We protect your assets by choosing the best coating systems

The Coating Technology Unit is a part of the Strategic Business Unit: Corrosion, this unit has all the human talent and the technical resources necessary for the analysis and solution generation of associated problems with both internal and external corrosion phenomena witnessed in all kinds of metallic structure.

OUR SERVICES

  • Coating system state diagnosis and risk evaluation by means of external and internal corrosion inside the following environments: aerial, buried, submerged.
  • Consulting for the elaboration of specification requests documents applicable for public tender.
  • Coater contractor evaluation and selection.
  • Project management for maintenance coatings
  • Failure analysis and coating system selection
  • Coating system exposure during accelerated environments: Performance tests
  • Coating system performance evaluation for the following structures: aerial, buried, submerged.
  • Quality control for surface preparation and coat enforcement.

COATING SYSTEMS EXPOSURE IN ACCELERATED ENVIRONMENT CONDITIONS:

  • Cathodic shielding
  • Adhesion of coatings that operates under temperature and submerged
  • Artificial aging: Weather Ometer
  • Water penetration
  • Chamber exposure: Saline chamber, Wet chamber, Saline-acid chamber
  • Water steam permeability
  • Chemical resistance
  • Thermal cycling resistance
  • Cathodic disbonding
  • Atlas cell: High pressure, high temperature exposure

PERFORMANCE EVALUATION AND FAILURE ANALYSIS OF COATING SYSTEMS FOR BURIED AND SUBMERGED STRUCTURES

Composed by the following set of tests:

  • Shearing
  • Tangential traction measurement
  • Elongation at break measurement
  • Elongation
  • Flexibility
  • Gouge Resistance (TISI* Test)
  • Water penetration for pipe coatings
  • Water steam permeability
  • Coating porosity
  • Hardness testing
  • Pore resistance
  • Impact resistance
  • Tear resistance
  • Abrasion resistance
  • Tension resistance
  • Penetration resistance (indentation)
  • Peel resistance for the pipe surface

Characterization tests:

  • Visual inspection
  • Dry film thickness measurement
  • Coating system discontinuities detection
  • Adhesion measurement
  • Pore resistance
  • Pore resistance (Electrochemical Impedance Spectroscopy - EIS)
  • Impact resistance
  • Abrasion resistance
  • Flexibility resistance
  • Hardness determination
  • Dielectric strength

* Tests based on ASTM, NACE and ISO standards

PERFORMANCE EVALUATION AND FAILURE ANALYSIS OF COATING SYSTEMS FOR AERIAL STRUCTURES

Characterization tests:

  • Visual inspection
  • EPS
  • Discontinuity detection of the finish surface
  • Adherence
  • Impact
  • Flexion
  • Barcol hardness
  • Pore resistance (Electrochemical Impedance Spectroscopy - EIS)
  • Water steam transmission

Performance tests:

  • Cyclical UV exposure
  • Thermal cycling resistance
  • Continuous moisture exposure (100%)

* Tests based on ASTM, NACE, ISO, CAN and NFA standards

QUALITY CONTROL FOR SURFACE PREPARATION AND COAT ENFORCEMENT

Surface preparation quality assessment, composed by the following set of tests:

  • Abrasive characterization: grain size, hardness, density, specific gravity, soluble salts and conductivity.
  • Environmental conditions monitoring: temperature, humidity, dew point.
  • Corrosion inhibitors evaluation- Wet Blasting
  • Anchor profile
  • Salt quantification in substrate
  • Grade of preparation evaluation: Brush Off, commercial, near-white metal, white metal, manual-mechanical, chemical cleaning
  • Grade of preparation evaluation by new techniques: Jet Blasting

* Tests based on ASTM and SSPC standards

  • Coat enforcement quality evaluation, composed by the following set of tests:
  • Environmental conditions monitoring: Temperature, Humidity, Dew Point
  • Wet film thickness measurement
  • Visual inspection
  • Dry film thickness measurement
  • Coating system discontinuities detection
  • Adherence measurement: Pull Off

 

Bulletin # 16

divulga16

Bulletin # 17

divulga17

Our Portfolio

our services

iso9001

iso14001

ohsas18001