Introduction
Cutback bitumen SC250 is a type of asphalt cement that incorporates a solvent or distillate, such as gasoline or kerosene, to achieve liquidity at ambient temperatures. Discuss it characteristics, uses, manufacturing process, and safety considerations of SC-250 cutback bitumen.
Properties of Cutback Bitumen SC250
Cutback asphalt with an SC-250 designation typically contains between 12 and 40 percent distillate. This distillate content influences its viscosity and application characteristics, making it suitable for various construction purposes, especially in road surfacing and waterproofing.
Manufacturing Process of SC-250 Bitumen
The production of SC-250 cutback bitumen involves fluxing asphalt cement with a less volatile distillate, such as gas oil. This process creates materials akin to heavy fuel oils use in industrial applications. SC-250 grade cutback bitumen is often utilize in road construction due to its easy application and adhesion properties.
Uses of Asphalt SC-250
SC-250 cutback bitumen finds common use in penetrating prime coats, where it assists in surface preparation and adhesion. Additionally, it is incorporating into patching and stockpile mixtures, enhancing the coating of aggregate surfaces and ensuring durability. Its waterproofing capabilities make it ideal for sealing surfaces and bonding loose mineral particles.
Table of Contents
Packing and Safety Measures
Cutback bitumen SC-250 is typically pack in new, thick steel drums on pallets to prevent leaks during transportation and storage. Safety precautions include referring to Safety Data Sheets (SDS) before use, avoiding ignition sources, wearing appropriate personal protective equipment (PPE), and preventing product contact with skin or entry into water systems.
Specification of Cutback Bitumen SC250
| property | specification limit | Test method | |
| Min | Max | ||
| Kinematic viscosity at 60°C [140°F], mm2/s | 250 | 500 | ASTM D2170 |
| Flashpoint(Cleveland open cup), °C [°F] | 60 | — | ASTM D92 |
| distillate test | |||
| Total distillate to 360°C [680°F], volume % | — | 25 | ASTM D402 |
| Solubility, % | 95 | — | ASTM D2024 |
| Kinematic viscosity on distillation residue at 60°C [140°F], mm2/s | 400 | 10000 | ASTM D2170 |
| Asphalt residue: | |||
| Residue of 100 penetration, % | 50 | — | ASTM D243 |
| Ductility of 100 penetration residue at 25°C [77°F], cm | 50 | — | ASTM D113 |
| Water, % | — | 0.5 | ASTM D95 |
MAECENAS IACULIS
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