How to Evaluate the Quality of a Silica Fume Supplier Without Visiting the Factory?
Specifying silica fume from an overseas supplier without an on-site audit introduces real risk: a batch with SiO₂ below 85%, an LOI above 6%, or a moisture content that triggers clumping can compromise pozzolanic reactivity, stall a UHPC mix design, or trigger outright rejection at the job site. The cost is not just the rejected […]
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