Description
Cutback Bitumen RC-800 is Rapid curing (RC) cut-back asphalt consisting of penetration grade asphalt cement and diluent or cutter of rapid volatility.
Cutback Bitumen RC-800 complies with cutback petroleum asphalts of the rapid-curing type for use in the construction and treatment of pavements.
Cutback Bitumen RC-800 is a rapid curing cutback bitumen that contains 75% bitumen, is black in color, and is manufactured strictly as per ASTM D 2028M standard. The diluent temporarily reduces the viscosity of the asphalt cement for ease of handling and application. After application, the diluent evaporates, leaving asphalt cement to perform its function. RC–800 bitumen viscosity is between 800-1600 CST.
Cutback RC-800 is dissolved of bitumen in solvents of gasoline. In many countries, kerosene and other volatile petroleum-derived products are added as a cutter or cutback agent to bitumen to reduce (or cutback) the viscosity of the bitumen. The mixture obtained may be called cutback bitumen.
The reduction in viscosity of the bitumen aids the construction of seal coats in road pavements as the softened mixture wets the chips more easily. The cutback agent evaporates from the seal coat, the cutback agent becoming a negligible component of the seal coat a few months after application. If significant amounts of the cutback agent remain in the seal coat an unwanted long term softening effect may result.
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Application of Bitumen RC-800
Cutback Bitumen RC-800 has its primary use as a road pavement aggregate primer. Cutback agents reduce the viscosity of the bitumen, making it simpler to apply on various substrates like road base courses. Kerosene and other volatile products act as diluents in most instances, depending on local requirements and conditions.
This bitumen is used in road construction and treatment, according to ASTM D2028-97 (reapproved 2004). This is usually applied in spraying and mixing operations, and it provides an efficient solution for performing pavement sealing and maintenance activities.
Packing of Cutback RC-800
Packing of cutback bitumen RC-800 is in new thick steel drum on the pallet to prevent any leak inside of the container, IBC Tank, and also bulk in bitutainer.
his cutback bitumen bulk in the tanker and also in new steel and thick drum on the pallet to prevent all leak inside of the container.
Specification of Cutback Bitumen RC-800
| property | Min | Max | Test method |
|---|---|---|---|
| Kinematic viscosity at 60°c ,cST | 250 | 500 | ASTM D2170 |
| Flashpoint(tag open cup), °c | — | 27 | ASTM D3143 |
| Distillation test Distillate, volume percent of total Distillate to 680°f (360°c) | |||
| to 437°f(225°c) | 35 | — | ASTM D402 |
| to 500°f(260°c) | 60 | — | ASTM D402 |
| to 600°f(316°c) | 80 | — | ASTM D402 |
| Residue from distillation to 680°f(360°c), percent volume by difference | 65 | — | ASTM D402 |
| 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 | D95 |
