For Refractory Castables
R-E-D Fume Refractory
R-E-D Silica fume used in refractory castables provides better particle packing. Silica fume used requires less water, while maintaining the same flow characteristics. Silica fume used also promotes low-temperature sintering and the formation of mullite in the matrix of castables. This allows production of castables which have a low permeability to gas, slag and metal penetration. Castables made with silica fume are stronger than non-silica fume castables, especially at high temperatures and higher density. Silica fume use will attain lower porosity and are more volume stable.
R-E-D Silica fume has a stable pH and a low impurity level and is perfectly adapted to the requirements of refractory castables. Its use improves the flow, mechanical properties (especially hot strength), and durability (via permeability reduction).
Silica Fume & Sustainability
R-E-D Industrial Products Silica Fume provides a premium in function and application sustainability. This is how our silica fume product line can make a difference in longevity and viability. See the information below to find out how silica fume can provide confidence that you are making the sustainable choice for your next project.
Applicability for Sustainability:
Increased strength in concrete structures
Resistance to alkali-silica reaction (ASR)
Low permeability to intrusion from corrosives such as water, salt, chloride, and other natural elements
Reduction of life cycle costs
Abrasion and impact resistance
Low permeability makes it well suited for structures that are immersed or near oceans, rivers, and water sources such as bridges, dams, and tunnels.
The ability to protect from abrasion and impact resistance provides a boost in protection for rebar from deterioration and replacement.
Increased strength for use in more wear-and-tear concrete structures that need to reach the standard life cycle span of 50 years.
Increase sustainability in concrete projects
Lower life cycle costs of infrastructure and building projects
An ethically sourced product that can boost your green initiatives
Sustainability Fact: 39% of infrastructure in America is older than its designed lifetimes, while nearly 10% are structurally deficient and 14% are characterized as functionally obsolete .
Creating structures with sustainable solutions such as silica fume are paramount to promoting your project's vitality into the future.
 “The State of U.S. Infrastructure.” Council on Foreign Relations, Council on Foreign Relations, https://www.cfr.org/backgrounder/state-us-infrastructure.