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Nadeutektyczny stop Zn-Al-Cu modyfikowany lantanem charakteryzuje się tym, że zawiera 8 - 11% wagowych Al, 0,5 - 3% Cu, 0,1 - 1% wagowych La, a resztę stanowi Zn, posiada stabilną mikrostrukturę o podwyższonych własnościach mechanicznych i eksploatacyjnych oraz zwiększonej odporności na korozję.The hypereutectic Zn-Al-Cu alloy modified with lanthanum is characterized in that it contains 8-11% by weight of Al, 0.5-3% by weight of Cu, 0.1-1% by weight of La, and the rest is Zn, has a stable microstructure with increased properties mechanical and operational as well as increased corrosion resistance.
Use of an emulsion comprising 0.08% by weight or less of antimicrobial essential oil, acacia gum and water to provide an antimicrobial effect in an aqueous composition; process to improve the antimicrobial effect of an antimicrobial essential oil; and aqueous composition comprising an antimicrobial emulsion.