Method for preventing hardened cementitious material from deteri

Details Method for preventing hardened cementitious material from deteri Method for preventing hardened cementitious material from deteri

1984-11-05

1985-12-17

Page, Thurman K.

Coating processes

Restoring or repairing

427142, 427386, 4273855, 4273936, 427403, 4274071, 427409, B32B 3500, B05D 302

Patent

active

045592411

ABSTRACT:
An aqueous solution of 1-30 weight % alkali metal silicate and 0.005-10 weight % nitrite is stable and well permeable into hardened cementitious material. When applying said aqueous solution on the surface of hardened cementitious structure having metallic armatures embedded therein, it is possible not only to form surface layer improved in compactness, strength, hardness, waterproofing and weathering for preventing deterioration thereof and repair deteriorated cementitious material but also to prevent said metallic armatures from rusting.

REFERENCES:
patent: 4443496 (1984-04-01), Obitsu et al.

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