Ceramic acid-resistance results can vary because of sample size, reagent, temperature, exposure time, drying, washing and weighing method. Compare suppliers using the same or equivalent test procedure rather than ranking isolated percentages.

Acid-resistance tests are designed for controlled material comparison and batch quality verification. Their results should not be linearly extrapolated into years of packed-tower life because real service includes different geometry, temperature history, chemistry and mechanical stresses.

High compressive strength does not make ceramic packing drop-proof. Ceramic is strong under distributed compression but brittle under impact, so packaging, unloading and tower loading must control sudden localized forces.

Ceramic packing strength naturally shows scatter. Evaluate representative samples using a defined test method and distinguish average strength, minimum strength and process consistency instead of expecting every brittle ceramic piece to fail at exactly the same load.

XRF identifies chemical composition, XRD identifies crystalline phases, and physical tests verify actual product behavior. Good ceramic quality evaluation combines the right method with the engineering problem rather than relying on one laboratory technique.