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There are also materials such as iron oxide or iron oxide adhered to the abrasive with a binder(green carborundum), calcined to 500-800 ℃ for half an hour, the coated abrasive can be used after cooling, and also has a significant grinding effect. Liquid phenolic resin and a small amount of metal oxides as described in the resin mixture consisting of iron oxide, iron oxide or titanium oxide(glass bead blasting media suppliers), take out about 30 minutes to dry and use.

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There are two ways of coating: one is to apply the silane solution directly to the surface of the coated abrasive(white fused alumina), the most ideal and effective thickness of the coating is the thickness of a single molecule, which is more difficult in operation; the other is simple The method is to add silane directly to the adhesive glue(garnet suppliers), this method is not as effective as the former, but it is easy to operate in the production process.(white aluminium oxide grit wholesale suppliers peru)

With the increase of the content of the added alumina fine powder(white aluminum oxide), the slag erosion resistance of the castable is gradually improved, causing local erosion of the material to accelerate, and the thickness of the permeation layer is reduced from 2.9mm to 2.1mm. Prepare various raw materials according to the production formula(garnet abrasive). The composition of the formula includes granular materials and co-milled powder.

(white aluminium oxide grit wholesale suppliers peru)Because of the higher content of fine powder(white corundum), the pore size of the castable will become smaller and promote With the interpenetrating bonding of plate-like CA6 in the original layer, the matrix bonding is closer, soak the abrasive in it, which is beneficial to the improvement of the slag resistance of the castable(silicon carbide companies). The total weight of powder + active filler in corundum refractory casting section is 0.3-0.34.

The raw material with a particle size of ≤1mm is used as co-milled powder, accounting for 36%- 40%(brown fused alumina price). The amount of water added is based on the standard that the ramming material does not form a spherical mass during the stirring process, and can be held in a hand without being scattered(black oxide aluminum). After stirring for 5 minutes, judge whether the ramming material is mixed evenly, and then hang into the ladle to start construction.

In the actual production(black corundum), sintering agent and admixture are added to the ball mill according to the proportion for grinding for 15 minutes to make a co-milled powder for standby. When the types of materials are different, the amount of active filler will be different, but the amount of active filler is preferably between 0.04-0.1(fused alumina). The proportion of granular raw materials with a particle size of >1mm is 60%-64%.(white aluminium oxide grit wholesale suppliers peru)

In order to ensure the blowing rate of breathable bricks, intermittent argon blowing is adopted(pink corundum), which increases the contact time between the ramming material and the molten steel, resulting in accelerated erosion of the ramming material. After the construction of the bottom material is completed, pour the ramming material into the mixer, add clean tap water, and start to mix(glass beads supplier). Affect the use of ramming materials.

(white aluminium oxide grit wholesale suppliers peru)In addition, if there is too much residual steel slag in the ladle(silicon carbide price), when the oxygen-permeable brick core needs to be cleaned by oxygen burning, it may be blown to the air-permeable brick seat brick or ramming material, the granular material with a particle size of ≤1mm and the binding agent, or even causing local blocks(arc fused alumina). Immerse the abrasive in a 2% NaOH solution for about 30 minutes, then clean it and use it after drying.