R&D Technology

Technical articles

Practical knowledge on refractory testing, degradation mechanisms and material performance—grounded in standards work, laboratory analysis and industrial service.

Shengao Refractory founder Mr. Fan Shengliang

Standards & testing

Behind GB/T 2997-2015: testing density and porosity in shaped refractories

How a national standard measures bulk density, apparent porosity and true porosity—and why those values matter when specifying refractory materials.

National standard · Current · Adopts ISO 5017:2013 with modifications

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Waste-incineration boiler waterwall under high-temperature service

Corrosion engineering

How molten-salt fly ash drives boiler corrosion and slagging

A technical examination of chloride concentration, liquid salt films and the accelerating corrosion cycle inside waste-incineration boilers.

Mechanism · Laboratory validation · Field evidence

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Coated and uncoated samples in salt-bath corrosion testing

Material validation

From salt-bath testing to full-scale industrial application

Comparative testing at 500–600 °C and plant inspections show how ceramic-metal protection translates from the laboratory to longer service life.

Test data · Side-by-side comparison · Operating results

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