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                W61 Organic Silicon Heat Resistant Coating

                W61 Organic Silicon Heat Resistant Coating

                Composition: it is composed of organic silicon resin, active antirust pigment, penetrating agent, curing agent, additives, etc.

                Performance:

                Corrosion Resistant Performance
                The organic silicon heat resistant coating has high chemical environment resistant, acid-alkaline proof properties, heat and humidity resistance, which can protect the substrate from corrosion.
                Heat resistance
                This coating can resistant 200-800℃ and the paint film will not crack.
                Thermal cycling
                This coating can resistant thermal cycling ten times.
                Decoration property
                It’s available in a choice of colours.

                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 of 200-800℃, to have the decoration, protection and anticorrosion functions. The coating can be used in metallurgy, petroleum, chemical blast furnace, inside and outside wall of hot blast stove, chimney, flue, exhaust pipe, muffler, heat exchangers, oven, grill, brazier and other metal surface requiring high temperature corrosion protection coatings.

                Product specification

                Temperature resistant range Paint film color Coating types Mixing  proportion
                200℃ Black, white, grey, red, yellow, blue, green, aluminum pink, and other colors Finish paint, primer, One-component, Dual-component
                300℃ Black, white, grey, red, yellow, blue, green, aluminum pink, and other colors Finish paint, primer, One-component, Dual-component
                400℃ Black, white, grey, aluminum pink, and other colors Finish paint, primer, One-component, Dual-component
                500℃ Black, white, grey, aluminum pink, and other colors Finish paint, primer, One-component, Dual-component
                600℃ Black, white, grey, aluminum pink, and other colors Finish paint, primer, One-component, Dual-component
                700℃ Black and aluminum pink Finish paint, primer, One-component
                800℃ Black and aluminum pink Finish paint, primer, One-component

                Technical parameters

                Item Index
                Color Primer: gray, iron oxide redFinish: Black, white, grey, red, yellow, blue, green, 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級
                Impact strength ≥40kg·cm
                Heat resistance(200-800℃,2h) No foaming, no crack, no pulverization
                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
                200℃ Organic silicon heat resistant coating 140℃ 20min
                300℃ Organic silicon heat resistant coating 200℃ 30min
                400-800℃ Organic silicon heat resistant coating 220℃ 30min
                280℃ 10min

                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.
                6、Dilution
                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
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