FIRE-RETARDING COMPOSITION FOR METAL STRUCTURES Russian patent published in 2011 - IPC C09K21/10 C09K21/02 C09D5/18 C09D161/24 C09D1/00 

FIELD: chemistry.

SUBSTANCE: invention relates to a fire-retarding composition with intumescent action for metal structures. The composition contains a film-forming agent, hardener OSA-1, an ionic surfactant and thickener. The film-forming agent used is an aluminophosphate or aluminochromophosphate film-forming agent. The thickener used is crushed basalt fibre, glass microspheres or mixture thereof. The fire-retarding composition has improved process characteristics, particularly intumescence capacity at high temperatures.

EFFECT: use of the composition increases fire-retarding efficiency.

1 tbl