... fine-pored silica gel.4) Blue Silica Gel: Lumps or Spherical Sharp, After absorbing Moisture, it ... given environments.5) DL Blue Silica Gel: Lumps or Spherical Sharp, used as humidity indicator or ... the requirements.6) Fine-Pored Silica Gel: Lumps or Spherical Sharp, used for drying and moisture ... -proof.7) Macro-pored Silica Gel: Lumps or Spherical Sharp, used for moisture-proof packing ...