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Aromatic hydrocarbons — Benzene, xylene and toluene — Determination of density at 20 degrees C

Refractory products — Determination of pyrometric cone equivalent (refractoriness)

Overview ISO 528:1983 specifies a standardized method for determining the pyrometric cone equivalent (PCE) - commonly referred to as refractoriness - of siliceous, low‑alumina fireclay and fireclay r…