- Solub. in water: (20 ºC): 1 g/lr- Melting point: > 1000 ºCr- Tariff number: 2811 22 00 90r- Applications: desiccant.rrSPECIFICATIONSrabsorption capacity at 40%: min. 20 %rloss on drying (180 °C) : max. 2 % r