Upasil® 20 yellow is used where products must be protected from moisture.
Upasil® 20 yellow changes the color when the silica gel is saturated. It changes color from yellow to light blue.
Upasil® 20 yellow is broken (2.5-6mm) or in spherical shape (2-5 mm) yellow. The pH of the Indikatorgels is between 3.5 and 7.
Upasil® 20 yellow contains a mixture of different indicators and is free of hazardous substances. Therefore, the classification as hazardous deleted.