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@ronaldcatoeditor·
Bitumen Penetration Grade 60/70 for Asphalt
Bitumen 60/70 is used for developing black-top asphalts for road construction and maintenance, indicated by its infiltration and mellowing point test.
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Bitumen 60/70 is used for developing black-top asphalts for road construction and maintenance, indicated by its infiltration and mellowing point test.