多彩多姿多规格硫化钠

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The national sodium sulphide standards

------local level company standard flag , lable , package , transportation , storage

flag and lable
There should be firm and clear flag on the package of industrial sodium sulphide , and the flag should contain the name and address of the works , the name and the brand of the product , net weight , class , the standard number and the rot stamp of GB190-1990 . Each lot of the product should have the quality certification . It contains the name and the address of the firm ,the name and the brand of the product , net weight , class , the lot number or bring out date , the standard number and the qualified product certification .
package , transportation , storage
For Class A and Class B industrial sodium sulphide , the package will meet the customers` order to use the safe package made of steel or iron . For the Class C industrial sodium sulphide , it is packed in iron pail , and the net weights are 25kgs ,50kgs, 150kgs.
The iron pail must be sealing and firm , other kinds of package must be insure the products` quality stable and conform the relevant fixed safe transportation rules .
During the process of transportation and storage the industrial sodium sulphide products should be in a airing arounding , and prevent from rain , breathing , heat , and should not be touch with acidulous rot stuff . And also should insure the packages are not broke .