Penetration Grade Bitumen
What is the analysis test of penetration grade bitumen?
For grading the bitumen, it is examined in the laboratory for a couple of factors, including penetration grade, flash point, softening point, ductility and specific gravity. The chart below is an analysis test result of a penetration grade bitumen.
What does penetration grade mean?
Penetration grade indicates the hardness and amount of bitumen permeation in the surface.
For instance, bitumen 80/100” means it penetrates about 80 mm to 100 mm.
Therefore , lower grade represents harder bitumen;
for example, penetration grade bitumen 40/50 is harder than 80/100.
What is the flashpoint of bitumen?
The flashpoint specifies the temperature at which the bitumen gives off vapor and forms an ignitable mixture in the air near the bitumen surface.
The flashpoint of penetration varies from 225 °C to 250 °C.
When it comes to maintenance and applying the bitumen, the flashpoint plays an important role in safety.
What is softening point of?
When The softening point is the temperature the bitumen begins to soften at.
however , Softening point and viscosity act reversely, the viscosity decreases, the softening point increases.
but , Different penetration grades have different softening points.
What is bitumen ductility?
however , Ductility reveals the amount of elasticity of the bitumen.
but , It is measured by special tools in the bitumen laboratory, by stretching the bitumen sample at a certain temperature and speed.
consequently The minimum elasticity for pen grade bitumen is 100 cm.
as a result , Ductility illustrates how much bitumen can undergo pressure and extension without deformation.
What is bitumen specific gravity?
as a result , Specific gravity determines the density of the bitumen.
to clarify , The specific gravity of pure bitumen ranges from 0.97 to 1.02.
Who are the penetration grade bitumen producers?
After that , Many countries produce penetration graded bitumen.
However,The main and the largest producers are China, America, Russia, India, Southern Korea, Iran, Canada, Germany, Turkey and Singapore.
Due to the widespread production of penetration graded bitumen, it is the basis of the market pricing in the global benchmarks such as ICIS and Argus Media. It is still pen grade 60/70, which determines the price of different types of bitumen in the world.
However, is one of the successful suppliers of grade bitumen.
Above all , With years of experience in exporting petroleum products to numerous countries, we insist on providing high-quality bitumen
as a result , considering our client’s requirements with the best market price.
