Hebei Liuhe Chemicals Co., Ltd.SDIC & TCCA MANUFACTURER
Inquiry now
Leave Your Message
Hebei Liuhe Chemicals Co., Ltd.SDIC & TCCA MANUFACTURER
Inquiry now Explore our professional-grade SDIC tablet solutions engineered for effective, safe, and reliable pool water sanitization. Each product is manufactured under strict quality control for consistent disinfection performance.
Understanding the chemistry and science behind Sodium Dichloroisocyanurate — the world's leading active chlorine compound for pool water sanitization.
Sodium Dichloroisocyanurate (SDIC), chemically known as NaDCC, is a white crystalline powder or tablet-form compound that releases active chlorine upon dissolving in water. With an available chlorine content of 56–60%, SDIC tablets are one of the most efficient and cost-effective disinfectants available for pool water sanitization, drinking water treatment, and industrial hygiene.
When dissolved, SDIC produces hypochlorous acid (HOCl) — the active disinfection agent that rapidly kills bacteria, viruses, algae, and other waterborne pathogens. Unlike traditional bleach, SDIC tablets are stable, easy to handle, and release chlorine at a controlled, sustained rate — making them ideal for automated dosing systems in both residential and commercial pools.
The tablets are available in multiple sizes — 1g, 20g, 50g, 100g, and 200g — allowing customized dosing based on pool volume, bather load, and local water chemistry. SDIC is compatible with a wide range of pool equipment and treatment systems, and it does not significantly affect pool water pH, simplifying overall water balance management.
SDIC tablets deliver measurable advantages over alternative pool disinfectants — from superior efficacy to operational convenience and safety.
SDIC rapidly eliminates E. coli, Staphylococcus, Pseudomonas, Legionella, and a wide range of viral pathogens — ensuring pool water meets international health standards at all times.
Dissolved SDIC reaches effective chlorine levels within minutes. Tablet formulations extend residual protection for hours, reducing dosing frequency and operational costs.
SDIC tablets remain stable under a wide range of storage conditions. Unlike liquid chlorine or hypochlorite powder, they maintain potency for up to 3 years in sealed packaging.
Pre-measured tablet formats eliminate guesswork. Each tablet delivers a consistent, predictable chlorine dose — essential for automated feeder systems in commercial pools and spas.
SDIC decomposes into non-toxic cyanuric acid and sodium chloride after reaction. Its low environmental footprint and reduced packaging waste align with modern sustainability standards.
Hebei Liuhe Chemicals maintains 60,000 MT/year SDIC production capacity, ensuring uninterrupted supply for distributors, operators, and government procurement at any scale.
The SDIC pool sanitization market is evolving rapidly. Understand the commercial and industrial forces shaping demand for chlorinated disinfectant tablets worldwide.
The global pool water treatment chemicals market was valued at over USD 3.8 billion in 2023 and is projected to reach USD 6.2 billion by 2032, growing at a CAGR of over 5.5%. SDIC-based products account for a significant share of this growth, driven by expanding public pool infrastructure, rising standards for waterborne disease prevention, and strong adoption in hospitality and leisure sectors across Asia-Pacific, the Middle East, and Latin America.
Rapid urbanization in developing economies — particularly in Southeast Asia, Africa, and the Gulf region — is driving unprecedented construction of hotels, water parks, community pools, and public bathing facilities. Each new aquatic facility creates sustained, long-term demand for reliable pool sanitization chemicals. SDIC tablets, with their superior shelf life and ease of logistics, are increasingly the preferred disinfection solution for large-scale aquatic facility operators.
The market is undergoing a structural shift from liquid chlorine and powder disinfectants toward solid tablet formats. Tablets offer significant advantages in storage safety, transport efficiency, and dosing accuracy. This shift is accelerating in regions with strict chemical safety regulations, where solid-form disinfectants minimize handling risks and liability for facility operators. SDIC tablets in 20g, 50g, and 200g sizes now dominate commercial pool supply contracts globally.
Next-generation automated chemical dosing systems — integrated with IoT water quality sensors — are creating demand for consistently manufactured, high-purity SDIC tablets compatible with precision feeders. Smart pool management platforms can now monitor free chlorine, pH, ORP, and turbidity in real-time, triggering automated SDIC dosing when levels drop. This technology-driven evolution requires SDIC tablets with tightly controlled dissolution rates and active chlorine consistency — a standard Hebei Liuhe consistently meets.
Governments and health authorities worldwide — from the EU Biocidal Products Regulation (BPR) to the US EPA and WHO Guidelines for Safe Recreational Water Environments — are raising water quality standards for public pools. SDIC 60% tablets meet the active chlorine thresholds and purity specifications required under these frameworks. Compliance-ready SDIC products from certified manufacturers like Hebei Liuhe provide operators with audit-ready documentation and product traceability.
China accounts for over 70% of global SDIC production, with manufacturers in Hebei province — including Hebei Liuhe Chemicals — leading in both volume and quality. Continuous investment in production automation, quality systems (ISO 9001, SGS), and environmental compliance has strengthened China's position as the world's most reliable and cost-competitive source for bulk SDIC pool sanitization tablets. Major distributors in Europe, North America, and Australia increasingly rely on direct factory partnerships.
SDIC tablets serve a diverse range of sanitization environments — each with distinct requirements for dosing, concentration, and water balance management.
