Glass flake clay
Glass flake clay is a kind of composite material, which is made of resin as binder, adding glass flake and powder. Glass flake clay is the main role of anti-corrosion
Chemical index of glass flake clay:
The corrosive environment of 1 types of glass glass type SiO2 CaO AL2O3 MgO B2O3 Na2O+K2O ZnO C 65-70% 4-9% 2-6% 0-5% 2-7% 9-13% glass 1-6% 2 chemical properties of 25 C 93 c acid hydrochloric acid, oxalic acid, sulfuric acid, nitric acid, sodium hydroxide alkali youyou calcium hydroxide, ammonium hydroxide, sodium sulfur acid salts youyou potassium chloride and sodium nitrate (dry gas youyou wet and dry (wet) chlorine) carbon dioxide youyou organic matter acetone, methanol and ethanol, aniline, carbon tetrachloride, youyou two physical indicators project indicators project indicators <8 M. tablet size thickness 6 -260 mesh proportion: 2.52g/cm3 porosity (%) 1.502 57 hardness tensile strength flexural strength (Mpa) 25 (Mpa) 79.47 (Mpa) 12.35 compressive strength impact strength (Nm/cm2) 0.35 (K -1) linear expansion coefficient of 1.15 * 10 -6 The water vapor infiltration rate (g/100m2.Day.h) volume density of 0.0007~0.0160 (g/cm3) after vibration volume density (g/cm3) 6 - 0.2 - 0.3 0.3 - 60 mesh 0.460 mesh 200 mesh 0.4 - 0.45 - 0.65 - 0.7 - 0.7200 mesh 500 mesh 0.75 1.10 - 1.15
The volume density of glass flake increases with the decrease of particle size.
Glass flake clay features:
Glass flake clay is an important raw material for the production of heavy anti-corrosion coatings, pearlescent pigments and plastic products indispensable, used in anti-corrosion field, can significantly improve the anticorrosive performance of the coatings, prolong the service life of the object; used in the manufacture of glass flake pearlescent pigment, pearlescent pigment luster is far better than natural mica, synthetic mica pearlescent pigment production, and with anti-corrosion, anti UV function; used in plastics industry, plastic products can increase the strength, prevent thermoplastic plastic precision parts made of thermal deformation, improve the stability of space.
1, glass scale can prevent water vapor and chemical solvents on the substrate material erosion. The degree of chemical resistance of the substrate or the coating varies with the selected glass raw material, and the glass flake made of C- glass has excellent chemical durability.
2, due to the relative stretching coefficient of the steel, cement and other material and substrate, so in the case of heat shock resin layer easily cracking and shedding, and glass flake could commission a heat stable layer, which can prevent the substrate cracking and spalling.
3, good temperature resistance. The glass flake lining can be used to increase the temperature of 20-40 DEG C than that of the same resin coating, so it is widely used in oil pipeline, hot water pipeline, heat resistant chemical equipment and so on.
4, small thermal expansion coefficient.
5, the coating containing glass flake is much harder than epoxy or polyester resin layer without glass flake, so it has high surface abrasion resistance.
6, good compatibility, can be composed of various anti-corrosion coating resin.
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