1. name:Industrial and photo grade sodium thiosulphate  

 

  2. appearance: colorless or slightly yellow transparent monoclinic crystal.

 

  3.Application: used in fixers, plating, leather, reductant, dechlorinating agent, sulfur dyeing agent, as a blush preventive agent, and as a disinfectant. and decolor agent.

  4.Package: 25kg / 50kg compound plastic woven bag with inner polythene liner; 1000kg Jumbo bags, Any other particular requirements to the package can be discussed.

 

  5. Shelf Life: one year

 

  6. Storage & handling: Store the product in a cool and dry place; prevent from direct sunlight,  water and  moisture; avoid contact with strong acid,oxidants. Do not stores it for long time.

	Photo grade	Tech grade	Anhydrous
Appearance	Colorless transparent crystal	Colorless transparent crystal	White powder
Na2S2O3	> 99.0%	> 98.5%	> 97.0%
Water insoluble matter	< 0.01%	< 0.03%	< 0.03%
Sulfide	< 0.001%	< 0.003%	< 0.001%
iron	< 0.001%	< 0.003%	< 0.005%
PH	6.5-9.5	6.5-9.5	6.5-9.5
Water solution reaction	Pass test	Pass test
Granularity(g/g)	12-16	.