высокой чистоты металлургический порошок кремния 4N / 4N5

high purity metallurgic silicon powder 4N/4N5 1. Our products mainly focus on silicon metal powder. 2. The purity ranges from 98% to 99.995% with all kinds of sizes.3. Superiority: Skill in Hign Purity and unusual specification & size4. Customized product in more size of powderper specific requestspecificationSi: 99.99%-99.995%Microelements details such as P/ B/ C/ Ti/ Cu/ Mn, etc. would be filled according to specific order requirement.sizesample image:more size segments: -45um/45-425um/50-150um/40-200mesh/70-140mesh, etc.silicon powder products in more other sorts of size list as below:Chemical composition %SizeSiFeAlCaPBMINMAX99.90.020.030.0030.002/0.0040.001/0.002-2mm/ 45-425um 45-2000um/ 40-325mesh 70-200mesh 99.90.030.050.0050.002/0.0040.001/0.00299.80.050.070.0070.002/0.0040.001/0.00299.60.10.10.010.002/0.0040.001/0.00299.50.150.150.020.002/0.0040.001/0.00299.50.20.20.020.002/0.0040.001/0.00299.00.30.10.030.0040.001/0.00299.00.30.20.030.002/0.0040.001/0.00299.00.30.30.030.002/0.0040.001/0.00299.00.40.40.10.0040.002 Price: Depends on spec., size and quan. Inspection: internal or third-party authority Quality/Safety Certification: ISO 9001: 2008