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Metacaulim – Pozolana de alta reatividade
O metaculim é constituído principalmente
por compostos à base de sílica (SiO2) e
alumina (Al2O3) na fase amorfa (vítrea),
proporcionando alta reatividade com o
hidróxido de cálcio presente no concreto.
O produto é recomendado como aditivo
mineral para uso em concretos de cimento
Portland devido às suas características físicas
e químicas que melhoram as propriedades
mecânicas dos concretos. Sendo um silicato de alumínio, o metacaulim é ainda
recomendado em diversas aplicações na indústria de refratários, cerâmica, siderurgica,
química e outras.
O metacaulim é um produto derivado da calcinação criteriosa de argilas cauliníticas
originarias de minas da Paraíba. O metacaulim tem como objetivo aumentar
o desempenho em concretos de cimento Portland.
PROPRIEDADES GERAIS
METACAULIM
Laudo técnico
FL. 1/2
FICHA TÉCNICA
METACAULIM
MAIA MACEDO
Com. e Ind.
(83) 3252.1116
www.maiamacedo.com.br
R. Domingos Mororó, 107 - João Pessoa/PB
Cor Nome químico Estabilidade Reatividade
Laranja Silicato de Alumínio Estável Inerte
contato@maiamacedo.com.br
Adicionar 5% a 15% do metacaulim junto ao cimento, para um concreto de alto desempenho.
Esta ficha apresenta os dados e conclusões que foram produzidos por meio de ensaios realizados
nas dependências da Universidade Federal da Paraiba (UFPB) e da própria Maia Macedo.
O objetivo foi a avaliação qualitativa e quantitativa da contribuição da adição de Metacaulim
tipo Construção Civil às propriedades dos concretos.
ANÁLISE QUÍMICA
INTRUÇÕES DE USO
FL. 2/2
FICHA TÉCNICA
METACAULIM
MAIA MACEDO
Com. e Ind.
(83) 3252.1116
www.maiamacedo.com.br
R. Domingos Mororó, 107 - João Pessoa/PB
Composto Percentual NBR 15.894
SiO2
Al2O3
CaO + MgO
SO3
Eq.Alcalino Na2O
Fe2O3
TiO2
Na2O
54,87%
39,38%
0,59%
0,15%
-
3,04%
0,64%
0,15%
44% a 65%
32% a 46%
< 1,5%
< 1%
< 1,5%
-
-
< 0,5%
Eng. Gabriel Ferraz
Eng. Nilson Luiz de Maia Macedo
contato@maiamacedo.com.br

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Ficha_tecnica_Metacaulim_Construcao_MM

  • 1. Metacaulim – Pozolana de alta reatividade O metaculim é constituído principalmente por compostos à base de sílica (SiO2) e alumina (Al2O3) na fase amorfa (vítrea), proporcionando alta reatividade com o hidróxido de cálcio presente no concreto. O produto é recomendado como aditivo mineral para uso em concretos de cimento Portland devido às suas características físicas e químicas que melhoram as propriedades mecânicas dos concretos. Sendo um silicato de alumínio, o metacaulim é ainda recomendado em diversas aplicações na indústria de refratários, cerâmica, siderurgica, química e outras. O metacaulim é um produto derivado da calcinação criteriosa de argilas cauliníticas originarias de minas da Paraíba. O metacaulim tem como objetivo aumentar o desempenho em concretos de cimento Portland. PROPRIEDADES GERAIS METACAULIM Laudo técnico FL. 1/2 FICHA TÉCNICA METACAULIM MAIA MACEDO Com. e Ind. (83) 3252.1116 www.maiamacedo.com.br R. Domingos Mororó, 107 - João Pessoa/PB Cor Nome químico Estabilidade Reatividade Laranja Silicato de Alumínio Estável Inerte contato@maiamacedo.com.br
  • 2. Adicionar 5% a 15% do metacaulim junto ao cimento, para um concreto de alto desempenho. Esta ficha apresenta os dados e conclusões que foram produzidos por meio de ensaios realizados nas dependências da Universidade Federal da Paraiba (UFPB) e da própria Maia Macedo. O objetivo foi a avaliação qualitativa e quantitativa da contribuição da adição de Metacaulim tipo Construção Civil às propriedades dos concretos. ANÁLISE QUÍMICA INTRUÇÕES DE USO FL. 2/2 FICHA TÉCNICA METACAULIM MAIA MACEDO Com. e Ind. (83) 3252.1116 www.maiamacedo.com.br R. Domingos Mororó, 107 - João Pessoa/PB Composto Percentual NBR 15.894 SiO2 Al2O3 CaO + MgO SO3 Eq.Alcalino Na2O Fe2O3 TiO2 Na2O 54,87% 39,38% 0,59% 0,15% - 3,04% 0,64% 0,15% 44% a 65% 32% a 46% < 1,5% < 1% < 1,5% - - < 0,5% Eng. Gabriel Ferraz Eng. Nilson Luiz de Maia Macedo contato@maiamacedo.com.br