FIELD: chemistry.
SUBSTANCE: invention relates to production of ceramic articles for building purposes. The ceramic engobe contains the following in wt %: low-melting red-burning clay 40-65, scrap brick 15-25, sodium tripolyphosphate 0-3, scrap glass 10-20; chalk 8-15, pigments 0-10.
EFFECT: low water absorption, high frost resistance, prevention of efflorescence formation and obtaining coloured paint for front surfaces.
1 tbl, 3 ex
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Authors
Dates
2011-03-10—Published
2009-03-04—Filed