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Hydrogen Technologies Standards form the basic framework for market ramp-up
More information
Climate change Standards and specifications support climate targets
More information
Smart Farming Standards and specifications are drivers for the digitalization of agriculture
More information

Standards [CURRENT]

NF B49-421
Refractory products. Chemical analysis of aluminous, siliceous, silicon carbide, carbon and metallic silicon refractory products

Title (German)

FEUERFESTE ERZEUGNISSE. ANALYSE FEUERFESTER ERZEUGNISSE AUF DER BASIS VON ALUMINIUMOXID, SILIZIUMOXID, SILIZIUMKARBID, KOHLENSTOFF UND METALLISCHEM SILIZIUM.

Edition 1990-11-01

Original language French

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Hydrogen Technologies Standards form the basic framework for market ramp-up

Climate change Standards and specifications support climate targets

Smart Farming Standards and specifications are drivers for the digitalization of agriculture

NF B49-421 Refractory products. Chemical analysis of aluminous, siliceous, silicon carbide, carbon and metallic silicon refractory products

Want to learn more?

NF B49-421
Refractory products. Chemical analysis of aluminous, siliceous, silicon carbide, carbon and metallic silicon refractory products