6902900010 - Refractory bricks with - an edge length of more than 300 mm and - a TiO@2 content of not more than 1% by weight and - a Al@2O@3 content of not more than 0.4% by weight and - a change in volume of less than 9% at 1700°C Harmonized System Codes, Taric Code, HS Code, HTS Code, Harmonized Commodity Description, Commodity Codes, Classification of goods, Tariff Nomenclature, Customs Tariff Number, Tariff Classification.