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Application filed by Inst Techniki BudowlanejfiledCriticalInst Techniki Budowlanej
Priority to PL24868484ApriorityCriticalpatent/PL142975B1/en
Publication of PL248684A1publicationCriticalpatent/PL248684A1/en
Publication of PL142975B1publicationCriticalpatent/PL142975B1/en
Curing Cements, Concrete, And Artificial Stone
(AREA)
Claims (1)
1. Zastrzezenie patentowe srodek przyspieszajacy twardnienie betonów i zapraw cementowych, znamienny tym, ze sklada sie z azotynu sodowego w ilosci 50 do 70 czesci wagowyoh, siarczanu sodo¬ wego bezwodnego lub siarczanu potasowego w ilosci 20 do kO ozesci wagowych, mrówczanu sodo¬ wego lub mrówczanu wapniowego w ilosci 5 do 20 czesci wagowych, lignosulf onianu wapniowego w ilosci do 5 czesci wagowych* Pracownia Poligraficzna UP PRL. Naklad 100 egz Cena 220 zl PL1. A patent claim An agent accelerating the hardening of concrete and cement mortars, characterized by the fact that it consists of sodium nitrite in the amount of 50 to 70 parts by weight, sodium sulphate anhydrous or potassium sulphate in an amount of 20 to kOwbw, sodium formate or calcium formate in the amount of 5 to 20 parts by weight, calcium lignosulfonate in the amount of up to 5 parts by weight * Pracownia Poligraficzna UP PRL. Mintage 100 copies Price PLN 220 PL
PL24868484A1984-07-121984-07-12Concrete hardener for concrete mixes and cement mortars
PL142975B1
(en)