Meaning of Cutback Bitumen RC30
Cutback bitumen RC30 is a type of asphalt cement mixed with a solvent or distillate to make it liquid at ambient temperatures, enhancing its coating properties on aggregates.
Properties of RC-30
RC-30 exhibits specific properties crucial for construction projects.
Distillate Content and Types
It can contain between 12 and 40 percent distillate, with various types of solvents such as kerosene, white spirit, gasoline, and naphtha used in its composition.
Environmental Impact
The high demand for distillates in energy applications and air quality regulations have led to a decline in the use of cutback asphalt, including RC-30, in construction.
Rapid Curing (RC) Asphalt
When gasoline or naphtha is used to flux asphalt cement, it results in rapid curing (RC) cutback asphalt like RC-30, which permits up to 45 percent distillate in manufacturing.
Uses of Cutback Bitumen RC-30
It has various applications in construction projects.
Penetrating Prime Coats
It is used for penetrating prime coats on surfaces, enhancing adhesion and durability.
Production of Patching Mixtures
It is utilized in producing patching or stockpile mixtures for repairing asphalt surfaces.
Packing and Safety Measures
Details regarding the packaging of RC-30 and essential safety precautions are outlined.
Packaging Details
RC-30 is packaged in bulk tankers, new steel drums on pallets, to prevent leaks and ensure safe transportation.
Safety Precautions
Safety data sheets should be consulted before use, and precautions such as eliminating ignition sources, wearing appropriate PPE, and avoiding skin contact or breathing vapors must be followed.
Specifications
RC-30 complies with ASTM standards and is widely used in construction and pavement treatment applications.
| property | specification limit | Test method | |
| Min | Max | ||
| Kinematic viscosity at 60°c ,cST | 30 | 60 | ASTM D2170 |
| Flashpoint(tag open cup), °c | — | — | ASTM D3143 |
| Distillation test Distillate, volume percent of total Distillate to 680°f(360°c) |
|||
| to 437°f(225°c) To 500°f(260°c) to 600°f(316°c) Residue from distillation to 680°f(360°c), percent volume by difference |
55 | — | ASTM D402 |
| 75 | — | ||
| 90 | — | ||
| 50 | — | ||
| Test on Residue from distillation test | |||
| Penetration 77°f(25°c) 100g,5s mm | 80 | 120 | ASTM D5 |
| Ductility 77°f(25°c) 5cm/min cm | 100 | — | ASTM D113 |
| Solubility in trichloroethylene % | 99 | — | ASTM D2042 |
| Water, percent volume | — | 0.2 | ASTM D95 |
MAECENAS IACULIS
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ADIPISCING CONVALLIS BULUM
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