1) Specification: grade one
2) Dimensions: 10 x 10 x 10mm, 10*10*50mm, or according to request of the cutomers.
3) Moisture: max. 7%
4) SO 2 : less than 30ppm
5) Packing:Inner packing: 20kg/double polybags
Outer packing: 20kg/ctn