low Pb 500mesh zinc dust

product type:Zinc dust (Zinc powder) desription:Distilled fine metal powders. Optimally sized by screening and air classification. Typical Applications:Chemicals Coatings lubricants Paints Plating Purification,etc. Specifications:80mesh,120mesh,200mesh,300mesh,325mesh,400mesh,500mesh, 600mesh,800mesh,1000mesh,1500mesh. Packing: 50kg per iron drum,1.2mt per pallets; 1000kg per fiber bag,2mt per pallets or packaging as customers requested. Storage and Shell life: Zinc dust is sensitive to moisture store in a cool,dry location. Unsealing the container or storing in humind area will reduce the shelf life. Alternative Grades: Additives,custom lends and tailoring for specific requirements are available upon requested. main specificatons quanlity index as below: Specificaton %325mesh500mesh800meshlow Pb 325meshlow Pb 500meshlow Pb 800meshTotal zinc%min.99.0099.0099.0099.0099.0099.00Metallic zinc%min.96.0096.0096.0096.0096.0096.00Lead%max.0.10.10.10.0050.0050.005Cadmium%max.0.080.080.080.0050.0050.005Iron%max.0.0050.0050.0050.0030.0030.003Average particle sizeMicrons7-94-62-57-94-62-5Sieve+100mesh(150u)%max.TraceTraceTraceTraceTraceTrace+200mesh(75u)%max.TraceTraceTraceTraceTraceTrace +325mesh(44u)%max.0.020.010.0060.020.010.006Specific Gravity7.17.17.17.17.17.1