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      current location :Home >> Product >> Heat Resistant Coating >> W61-05 500℃ Organic Silicon Heat Resistant Coating
      W61-05 500℃ Organic Silicon Heat Resistant Coating

      W61-05 500℃ Organic Silicon Heat Resistant Coating

      Composition: It is composed of organic silicon resin, active antirust pigment, penetrating agent, curing agent, additives, etc.
      Performance: This product not only has high temperature resistant performance, but also has excellent weather resistant, corrosion resistant performance. After high temperature treatment, the paint film can make the organic silicon and silicate minerals connect together, so as to protect the base material. This product has improved the poor corrosion resistance ability of former organic silicone coatings under normal temperature, high temperature and washing alternate cooling and heating state.
      Application: Commonly used on the steel and cement surface under 500℃, to have the decoration, protection and anticorrosion functions. The coating can be used in exhaust pipe, grill, brazier and other metal surface.

      Product specification

      Temperature resistant range Paint film color Coating types Mixing  proportion
      500℃ gray Primer One-component, Dual-component
      500℃ Black, white, grey, aluminum pink, and other colors Finish paint One-component, Dual-component

      Technical parameters

      Item Index
      Color Primer: gray, iron oxide redFinish: Black, white, grey, aluminum pink, and other colors
      Luster Primer: mattFinish: matt or semi-light
      Viscosity 25-60s(25±1℃, painting -4)
      Drying time(23±2℃) Primer: surface dry ≤1h, hard dry ≤24hFinish: surface dry ≤2h, hard dry ≤24h
      Flexibility ≤2mm
      Adhesion ≤2级
      Impact strength ≥40kg·cm
      Heat resistance(500℃,2h) No foaming, no crack
      Shelf life 25℃, store for 6 to 12 months away from light

      Construction method
      1、Base material processing
      The coated base material surface must carry out thorough removal of grease, scale, rust, old coating, and etc., using shot or sand blasting method, to reach Sweden derusting standard Sa2.5 grade and roughness of 30-70μm, manual derusting methods can also be adopted to reach Sweden derusting standard St3 grade and roughness of 30-70μm.
      2、Mixture (applicable for two-component paint)
      According to the weight ratio (the label on the product packaging shall prevail). When mixing, under the condition of stirring the main agent continuously, slowly pour in curing agent to make it fully ad evenly stirred.
      20 min after curing of the well mixed coating, filter with 60-80mesh screen, and pour into another container for spare use.
      The mixed coating is valid for 3 hours; please arrange the use according to the construction progress.
      3、Baking (applicable for one-component paint)

      Product name Baking temperature Holding time
      500℃ Organic silicon heat resistant coating 220℃ 30min

      4、Construction conditions
      Coating operation shall be performed as soon as possible after the substrate processing, generally not exceeding 8 hours. The substrate surface temperature and environmental temperature are generally no less than 10℃, the surface temperature shall be at least 3℃ higher than the dew point temperature, and the relative humidity of the air shall not exceed 85%.
      5、Coating method
      This coating can use brush coating, airless spraying and auxiliary air spraying method for construction.
      Generally the coating shall use the matching thinner to adjust viscosity and cleaning tools.
      7、Coating intervals One-component paint can carry out later coating after drying; two-component paint is suggested to have the coating time intervals as follows:

      Substrate temperature 5℃ 20℃ 30℃
      Shortest 48h 24h 12h
      Longest No limit