- Material
- 680 g domestic acid-free paper/674 g imported wood pulp
- Size
- 31×22 cm
- Spine Thickness
- 2, 3, 4, 5, 6 cm
- Applicable
- Suitable for enterprises, government agencies, schools, offices, libraries, homes, hospitals, etc.
- Material Options
- Imported wood pulp paper (674 g) and domestic acid-free paper (680 g)
- Color
- Dark with yellowing, light with whitening
- Material Thickness
- 1-1.2 mm
- Paper Weight
- 674 g, 680 g
- Characteristics
- Insect-proof, mildew-proof, non-deformable, non-fading
- Hardness/Flexibility
- Good hardness and flexibility
- pH Value
- Neutral paper with pH 7-8
- Storage Period
- 60 years, 50 years
- Printing
- High-definition printing, clear factory markings, high text recognition
- Craftsmanship
- Solid material with clear edges, one-time molding with adhesive lamination process
- Closure
- Elastic button not easy to fall off, convenient opening and closing
- Organization
- Side partitions for labeling and organized filing
- Capacity
- Large storage space with front and back compartments