Sodium Alumino Sulphosilicate Based Ultramarine Blue Powder contains moisture in a maximum range of 1.50%. Ultramarine Blue Powder is available in bulk density of 800-900 gm/ltr. Ultramarine Blue Powder has good amount of acid and alkali fastness. Sodium Alumino Sulphosilicate Based Ultramarine Blue Powder has an oil absorption rate of 32 gm /100 gm.