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High-Quality Sodium Dichloroisocyanurate (SDIC) Granules from Reliable China Suppliers and Factory
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High-Quality Sodium Dichloroisocyanurate (SDIC) Granules from Reliable China Suppliers and Factory

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  • Synonym(s) SDIC; NaDCC; Sodium 3,5-dichloro-2,4,6-trioxo-1,3,5-triazinan-1-ide
  • Appearance White Granules
  • Available Chlorine 55%, 56%, 60%
  • Samples Available
  • Certification NSF, REACH, BPR

Description

Sodium Dichloroisocyanurate (SDIC) granules are a highly effective disinfectant and biocide commonly used in various industries. These granules are known for their broad-spectrum efficacy, stability, and ease of use, making them a popular choice for disinfection and sanitation purposes. SDIC granules will release chlorine when dissolved in water, providing a powerful oxidizing agent that eliminates a wide range of pathogens, including bacteria, viruses, fungi, and algae.

Technical Data Sheet

Products SDIC Dihydrate Granules SDIC Granules
Appearance White granules
Odor Chlorine odor
Available Chlorine 55% MIN, 56% MIN 60% MIN
Molecular Formula NaCl2(NCO)3·2H2O NaCl2(NCO)3
CAS No. 51580-86-0 2893-78-9
Granularity (mesh) 8-30, 20-60
Application Mainly applied for disinfection of swimming pools and spas
Certification NSF, REACH, BPR

Applications

1. Water Treatment: Extensive use for swimming pools, drinking water, and wastewater disinfection to eliminate harmful microorganisms.
2. Industrial Use: Applied in food processing, beverage manufacturing, and dairy for equipment sanitation and hygiene maintenance.
3. Agriculture: Disinfection of livestock, poultry, and aquaculture environments to prevent disease spread.
4. Public Health: Hospital and healthcare facility disinfection for surfaces and medical equipment to control infection.
5. Household: Sanitizing kitchens, bathrooms, and other areas prone to microbial contamination.
6. Textile Industry: High performance in fabric bleaching processes.

Packaging

Sodium dichloroisocyanurate granules are typically packaged in high-density polyethylene (HDPE) drums, fiber drums, or plastic pails. Common packaging sizes range from 1 kg, 5 kg, 10 kg to 50 kg, catering to various customer needs.
For bulk orders, jumbo bags or customized packaging are available. Each package is labeled with product information, safety guidelines, and handling instructions to ensure proper use and storage.

Guidance for Use in Swimming Pools

Important
  • Use safety gloves and safety mask to protect skins and eyes.
  • Never add granules when the pool is being used; wait at least 30 minutes after addition.
  • Maintain chlorine levels at 1.0 to 3.0 ppm and pH between 7.2 to 7.6.

Directions for Use

  1. Dissolve SDIC granules in a bucket of pool water and stir gently.
  2. Pour solution into the pool above the return inlet while circulation is running.
  3. Keep circulation running for at least 30 minutes.
  4. Test water to confirm 1.0 to 3.0 ppm chlorine concentration.

General Precautions

  • Ensure filter and circulation systems are functional.
  • Handle products in well-ventilated areas and wash hands thoroughly.

Caution & Safety

Keep in a dry, cool, ventilated place away from light and children. Keep container tightly closed. NEVER MIX WITH ANY OTHER PRODUCTS.

Frequently Asked Questions

What is the difference between SDIC 56% and 60%?
The percentage refers to the available chlorine content. SDIC 60% (Anhydrous) has a higher chlorine concentration compared to SDIC 56% (Dihydrate), making it more potent for heavy-duty disinfection.
Is SDIC safe for all types of swimming pools?
Yes, SDIC is fast-dissolving and pH-neutral, making it safe for most pool surfaces, including vinyl liners, as it does not cause bleaching when pre-dissolved correctly.
How should I store SDIC granules?
SDIC should be stored in a cool, dry, and well-ventilated area, away from direct sunlight, heat sources, acids, and organic materials. Ensure the lid is tightly sealed after use.
Can I use SDIC for drinking water disinfection?
Yes, SDIC is widely used for emergency water purification and drinking water treatment, provided the dosage follows international health standards (like NSF certification guidelines).
How long should I wait to swim after adding SDIC?
It is recommended to wait at least 30 minutes after the granules have fully dissolved and the circulation system has distributed the chlorine, ensuring levels are within the safe 1.0-3.0 ppm range.