Description
Sodium Dichloroisocyanurate (SDIC)
★ Features
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SDIC dissolves easily in water and offers high efficiency, fast action, broad-spectrum performance, and safety. At 20 mg/L, it achieves a 99% sterilization rate.
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It is stable during storage. Under dry conditions, available chlorine loss is less than 1% within six months. It remains effective below 120°C and is non-flammable.
★ Technical Specifications
| Item | Grade I | Grade II |
| Available Chlorine (%) ≥ | 55 | 60 |
| Moisture Content (%) ≤ | 14 | 5 |
| pH (1% solution) | 5.5–7.0 | |
| Insoluble Matter (%) ≤ | 0.1 | |
★ Applications
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Widely used as a disinfectant in circulating cooling water systems and swimming pools.
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For cooling water:
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Summer: add 15–20 mg/L every 2–3 days
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Spring/Autumn: add every 3–5 days
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Winter: add every 5–7 days
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Can be used alternately with non-oxidizing biocides to enhance performance.
★ Packaging & Storage
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Packed in 25 kg polyethylene-lined woven bags.
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Store in a cool, dry, indoor area. Avoid moisture and direct sunlight. Shelf life: 12 months.
★ Safety & Handling
SDIC is irritating to skin and eyes. Use protective gear during handling. In case of contact, rinse immediately with plenty of water.
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