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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]

ABNT NBR 15577-4
Aggregates - Alkali-aggregate reactivity Part 4: Determination of expansion on mortar bars by accelerated mortar-bar method

Edition 2018-07-19

Original language Portuguese

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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

ABNT NBR 15577-4 Aggregates - Alkali-aggregate reactivity Part 4: Determination of expansion on mortar bars by accelerated mortar-bar method

Want to learn more?

ABNT NBR 15577-4
Aggregates - Alkali-aggregate reactivity Part 4: Determination of expansion on mortar bars by accelerated mortar-bar method