Glass sand

Glass sand Size Number Hong Kong label Particle size ranges ц Specifications Features Use GB 30 # 9 # 400-800 Shape: spherical Weight: 2.5g/m3 Bulk density: about 1.5g/cm3 Mohs hardness of :6-7 Rockwell hardness: approximately 46HRC Typical composition (%): Si02:> 65.0 Na20 <14.0 Ca0> 8.0 Mg0> 2.5 Ai203> 0.5-2.0 Fe203: 0.15 Other: 2.0 Packing: 25 kilos 1, the chemical composition of the inert chemical activity of silica without interference concerns; 2, circular elastic particles, impact resistance, can be recycled many times, less wear and tear; 3, small wear on the nozzle to extend the service life of the nozzle; 4, the ball surface, will not damage the precision machined surface and size; 5, processing, surface smooth, with a special beauty, improve product value; 6, suitable for dry and wet blasting operations; 7, metal micro-cracks with a fine glass beads in the wet sand is easily displayed 1, on aerospace parts sandblasted to remove the stress, to increase the fatigue strength, and to reduce friction and wear; 2, sand-blasting, paint, in addition to carbon, in addition to machining of the marks; 3, anodizing and plating before the treatment, in addition to clean the outside can help increase adhesion; 4, stainless steel parts of the weld surface scratches clean and the removal, etc.; 5, line cutting mold cleaning rust; 6, rubber mold of the dross; 7, with a reflective road marking; 8, arts and crafts decorative appearance; GB 60 # 8 # 200-400 GB 80 # 7 # 150-250 GB 100 # 6 # 100-200 GB 120 # 5 # 100-150 GB 150 # 4 # 70-150 GB 180 # 3 # 70-110 GB 220 # 2 # 50-100 GB 280 # 1 # 40-70 GB 320 # 0 # 1-50