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    RAUM-PROFIE | Industrial coatings
    ABOUT COMPANY
    • About company
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    CATALOGUE
    INDUSTRIES
    • Capacitive equipment
    • Engineering
    • Oil and gas sector
    • The objects of railway transport
    • Transport construction
    • Chemical industry
    • Energy
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      RAUM-PROFIE | Industrial coatings
      8 (4932) 773-503 8-800-2001-321
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        • Reception: 8 (800) 2001-321
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      • Primer-enamel on metal Polytex ST

      Primer-enamel on metal Polytex ST

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      Polytex STB primer enamel due to the corrosion inhibitor actively prevents the appearance of rust, so it has long-term protective and high decorative characteristics. 

      Main fields of application: 
      • oil and gas sector;
      • energy;
      • chemical industry;
      • engineering.

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      • Primer-enamel on metal Polytex ST
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      • Description
      • Characteristics
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      Description
      TU 20.30.22-008-69372620-2021

      Description

      Two component polyurethane primer-enamel, hardened by aliphatic polyisocyanate    

      Scope and specifics of application 

      Polytex STB primer enamel due to the corrosion inhibitor actively prevents the appearance of rust, so it has long-term protective and high decorative characteristics. It is available with a different degree of gloss: from deep matt to glossy, has a wide choice of color solutions. It does not require pre-priming.

      Suitable for repair work.

      It is used to paint and provide long-term anti-corrosion protection of concrete, reinforced concrete and metal structures operated in the conditions of industrial atmosphere of moderate, cold and marine climates, including railway bridges, road bridges, road fences, construction cranes, power line supports, pipeline supports, antenna-mast structures, ground parts of piles, supports of pipeline overpasses, external surfaces of pipelines, external surfaces of diverse tanks and tanks for storing chemical reagents and petroleum products, underwater parts of hydraulic structures and other metal structures and equipment exposed to atmospheric corrosion.

      Polytex ST enamel primer has good adhesion, bending strength, increased resistance to moisture, as well as increased hardness, strength and abrasion resistance, oil and gasoline resistance, and resistance to mineral fertilizers. It is used in conditions of diverse aggressive impacts – chemical, atmospheric, mechanical.

      Information on the material resistance to various media is available on request.

      Main applications: oil and gas industry, power engineering, mechanical engineering, chemical industry.

      The material is approved by Railway Research Institute of JSC Russian Railways and can be used for painting freight cars. According to the results of accelerated climatic tests, the coating has a service life of 12-20 years, depending on the thickness of the dry film (120-170 microns).

      Instruction for use 

      Metal surface should be abrasive blasted to grade 1 or 2 to GOST 9.402 (Sa 2^(1/2) or Sa 2 по ISO 8501-1:2007). Clean surface must be free from dust and grease.

      If the quality of surface preparation decreases, the service life and its operating performance may change.

      Conditions 

      Ambient temperature from  +5°С  to +30°C.
      Relative air humidity  no more 80%.

      The process of applying


      Blending

      Polyurethane primer-enamel consists of two components: component А - basis, component B - hardener. Before use, pre-mix component A with a low-speed drill with mixing nozzle, then mix with component B in stoichiometric ratio in the delivery form. Mix the resulting material thoroughly until smooth. After the hardener is added into the semi-finished product, the material should be allowed to stand for at least 5-10 minutes.

      Proportions Hardener Polytex ST
      100:15 by weight
      6,0:1 by volume

      Hardener Polytex ST2
      100:12 by weight
      8,0:1 by volume

      Pot life at 200С, no less

      5 hours
      Air-free spraying
      Thinning:5-30%
      Nozzle diameter: 0,011-0,017"
      Initial pressure: 120-160 atm
      Air spraying Operation viscosity:25-60 s
      Thinning:5-35%
      Nozzle diameter:1,8-2,5 mm
      Initial pressure: 3,0-4,0 atm
      Cross linking at 200С 
      30 min
      Roller Brush    Can be recommended for small and hard-to-reach areas. Thin the primer-enamel depending on the working conditions when using brush. 
      Thinner
      Formula thinner Polytex, Polytex SLOW, Polytex F.
      Cleaner
      Formula thinner  Polytex, thinners of type Р4, Р5.
      Finishing

      Tubing, pistol and other spraying tools must be cleaned after using.

      Cleaning

      Clean straight after using due to painting equipment manual. 

      Characteristics
      Paint colour Colour list of RAL
      Density (comp. A), g / cm³ 1,2±0,05
      Density (comp. A+B), g / cm³ 1,10±0,05
      Shine, % G3570: 35-70%; G7095: 70-95%.
      Dry residue by volume (comp. A), % 55±5
      Hardener Polytex ST, Polytex ST2
      Adhesion to metals (GOST 15140), not more than 1 point
      Maximum thickness of single layer coating without dilution 162 µm dry layer, 300 µm wet layer
      Maximum thickness of single-layer coating at viscosity 25 sec (modification G3570) 80 microns dry layer, 200 microns wet layer
      The maximum thickness of a single-layer coating at a viscosity of 40 seconds (modification G7095) 85 microns dry layer, 200 microns wet layer
      Drying time to a degree of 3 at 20°C, no more (with a wet film thickness of 100 microns) 5 hours
      MDNW (component A) 58-68%( depending on colour and gloss grade)
      Minimum recommended dry film thickness, µm 40
      Maximum recommended dry film thickness, µm 260
      The minimum theoretical flow rate, g/m² 81
      МMaximum theoretical flow rate, g / m² 530
      Documentation
      Information_Primer-enamel Polytex_ST (01.03.2022)
      316.4 Кб
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