Public pools serve thousands of bathers daily, creating high microbial loads requiring continuous chlorination. SDIC tablets used in automatic erosion feeders maintain free chlorine between 1–3 ppm as mandated by public health codes, while the slow-release mechanism minimizes chlorine spikes that can irritate skin and eyes.
Premium hospitality environments demand disinfection solutions that are invisible to guests — no strong chlorine odor, no water cloudiness. SDIC 60% tablets in erosion feeders deliver ultra-consistent chlorine dosing that prevents overshoot, maintaining crystal-clear water with minimal operator intervention across 24-hour pool operations.
High-throughput aquatic parks face extreme sanitization challenges — rapid contamination from large bather populations, varying sun exposure, and complex recirculation systems. SDIC tablets combined with cyanuric acid stabilizer provide a stabilized chlorine system that resists UV degradation, maintaining sanitizer efficacy even in outdoor pools with intense sunlight exposure.
Educational and community swimming facilities often operate on tight budgets with limited technical staff. SDIC tablet systems simplify pool management — pre-measured doses, extended product shelf life, and straightforward handling procedures make them the go-to solution for facility managers without specialized chemical expertise.
For homeowners, SDIC tablets offer a convenient, safe alternative to liquid chlorine. Small-format tablets (20g–50g) can be added directly to skimmer baskets or floating dispensers, providing week-long residual protection with minimal effort. Their stable, non-spill packaging eliminates the hazards of handling liquid bleach.
Hydrotherapy pools in hospitals, rehabilitation centers, and wellness clinics require stringent microbial control for immunocompromised patients. SDIC's rapid bactericidal and virucidal action — proven effective against MRSA, VRE, and norovirus — meets the elevated disinfection standards required in clinical aquatic therapy environments.
Beyond pools, SDIC tablets are widely applied in industrial cooling towers and process water systems to control Legionella and biofilm formation. The tablets' controlled dissolution in circulating cooling water systems provides sustained microbiological control with minimal maintenance intervention.
SDIC finds growing application in aquaculture pond disinfection and agricultural irrigation water treatment — controlling fish pathogens, algal blooms, and waterborne bacteria in intensive fish farming operations and greenhouse irrigation systems, contributing to food safety and production efficiency.
SDIC tablets are a critical component of emergency water treatment kits used by international humanitarian organizations and disaster response agencies. Their compact, stable tablet form enables rapid deployment for drinking water disinfection in flood-affected regions, refugee camps, and emergency field operations where liquid disinfectants cannot be safely transported.
With rich production management experience and mature global sales channels, Hebei Liuhe has developed into a large-scale chemical manufacturer. Our annual production capacities include:
A decade of manufacturing excellence powering global pool water sanitization.
Hebei Liuhe Chemicals Co., Ltd. was founded in 2015. The site is close to National Highway 339, only 65 km from the provincial capital and 10 km from the Ningjin exit of the Qingdao–Yinchuan Expressway, offering convenient transportation and an excellent geographical location.
Over the past decade, Hebei Liuhe has evolved from a focused SDIC producer into a comprehensive chlorinated isocyanurate manufacturer and global supplier, with a product portfolio spanning water treatment, industrial hygiene, fire retardants, and agricultural chemistry. Our strategic location, logistics infrastructure, and world-class production facilities allow us to serve customers across 50+ countries with reliable lead times and competitive pricing.
We operate advanced automatic production lines and precision testing laboratories, realizing automated and standardized production. Product quality is continuously optimized to ensure high stability and reliability.
A look inside Hebei Liuhe's world-class manufacturing campus — where every SDIC tablet for pool water sanitization is produced to the highest international standards.
Our products are widely exported to Europe, America, Asia and many other regions. With high-quality products, reliable supply capability and professional service, we have established long-term cooperative relationships with customers worldwide.
Guided by a commitment to cleaner water and healthier communities worldwide.
At Hebei Liuhe, our mission is to provide reliable, efficient, and sustainable chemical solutions for global water treatment, environmental protection, and industrial applications. We are committed to becoming a trusted international partner by delivering consistent product quality, competitive value, and professional technical support.
Our vision is to contribute to a cleaner, safer, and healthier world through advanced chemistry and responsible manufacturing. We strive to lead the global pool water sanitization market through continuous innovation, technology investment, and unwavering dedication to product quality and customer success.
We actively promote green production and energy-saving technologies. Wastewater, exhaust gas and solid waste are strictly managed in compliance with national environmental regulations. We strive to build a sustainable and responsible chemical enterprise.
Energy-saving technologies and closed-loop manufacturing processes minimize resource consumption and reduce our carbon footprint across all SDIC tablet production lines.
All process wastewater is treated through advanced multi-stage treatment systems before discharge, meeting or exceeding national standards for chemical manufacturing effluent.
Our operations are governed by ISO 9001:2015, SGS verification, and Carbon Footprint certification — providing customers with independently verified assurance of quality and sustainability.
We actively promote green production and energy-saving technologies. Wastewater, exhaust gas and solid waste are strictly managed in compliance with national environmental regulations. Meanwhile, we also actively practice environmental protection, workplace safety and responsible operation through our certified management systems, including ISO 9001:2015, SGS, and Carbon Footprint. We strive to build a sustainable and responsible chemical enterprise.
Discover our full portfolio of pool sanitization chemicals — from SDIC tablets and TCCA to cyanuric acid stabilizers and multifunctional chlorine tablets — all manufactured at Hebei Liuhe's certified facilities.
