This standard includes specifications for asphalt cements intended mainly for the construction of pavements. B2.— The different types of asphalt cements are classified according to their penetration in the following way: 40 — 50 85 — 100 50 — 60 100 — 120 60 — 70 120 — 150 70 — 85 150 — 200 200 — 300
UNIT 106-1955 history
1955UNIT 106-1955 Asphalt cement in petroleum derivatives