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| Graininess | The most common form ā irregular or nearly spherical small particles. Larger specific surface area and faster moisture absorption rate. |
| Spherical | Regular balls made by granulation process. Good fluidity, beautiful appearance, more uniform filling during packaging, and less dust. |
| Strip / Block Shaped | Rarely seen; usually used for specific devices or spaces. |
| 1ā2 mm | The most commonly used size, suitable for the vast majority of small packaging (such as electronic products, food bags). |
| 2ā4 mm | |
| 4ā8 mm | Used for slightly larger spaces such as luggage, shoe boxes, and small to medium-sized packaging boxes. |
| Coarse-grained (>8 mm) | Less commonly used for direct packaging; powder form may be used for filling special composite materials. |
| Fine Powder |
| Specifications | Use | |
| Micro / Small Sized | 1g 2g 3g 5g 10g | Extremely small spaces such as small medicine bottles, small electronic product bags, cosmetic samples, camera lens covers, etc. |
| Standard Specification | 20g 30g 50g 100g | The most widely used interval. Suitable for shoe boxes, handbags, toolboxes, instrument boxes, medium-sized food packaging, suitcases, etc. |
| Medium Size Specification | 200g 500g 1000g | Large packaging boxes, container drying rods/bags, warehouse shelves, wardrobes, small enclosed spaces (such as safes, Gun Safe). |
| Large / Industrial Specifications | 5kg / 10kg and above (usually bagged or barreled loose materials) | Used for internal filling of large equipment, large-scale container loading, moisture-proof storage of industrial raw materials, or as a raw material for recycled desiccants. |
Raw material is natural mineral ā non-toxic, odorless, and non-corrosive. Treatable as general waste; harmless to the environment.
ā Non-corrosive ā will not corrode metal or packaging materials.
ā Non-toxic ā suitable for food and medicine (must comply with relevant standards).
ā Compliant with EU REACH and RoHS regulations.
Under low humidity conditions (<50% RH), moisture absorption performance is significantly better than silica gel desiccant. The moisture absorption curve is gentle and stable. Saturation moisture absorption rate exceeds 50% of its own weight ā 1.5Ć that of traditional desiccants.
After moisture saturation, most moisture absorption capacity can be restored through drying ā cost-effective and reusable.
Performance is stable at room temperature. Moisture absorption capacity decreases at high temperatures (>50Ā°C) ā a common characteristic of physical adsorbents.
During the moisture absorption process, shape remains unchanged ā will not liquefy, leak, or collapse.
Widely sourced raw materials ā one of the lowest cost desiccants available on the market.
| Field | Use |
|---|---|
| š Food Industry | Packaging for snacks, dry goods, tea, seafood, etc. |
| š Clothing, Footwear & Headwear | Prevent clothing, leather, and shoes from getting damp and moldy during storage and transportation. |
| š Household Items | Gift boxes, toolboxes, storage cabinets, wardrobes, etc. |
| š Electronic & Electrical Appliances | Moisture-proof packaging for lightweight electronic products. |
| š¢ Storage & Transportation | Container and container moisture prevention to prevent "container rain" of goods. |
| āļø General Industrial Products | Rust-proof packaging for hardware, mechanical parts, and instruments. |
| Characteristic | Bentonite Desiccant | Silica Gel Desiccant | Calcium Chloride Desiccant |
| Main Ingredient | Natural bentonite | Synthetic silica gel | Calcium chloride |
| Moisture Absorption Principle | Physical adsorption (reversible) | Physical adsorption (reversible) | Chemical adsorption (deliquescence, conversion) |
| Low Humidity Effect | ā Optimal (<50% RH) | Good | General |
| Environmental Friendliness | ā Excellent, naturally treatable | Good, but synthetic product | Generally ā solutions have weak corrosiveness |
| Safety | ā High (non-toxic), safe and inert | High (non-toxic), safe and inert | Medium (with irritability) |
| Cost | ā Minimum | Medium | Low (but with low unit moisture absorption cost) |
| Typical Color Variation | Color deepens; particles become damp | Orange/Blue ā Colorless/Pink | Particles ā Solution |
| Best Operating Environment | Normal temperature & humidity, short-term moisture resistance | Widely used, especially precision instruments | High humidity environment, sealed space |
