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CUTBACK BITUMEN PRIME COAT MC-70 DESCRIPTION MC-70 is a liquid petroleum product produced by fluxing penetration grade bitumen with suitable petroleum diluents. It is a medium curing cutback asphalt consisting of penetration grade asphalt cement and diluent or cutter of medium volatility.
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MEDIUM CURING CUTBACK ASPHALTS SPECIFICATION TABLE PROPERTIES MC-30 MC-70 MC-250 MC-800 MC-3000 Tests on Liquid Asphalt min-max min-max min-max min-max min-max Flash Point (TOC), °C 38 min 38 min 65 min 65 min 65 min Kinematic Viscosity, 60°C, mm2/s 30 - 60 70 - 140 250 - 500 800 - 1600 3000 – 6000 Distillation Test Distillate,
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- Rapid-Curing Cutback
- Medium-Curing Cutback
United Asphalt Company offers a variety of Asphalt Cutbacks. Asphalt Cutbacks are manufactured by blending liquefied asphalt and petroleum solvents. There are two major types of Cutback Asphalt based on the relative rate of evaporation of the solvent: Rapid-Curing (RC) & Medium-Curing (MC)
A Rapid-Curing (RC) Cutback Asphalt is designed to react quickly primarily for spray applications, such as bond/tack coats, aggregate chips seals, sand seals and similar surface treatments.
A Medium-Curing (MC) Cutback Asphalt is designed for mixing with aggregates. Because these grades do not break immediately upon contact with aggregate, mixes using them can remain workable for extended periods of time and lend themselves to cold mix stockpiles. Download this information as a PDF
Medium-curing (MC) cutback asphalt cement is a combination of medium diluents of intermediate volatility, typically in the kerosene boiling point range, and asphalt cement. Medium-curing cutback grades include MC-30, MC-70, MC-250, MC-800, and MC-3000.
CUTBACK BITUMEN MC-30/MC-70. Product data sheet. DESCRIPTION : CUTBACK BITUMEN (Liquid Bitumen) is a mixture of petroleum solvent & bitumen. Typical solvents include naphtha (gasoline) and kerosene. The type of solvent controls the curing time and its ultimate strength.
Cutback Bitumen is made by reducing the viscosity of penetration grade bitumen by adding petroleum type solvent like kerosene etc. Cutback Bitumen is used because its viscosity is lower than that of neat asphalt.
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Specification of Cutback Bitumen MC-70 MediumType: -Curing Standard: ASTM D2027 M-13 Property Min Max Test Method Kinematic viscosity at 60°C mm2/s 217070 140 ASTM D Flash point (tag open cup),°C 38 — ASTM D3143 Distillation test Distillate, volume percent of total Distillate to 680°F(360°C) To 437°F (225°C) — 25 ASTM D402