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Bitumen 58 – 22

Bitumen Specification

Performance Grade (P.G) Analysis

(ASTM D6373)

Original
Test MethodSpecificationsUnitResultAcceptable Range
PassFail
Dynamic Shear
Rheometer

(D.S.R)

ASTM D7175
Temperature°c58
Phase angle (δ)°87.1
G*Kpa
1.53
│G*│/sinδKpa
1.53Min 1.0
Rotational Viscometer

(R.V) ASTM D4402
at 135°cPa.s0.26Max 3
Penetration

ASTM D5
at 25°c0.1mm86
Rolling Thin Film Oven (R.T.F.O) ASTM D2872
Dynamic Shear
Rheometer

(D.S.R)

ASTM D7175
Temperature°c58
Phase angle (δ)°86.1
G*Kpa2.8
│G*│/sinδKpa2.8Min 2.2
Pressure Aging Vessel (P.A.V) ASTM D6521
Dynamic Shear
Rheometer

(D.S.R)

ASTM D7175
Temperature°c25
Phase angle (δ)°50.5
G*Kpa3850
│G*│/sinδKpa2940Max 5000
Bending Beam Rheometer

(B.B.R)

ASTM D6648
(Temperature)°c-22
m-Value0.31Min 0.3
StiffnessM.pa137Max 300
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