There is no difference between liquid concrete hardener and concrete penetrating hardener, but the name is different. Americans call it liquid concrete hardener, while the Japanese call it concrete penetrating hardener. It is commonly known as concrete sealing curing agent in China. On the Chinese market, the concrete liquid hardeners that have done well include Gudibao produced by Wuhan Feivas, Nalut concrete liquid hardener, Ansfor Miller concrete liquid hardener and Shirsuosi concrete liquid hardener.