made of ordinary modeling materials is called ordinary riser;

2, thermal insulation riser: the riser made of thermal insulation material is called thermal insulation riser, and the metal liquid in the thermal insulation riser has a longer solidification time than the ordinary riser, saving metal;

3. Heating riser: Adding heating agent to the riser material, after pouring metal liquid, the heating agent reacts and heats up, so that the metal liquid can remain in the liquid state for a longer time, saving metal than the thermal riser.

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