O que é a "água molhada" usada por bombeiros

A "água molhada" é uma versão mais eficiente da água usada por bombeiros para combater incêndios.

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A ideia surgiu no século 20, após avanços no combate ao fogo. Nos anos 1960, a “água molhada” passou a ser utilizada.

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A água comum tem alta tensão superficial, o que dificulta sua penetração em materiais como madeira, tecido e solo.

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Em incêndios profundos, ela pode ficar só na superfície, enquanto o fogo continua ativo por dentro dos materiais.

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A “água molhada” resolve isso. Ela é água comum misturada com agentes molhantes, que melhoram sua eficácia.

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Esses aditivos reduzem a tensão superficial, permitindo que a água se espalhe mais e penetre melhor nos materiais.

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Com isso, o fogo é apagado mais rapidamente e com menor consumo de água, reduzindo também os danos.

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Estudos indicam que a penetração pode ser até dezenas de vezes mais rápida do que com água comum.

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