Viscosity Grade Bitumen
Viscosity grade bitumen is classified by its viscosity at 60°C — the maximum pavement temperature — which predicts rutting performance more reliably than penetration alone.
Indian standard (VG)
VG 10
VG 10 is a viscosity grade paving bitumen to the Indian standard IS 73, with an absolute viscosity of 800–1200 poise at 60°C.
View specifications →IS 73:2013VG 20
VG 20 is a viscosity grade paving bitumen to the Indian standard IS 73, with an absolute viscosity of 1600–2400 poise at 60°C.
View specifications →IS 73:2013VG 30
VG 30 is a viscosity grade paving bitumen to the Indian standard IS 73, with an absolute viscosity of 2400–3600 poise at 60°C.
View specifications →IS 73:2013VG 40
VG 40 is a viscosity grade paving bitumen to the Indian standard IS 73, with an absolute viscosity of 3200–4800 poise at 60°C.
View specifications →AC standard
AC 2.5
AC 2.5 is an asphalt cement graded by its viscosity at 60°C (200–300 poise) on the original binder, per AASHTO M226 / ASTM D3381.
View specifications →AASHTO M226 · ASTM D3381AC 5
AC 5 is an asphalt cement graded by its viscosity at 60°C (400–600 poise) on the original binder, per AASHTO M226 / ASTM D3381.
View specifications →AASHTO M226 · ASTM D3381AC 10
AC 10 is an asphalt cement graded by its viscosity at 60°C (800–1200 poise) on the original binder, per AASHTO M226 / ASTM D3381.
View specifications →AASHTO M226 · ASTM D3381AC 20
AC 20 is an asphalt cement graded by its viscosity at 60°C (1600–2400 poise) on the original binder, per AASHTO M226 / ASTM D3381.
View specifications →AASHTO M226 · ASTM D3381AC 30
AC 30 is an asphalt cement graded by its viscosity at 60°C (2400–3600 poise) on the original binder, per AASHTO M226 / ASTM D3381.
View specifications →AASHTO M226 · ASTM D3381AC 40
AC 40 is an asphalt cement graded by its viscosity at 60°C (3200–4800 poise) on the original binder, per AASHTO M226 / ASTM D3381.
View specifications →AR standard
AR 1000
AR 1000 is an aged-residue grade: it is classified by viscosity at 60°C after rolling thin-film oven ageing (750–1,250 poise), which reflects how the binder behaves once it is in the pavement.
View specifications →AASHTO M226 (Table 3)AR 2000
AR 2000 is an aged-residue grade: it is classified by viscosity at 60°C after rolling thin-film oven ageing (1,500–2,500 poise), which reflects how the binder behaves once it is in the pavement.
View specifications →AASHTO M226 (Table 3)AR 4000
AR 4000 is an aged-residue grade: it is classified by viscosity at 60°C after rolling thin-film oven ageing (3,000–5,000 poise), which reflects how the binder behaves once it is in the pavement.
View specifications →AASHTO M226 (Table 3)AR 8000
AR 8000 is an aged-residue grade: it is classified by viscosity at 60°C after rolling thin-film oven ageing (6,000–10,000 poise), which reflects how the binder behaves once it is in the pavement.
View specifications →AASHTO M226 (Table 3)AR 16000
AR 16000 is an aged-residue grade: it is classified by viscosity at 60°C after rolling thin-film oven ageing (12,000–20,000 poise), which reflects how the binder behaves once it is in the pavement.
View specifications →Need viscosity grade?
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