FIELD: production of protective coat on carbon-carbon composite materials.
SUBSTANCE: claimed method includes surface pretreatment with boric acid aqueous suspension in volume ratio of 1:1 drying and composition coating. Wherein said composition contains borosilicate glass powder and binder comprising of 40-45 vol.% ethyl silicate, 40-45 vol.% ethyl alcohol and 10-20 vol.% silicone varnish. Composition is coated in form of 3-6 layers and further dried at 100-200°C.
EFFECT: improves coating composition for carbon-carbon materials.
1 ex
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