Natural Pozzolan Association Inc

The Natural Pozzolan Association (NPA) is a collective of natural pozzolan producers dedicated to enhancing the performance and durability of concrete infrastructure across the nation. By promoting the understanding and utilization of high-quality naturally-occurring supplementary cementitious materials, the NPA aims to improve concrete durability through sustainable practices.

Natural pozzolans are defined as siliceous or siliceous and aluminous materials that, when finely powdered and combined with water, react with calcium hydroxide to create compounds with valuable cementitious properties. This innovative approach not only increases the longevity of concrete but also aligns with sustainable construction efforts by utilizing materials of magmatic origin.

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