Currently reflective insulation material widely used - glass beads
As everyone knows, the reflective insulation coatings, also known as sun-reflective coating, which is developed on the basis of reflective insulation coatings on aluminum, by choosing an appropriate resin, various kinds of metals or metal oxides, fillers, and the production process and coating preparation of high reflectivity coating. Reflection on substance, have varied, but the current mainstream beads and paint materials can be divided into two categories. In the microbeads can be divided into glass beads and ceramic beads, the pigments can be divided into inorganic composite pigment, titanium dioxide, organic pigments and reflection.
Glass beads are the first to be introduced into the domestic prepared reflective insulation coating material. Its main ingredient is soda lime borosilicate glass, because the particle size distribution of imported products and the visible and near-infrared light in the same order of magnitude, can achieve a greater degree of reflection. Especially in the brilliant colors of paint, marking his reflection is excellent. Meanwhile, near-infrared light having a high emission property, that is, when the surface of the radiation into the paint, most of the heat energy is encountered glass beads emitted, thereby reducing the thermal energy into the interior of the coating.
But there are also glass beads‘ shortcomings, and even lower in lightness lightness coatings, reflecting the performance of its more difficult to meet current standards. Since density is between 0.1-0.6g / cc, in the production process, it is likely to cause dust pollution. Cause currently market sold glass beads have lower compressive strength, in the face of a large shearing force,they will easily damaged. Quietly distributed individual made glass beads broader in decentralized control, storage and film formation of marking is not ideal.