Asphalt, or bitumen, is a petroleum product used in the road (pavement), roofing and construction industries. A mixture of aromatic hydrocarbons (varying with geographical source), this black viscoelastic material is considered to be a complex colloidal system including inorganic elements such as S, Ni and V.  

Asphalt is used as a binder with aggregates in road (pavement) construction and as such determines performance and lifetime. Additives such as polymers, crumb rubber, oils, REOB (Re-refined Engine Oil Bottoms) and pH adjusters are used to enhance mechanical properties in modified asphalt binders. Asphalt emulsions are also used as water-proofing and re-surfacing materials.

With our asphalt industry and application knowledge, Malvern Panalytical systems enable:

  • Grade testing to industry standards such as AASHTO , ASTM and EN specifications
  • Formulation development, additive optimization and quality control metrics
  • Accurate measurement of absolute molecular weight, molecular size, Molecular Weight Distribution (MWD), intrinsic viscosity, branching, and other intrinsic properties
  • Determination of Mixing and Compaction Temperatures
  • Improvement and insight to enhancing pavement preservation practices
  • Blend testing of Warm Mix, Crumb Rubber/Ground Tire Rubber (GTR) and Recycled Asphalt Paving (RAP)
  • Emulsion stability and particle sizing of Asphalt Emulsions
  • Elemental analysis and screening for the presence of re-refined engine oil bottom (REOB) in asphalt binder
  • Benchmarking and comparison of competitive products
  • Penetration, pull off and tack testing

Blending recycled materials (e.g. REOB, RAP, and GTR) in asphalt could give enhanced properties and reduce cost while being environmentally conscious.  Used automobile oil can be re-refined to recycle its hydrocarbons. The asphalt-like residue from recycling engine oil, known as Re-refined Engine Oil Bottom (REOB) contains a concentration of the inorganic elements used in manufacturing engine oil lubricants, including Ca, P, and Zn and sometimes Mo and Ba. Other elements derived from burning fuel and engine wear may also be found in REOB such as Fe, Cl, S, Si and Cu as well as others. REOB is primarily used to soften the asphalt binder, but may also cause premature failure and is banned in some areas. Consequently, it is necessary to be able to detect the presence of REOB, and X-Ray Fluorescence (XRF) is commonly used for this purpose.

Mastersizer range

Mastersizer range

World's most popular particle size analyzers

More details
Measurement Particle size
Particle size range 0.01µm - 3500µm
Technology Light Scattering, Laser Diffraction
Dispersion type Wet, Dry, Wet and Dry

OMNISEC

OMNISEC

The world’s most advanced multi-detector GPC/SEC system

More details
Measurement Molecular structure, Molecular size, Molecular weight
Molecular weight range 200Da - 10MDa
Minimum sample mass (polystyrene) 100ng
Minimum sample mass (BSA) 100ng
Technology Gel Permeation Chromatography, Size Exclusion Chromatography (SEC), Light Scattering, Static Light Scattering

Epsilon 1

Epsilon 1

Small, powerful and portable XRF analyzer

More details
Measurement Elemental analysis, Contaminant detection and analysis, Elemental quantification
Elemental range Na-Am
Resolution (Mn-Ka) 135eV
LLD 1 ppm - 100%
Sample throughput Up to - 80per 8h day
Technology X-ray Fluorescence (XRF), Energy Dispersive X-ray Fluorescence (EDXRF)

Mastersizer range

Mastersizer range

World's most popular particle size analyzers

OMNISEC

OMNISEC

The world’s most advanced multi-detector GPC/SEC system

Epsilon 1

Epsilon 1

Small, powerful and portable XRF analyzer

More details More details More details
Measurement Particle size Molecular structure, Molecular size, Molecular weight Elemental analysis, Contaminant detection and analysis, Elemental quantification
Particle size range 0.01µm - 3500µm    
Molecular weight range   200Da - 10MDa  
Minimum sample mass (polystyrene)   100ng  
Minimum sample mass (BSA)   100ng  
Elemental range     Na-Am
Resolution (Mn-Ka)     135eV
LLD     1 ppm - 100%
Sample throughput     Up to - 80per 8h day
Technology Light Scattering, Laser Diffraction Gel Permeation Chromatography, Size Exclusion Chromatography (SEC), Light Scattering, Static Light Scattering X-ray Fluorescence (XRF), Energy Dispersive X-ray Fluorescence (EDXRF)
Dispersion type Wet, Dry, Wet and Dry    

Mastersizer range

OMNISEC

Epsilon 1

Mastersizer range OMNISEC Epsilon 1

World's most popular particle size analyzers

The world’s most advanced multi-detector GPC/SEC system

Small, powerful and portable XRF analyzer

More details More details More details
Technology
Laser Diffraction
Gel Permeation Chromatography
Size Exclusion Chromatography (SEC)
Static Light Scattering
Energy Dispersive X-ray Fluorescence (EDXRF)