British brown granite is very popular in the country and is often used in exterior walls, kitchen countertops and other places.
Ground British brown stone before the renovation and grinding, then waterproof, and then make caulking, the purpose is to make the British brown granite as little water as possible, to reduce the British brown granite water absorption law, the conditions allow, finally do another waterproof .
Rough grinding: British brown granite is grooved before being ground and then waterproofed, then caulked. After the waterproof effect comes out, use the hard grinding block of diamond resin. The amount of coarse grinding water should not be remembered too much. After each grinding piece is wiped clean with a mop, thoroughly absorb the water and check the depth of the grinding. Whether the scribe lane is ground with 50# grinding discs, and so on, the machine walks the well and the coarse grinding accounts for 45% of the total grinding time, which is the key link to ensure the quality of the completion of the project.
Fine grinding: before the grinding, do the waterproofing first. After the waterproof effect comes out, use the soft water grinding sheet of diamond resin. The fine grinding accounts for 35% of the whole time, and the fineness can reach 50 degrees after fine grinding to 2000#.
Fine grinding: Before the grinding, the British brown granite must be 70% dry, first treated with natural British brown granite sealant, so that the British brown granite fills the loose and strengthens the material. After polishing, the gloss is improved very much, and the surface density of British brown granite is improved, which lays a solid foundation for the polishing agent and enhances the adhesion of the polishing material.
Polishing: Polished British brown granite must be thoroughly dried. The surface power of the crystal machine is more than 2HP. It is introduced into the milk Q5 for polishing. After polishing, the surface gloss of the British brown granite can be at least 90-100 degrees.
British brown physical properties: bulk density 2.97g/cm3, pressure resistance 122.6Mpa, bending resistance 17.4Mpa, water absorption rate 0.19%, Mohs hardness 6.6, gloss 86.6
Layout characteristics: brown red, good luminosity, so the difference in texture has no effect on the opening of different blocks. Face opening: large pattern, open from the side: small pattern
Main advantages and disadvantages: The variety is mainly red-brown biliary structure, which is divided into deep red, reddish, large flowers and small flowers according to different colors. The variety is relatively stable. The color, crystal and pattern of the same mine are slightly changed. The main defects are black gall, black line, red ribs, uneven texture, uneven flower, and crack. Blocks are very large. China prefers a small brown pattern on a brown background.
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