Tree trunk whitening agent and preparation method thereof
A technology of whitening tree trunks and white cement, which is applied in the field of whitening agents, which can solve problems such as difficulty in breathing and ventilation, affecting tree growth, and easy coating powder loss, etc., to achieve enhanced breathing and air permeability, enhanced traffic safety, and good diffuse reflection sexual effect
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[0039] Example 1: (1), firstly mix 88Kg of glass powder with a fineness of 60μm, 4Kg of marble powder with a fineness of 35μm, 2Kg of alumina powder with a fineness of 30μm, 2Kg of calcite powder with a fineness of 30μm, and a fineness of 30μm 3Kg of diatomite powder and 1Kg of dolomite powder with a fineness of 25 μm are mixed to obtain a foaming mixture;
[0040] (2), the above-mentioned prepared foaming mixture is piled up in the heating furnace, and the foaming mixture is prepared after preheating in the heating furnace, heating for the first time, sintering heating, heating for the second time and foaming Sintered and foamed heating material, the sintered and foamed heating material is taken out of the heating furnace and then naturally cooled to room temperature, that is, microporous foamed glass pumice, whose micropore diameter is 0.6-0.75 mm; the preheating temperature is 400 ° C, The preheating time is 15 minutes; the first heating temperature is 700°C, and the heatin...
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