Section 4138.� Cutback and Liquid Asphalts

4138.01���� general requirements.

A.��� Use the grade specified. Meet the following requirements:

� Rapid Curing (RC)������ AASHTO M 81

� Medium Curing (MC)� AASHTO M 82

� Slow Curing (SC)������� AASHTO M 140

B.��� The spot test indicated in AASHTO M 81, M 82, and M 140 will not be required.

C.��� When using antistrip additive with cutback asphalt, (as required in Article 2307.02, B, 2 or when specified otherwise) use an additive approved according to Materials I.M. 491.16. Add at the approved dosage rate. Ensure the treated cutback asphalt produces a positive result when tested according to Office of Materials Test Method No. Iowa No. 629.

D.��� In Table 1 of AASHTO M 81, the distillation test requirements are as follows:

Distillate, by volume to 374�F (190�C), to be a minimum of 4% of the total distillate to 680�F (360�C).