EN615:2009 Standard ABC40 dry chemical powder is mainly made with monoammonium phosphate and ammonium sulphate, taking the most advanced fully automatic production equipment and scientific process formula, produced with a fully silicided moisture-proof procedure. Yanghao ABC dry chemical powder has the characteristic of good water repellency and anti-caking performance.ABC dry powder is twice more effective when compared to foam agent for same class A fires. and it doesn't frost as compared to the water-based extinguishing agent. What's more, the dry chemical powder is good for liquid fires and hot surfaces as it forms a layer/ barrier and prevents reignition.