base coat BASA VD-UR-658A

base coat
BASA VD-UR-658A

Water-diluting, one-component, oil and petrol resistant polyurethane-based base coat for the painting of steel structures and freight rolling stock.
Water-dispersive base coat based on aliphatic polyurethane. It is intended for anti-corrosion protection of metal surfaces (including freight wagons).
It is recommended to be applied in the system consisting of two layers of VD-UR-658A Base Coat.
Color matching as per RAL catalogue. The base coat is fire-explosion-proof, does not contain VOC.


  • Data sheet
  • Paint systems
  • Industry application

Data sheet

Paint systems

Industry application

Technical specifications
Type Water-dispersive anti-corrosion polyurethane base coat for metal and other (including wooden) surfaces.
Color As agreed with the Customer
Glossiness Matt
Solvent Water
Way of application Airless spraying, combined or pneumatic spraying, with a brush, roller.
Drying time 1,0
Recommended thickness dry: 40 - 50 µm
wet: 100 - 130 µm
Instruction for use
Conditions of applying The surface should be dry.
When applying and hardening of the paint, the air temperature shouldn't fall below +5ºС.
Relative humidity of air should be 20-80%.
Temperature of a surface should be at least 3ºС higher than an air dew point.
Surface preparation Remove from the surface with the corresponding method oils, lubricants, salts and mechanical dirt (ISO 12944-4). Steel surface: treatment by abrasive blast cleaning to degree of Sa2½ (ISO 8501-1). If abrasive blast cleaning is excluded, it is recommended to make thorough degreasing up to Degree 1 in accordance with GOST 9.402-2004.
Method of application By spray. Depending on method of application, if necessary, dilute base coat with water up to 5% by weight.
Recommended paint systems Система окраски по металлу ВД-УР-658а
Tools cleaning When finished, the paint equipment and tools should be washed out with water.
Base-line of VOC for the product in the EU It does not contain volatile organic compounds.
Storage 18 months (at a temperature from +5ºC up to +30ºC)

Система окраски БАСА ВД-АК-658а

Наименование материала Толщина, мкм
Грунт-эмаль ВД-АК-658а Два слоя по 45-50
Суммарная толщина 90-100

Recommended for use in the following industries:

  • mechanical engineering
  • создайте в массиве ключ металлические конструкции гражданско-промышленного назначения
  • infrastructure facilities

There are recommendations for use and conclusions:

JSC VNIIZhT (Railway Research Institute)

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JSC "VNIIZHT" is the largest scientific center of the railway industry in the field of scientific-research and design developments. It can carry out the whole range of certification tests.
The Institute was founded in 1918 and in 2008 it was transformed into JSC "VNIIZHT" — a subsidiary of JSC "RZD".
Scientists of JSC "VNIIZHT» actively participate in solving of various important matters of the railway sector. 20 scientific divisions and centers, including 53 laboratories, implement а wide range of research works in all areas of railway transport: infrastructure, rolling stock, wheel-rail interaction system, transport material engineering, complex issues of network development, corporate economy, ecology and labor protection.
The total number of employees (including branches) is more than 1700 people, including 34 doctors of Sciences and 154 candidates of Sciences.