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Clay Desiccant 
Mini-Dry, Close-Dry®
- Mini-Dry
- Close Dry
Mineral Desiccant is an effective means of moisture proof, can absorb moisture from the air, usually used in a sealed environment to reduce the humidity of the packaging, and prevent the product from moisture damage.
How Mineral Desiccant works
It works by absorbing water molecules into their own structure in a physical way, or after absorbing water molecules, it changes its own chemical structure and becomes another kind of material.
Topsorb mineral desiccant sachets are non-toxic, non-corrosive, environmental friendly, without any negative effects, DMF free. It has varies of specifications.
Packaging weight:
Mini Dry: 3g, 5g, 10g, 20g, 30g, mainly used for sealed package of products, such as PE bag, aluminum foil bag, anti-static bag, boxes, etc.
Close Dry: 50g, 100g, 200g, 250g, mainly used mainly in sealed package of cartons, wooden cases, containers, etc.
Mini Dry, Close Dry Absorbent
Active Mineral: Low cost, fast performance, high adsorption capacity, non-toxic, tasteless, non- corrosive, and pollution-free.
Clay: 100% nature, low cost, good performance in low humidity environment (at <30%RH, such as the vacuum package of PCB circuit board).
Absorbent
| Clay Desiccant | Active Mineral | Silica Gel |
| Absorbent | Color | Appearance | Adsorption capacity | Performance | Dust | Application | Cost |
| Active Mineral | Gray | Round regular particles | ≤50%
|
High adsorption | Dust-free |
In various packaging of export products |
Low |
| Clay Desiccant | Purple/ white | Irregular particles | ≤18% | Good adsorption at low humidity | A little dust | No Cl-, electronic &metal products | Low |
| Silica Gel | White /transparent | Round regular particles | ≤22% | Good adsorption in mid-humidity | Dust-free | In various product packaging | High |
Packaging Materials
| Non-Woven | Tyvek | Complex Paper |
| Package Material | Features | Intensity | Air Permeability | Anti-dust | Heat Sealing | Cost |
| Tyvek | Smooth surface, with a touch sense of transparent filamentous fibers
|
Excellent | Good | Excellent | Good | High |
| Non-Woven | surface roughness, clear sense of fiber | Good | Good | Common | Common | Medium |
| Complex Paper | Smooth surface, paper-like | Not good | Good | Common | Not goodn | Low |
Application
TOPSORB mineral desiccants, Mini Dry, Close Dry are widely used in electronics, machinery, fabricated metal products, glass, chemical biology, medicine, optical instruments, pet products, food packaging and military products etc. It is always equipped in the shipping containers to prevent the cargo from moisture damage during ocean voyage.
