180 Grit Aluminum Oxide Blasting Media Russia

Rubber is one of the main aluminum oxide sandblasting media raw materials for producing rubber abrasive tools. In terms of quality, it accounts for 10% ~ 15% of the quality of abrasive tools. Therefore, the physical and chemical properties, types and dosage of rubber have a direct impact on the performance of abrasive tools. But the plasticity is too large, the rubber is easy to stick to the roller, the adhesive force of the rubber material is reduced, and the aluminium oxide blasting mechanical strength of the abrasive tool is reduced.

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Therefore, the plasticity of rubber should be properly controlled in production. There are many kinds and varieties of rubber, black synthetic corundum which can be divided into natural rubber and synthetic rubber according to the source of raw materials and preparation methods. According to the shape of raw rubber: solid rubber, (powder, flake, granular) liquid rubber and latex. Compared with low molecular compound, black alumina which are closely related to the manufacture of abrasive tools.(180 grit aluminum oxide blasting media russia)

According to the black aluminum oxide abrasive 70 grit main chain structure: carbon chain rubber (saturated carbon chain, unsaturated carbon chain) and heterochain rubber. According to the characteristics and uses: General glue and special glue. In addition, the uncured rubber is called "raw rubber", and the vulcanized rubber is called "rubber". Rubber is a kind of high molecular compound. Because of the movement of the aluminium oxide abrasive grit polymer chain segment, there is a high elastic state area in the polymer.

(180 grit aluminum oxide blasting media russia)Under the action of external force, the macromolecule can stretch along the direction of the external force, brown fused alumina causing great deformation. After the external force is removed, the chain segment should return to its original equilibrium state and form a curly state like a spring. High elasticity refers to the mechanical properties of a body that can produce large deformation without defecation and recover its original shape after aluminum oxide for sand blaster removing external forces.

This is the unique performance of rubber polymers. It is precisely because of the brown aluminum oxide high elasticity of rubber that the rubber Abrasives produced have good polishing performance. The test methods are divided into three categories: compression type (Vickers plastometer, Wallace rapid plastometer, Dover plastometer, etc.), press out type (Griffith press out plastometer, capillary rheometer, etc.), rotation type (Mooney viscometer, high purity fused aluminum oxide vulcanizer, etc.).

(180 grit aluminum oxide blasting media russia)Plasticity refers to the ability of the brown aluminium oxide material to deform under the action of external force, which can not be restored to its original shape after removing the external force. As mentioned before, rubber is a kind of high viscosity liquid in essence, that is to say, most rubber has certain plasticity while it is elastic, which is related to the structure and molecular weight of rubber. This is conducive to the mixing and forming of aluminium oxide sandblasting tools.

Among them, rubber tree with three leaves uses the most, corundum sand which is rich in Brazil. Now, Hainan, Guangdong, Guangxi, Yunnan, Fujian, Taiwan and other places in China grow a lot. There is a large amount of white emulsion inside the milk tube of the three leaf rubber bark, which is called "latex". These latex are made into sheet dry rubber through dilution, it has many unique properties, sedimentation, filtration, coagulation, tablet pressing, drying or pink aluminium oxide fumigation.(180 grit aluminum oxide blasting media russia)