a级大胆欧美人体大胆666,美女扒开腿让男人桶爽30分钟,欧美网站,区二区三区,国产情侣真实露脸在线

1、Chemical Name：IRON OXIDE RED

2、Molecular Formula: Fe₂O₃

3、Molecular Weight: 159.688

4、CAS: 1309-37-1

5、Character: Red to reddish brown powder odorless insoluble in water organic acids and organic solvents soluble in inorganic acids have α- type (positive magnetic) and γ- type (diamagnetic) two types of dry production of products generally fineness in 1μm below the photothermal air stability of acid and base is more stable coloring force.

6、Usage: Used for polishing magnetic materials, grinding materials, coatings and printing ink industry.

7、Packing: It is packed with polythene bag as the inner layer, and a compound plastic woven bag as the outer layer. The net weight of each bag is 25kg.

8、Storage and Transport: It should be stored in a dry and ventilative warehouse, kept away from water and moisture during transport, unloaded with care as to avoid being damaged. Furthermore, it must be stored separately from poisonous substances.