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Usage of Refractory castables

Sep 09, 2024

Different refractory castables may have different ratio requirements to adapt to different construction environments and requirements. The following are the general usage ratios:

 

1. Ratio of cement to refractory materials: Cement is the main binder of refractory castables, and its ratio to refractory materials is usually between 10% and 20%. The specific ratio may vary depending on factors such as the type, particle size and working temperature of the refractory material.

 

2. Ratio of water to cement: Water is the solvent used to stir refractory castables and is also a key factor in enabling castables to flow and solidify. Generally speaking, the ratio of water to cement is between 0.3:1 and 0.4:1, but the specific ratio may vary depending on product formulation and construction requirements.

 

3. Ratio of other additives: Some refractory castables may require the addition of other special additives, such as plasticizers, crack inhibitors, reinforcing agents, etc., to improve the performance and working ability of the material. The usage ratio of these additives is usually less than 5%.

 

It should be noted that the above ratios are only general reference values, and the specific usage ratios should be determined according to the product manual, manufacturer's recommendations or engineer's guidance. Different refractory castables may have different technical requirements and construction standards. Our company has a professional team of engineers, welcome to consult.

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