The quality of zirconium concentrate varies with resources, and there is no international standard. Therefore, the companies or manufacturers of each producing country have their own standards according to their resource characteristics and user requirements. The national standards for zirconium concentrate in China are shown in the table below.
Table National Standard for Zircon Concentrates in China
level | chemical composition,% | Particle size mm | |||||
(Zr, Hf)O 2 | Impurity content | ||||||
TiO 2 | P 2 O 5 | Fe 2 O 3 | Al 2 O 3 | SiO 2 | |||
Premium product | 65.50 | 0.3 | 0.20 | 0.10 | 0.3 | 34 | -0.4 |
First grade | 65.00 | 0.5 | 0.25 | 0.25 | 0.8 | 34 | -0.4 |
Second grade product | 65.00 | 1.0 | 0.35 | 0.30 | 0.8 | 34 | -0.4 |
Third grade | 63.00 | 2.5 | 1.50 | 0.50 | 1.0 | 33 | -0.4 |
Fourth grade | 60.00 | 3.5 | 0.80 | 0.80 | 1.2 | 32 | -0.4 |
Five grade | 55.00 | 8.0 | 1.50 | 1.50 | 1.5 | 31 | -0.4 |
A drone, from parts to perfect machine, we need to carefully assebmly, Tuning and testing. We need some small tools to help us get it done. These are some screws, tape, Vary wire, DuPont wire, 3M tape, switchboard and more. They make the whole process easier, faster and more beautiful. We can supply those parts at one station, and perhaps help you find the products you need.
Drone Assembly Tools, Drone Parts, Battery Strape, Double Side Tape
shenzhen GC Electronics Co.,Ltd. , https://www.jmrdrone.com