Specification :

1. Fine-pored silica gel includes fine-pored spherical silica gel and fine-pored lumpy silica gel.
2. Narrow spherical silica gel is colorless or slightly yellow transparent or semitransparent granular in substance, narrow lumpy silica gel is colorless or slightly yellow transparent or semitransparent Irregular granular in substance.
3. Fine-pored silica gel is also called Type-A silica gel.