Batch for producing a refractory product, method for producing a refractory product, a refractory product and the use of a synthetic raw material

A method of producing a refractory product comprising the following features:

• 8.1 provision of a batch, wherein the batch comprises the following components:
• a base component of at least one refractory ceramic raw material, wherein the base component comprises at least 50% MgO by mass;
• and
• at least one synthetic raw material with the following features:
• the synthetic raw material consists of bodies, the bodies having the following features:
• the bodies consist of grains of at least one refractory ceramic raw material sintered together,
• the bodies having a proportion of clay minerals of less than 10% by mass relative to the total mass of the bodies;
• the bodies have a ratio of (thickness):(width):(length) of (1):(≥1 and ≤length):(≥3),
• 8.2 firing the batch to a refractory product.

A refractory product comprising the following features:

• 9.1 a first area of interconnected grains of at least one refractory ceramic raw material comprising at least 50% MgO by mass;
• and
• 9.2 second areas, the second areas having the following features:
• 9.2.1 the second areas consist of grains of at least one refractory ceramic raw material sintered together, wherein
• 9.2.2. the second areas have proportion of clay minerals of less than 10% by mass relative to the total mass of the second areas;
• 9.2.3 the second areas have a ratio of (thickness):(width):(length) of (1):(≥1 and ≤length):(≥3);
• 9.3 the second regions are arranged without order in the first area;
• 9.4 the first area on the one hand and the second areas on the other hand differ in their respective microstructure.

A method comprising:

• utilizing a synthetic raw material in a batch to produce a refractory product to reduce the modulus of elasticity of a refractory ceramic product which can be produced from the batch, the synthetic raw material having the following features:
• 15.1 the synthetic raw material consists of bodies, the bodies having the following features:
• 15.1.1 the bodies consist of grains of at least one refractory ceramic raw material sintered together, wherein the refractory ceramic raw material comprises a base component, the base component comprises at least 50% MgO by mass, and further wherein
• 15.1.2 the bodies have a proportion of clay minerals of less than 10% by mass, relative to the total mass of the bodies;
• 15.1.3 the bodies have a ratio of (thickness):(width):(length) of (1):(≥1 and ≤length):(≥3);
• 15.2 the synthetic raw material is utilized in a batch to produce a refractory product to reduce the modulus of elasticity of a refractory ceramic product which can be produced from the batch.