Shandong Panda Chemical-Calcium chloride,Soda ash

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Shandong Panda Chemical Co., Ltd.

Calcium Chloride Calcium chloride is mainly white and grayish white, with flake, spherical, powder and other shapes. It is mainly used for road snow melting agent, desiccant, antifreeze, water treatment, etc.
Soda Ash Soda ash is also known as Sodium carbonate. Soda ash is divided into Soda ash light, Soda ash dense and food grade Soda ash. It is mainly used in the production of glass products, textile printing and dyeing agents, detergents, water treatment, etc.
Sodium Bicarbonate Sodium bicarbonate is also known as Baking soda. It is divided into industrial grade, feed grade and food grade. It is mainly used in detergent, chimney desulfurizer, fire extinguishing agent, food additive, etc.
Magnesium Chloride Magnesium chloride is mainly white and yellowish brown. It is processed from coastal brine and has the shape of flakes, granules and powder, mainly for fire-retardant products, road snow melting agents, food additives, etc.
Snow Melting Agent Snow melting agents include sodium chloride (salt balls and salt pellets), calcium chloride, magnesium chloride, and environmentally friendly mixed snow melting agents, which are mainly tailored to customers according to their use environment (temperature and scene).

ABOUT PANDA

Shandong Panda Chemical Co., Ltd.

Shandong Panda Chemical Co., Ltd. is an enterprise specializing in the development and production of salt chemical products. Relying on the resource advantages of Weifang, the company produces and develops marine salt chemical products. The company is willing to put customers first with high-quality and reliable product quality, and seek survival and development together with customers for a better future.

News

Advantages and Disadvantages of Calcium Chloride, Magnesium Chloride and Industrial Salt as Deicing Agents

The main component of industrial salt is sodium chloride (NaCl). Calcium chloride (\(CaCl_2\)) and magnesium chloride (\(MgCl_2\)) are both chloride-based deicing agents, commonly used inorganic deicers for road snow and ice removal. 1. Sodium Chloride (Industrial Salt) ✅ Advantages Lowest price with sufficient supply. Simple to mine, its procurement cost is far lower than calcium chloride and magnesium chloride, suitable for bulk spreading on main trunk roads. Easy storage, stable chemical property, not prone to deliquescence and caking (compared with anhydrous calcium chloride); simple spreading operation. Mature deicing principle, stable snow melting performance around 0℃. ❌ Disadvantages Limited freezing point depression capacity: minimum effective working temperature around -6℃, nearly ineffective below this temperature, not applicable in severely cold regions. Strongest corrosivity: severely corrodes reinforced concrete, asphalt pavement, bridges and metal components of vehicles, and damages road base courses. Severe environmental hazards: salt infiltrates soil and causes soil salinization, harms roadside vegetation; runs off to contaminate surface water and groundwater, highly toxic to aquatic organisms. Moderately slow snow melting rate; obvious heat absorption during dissolution at low temperature, likely to cause re-frosting locally. 2. Calcium Chloride (\(CaCl_2\), commonly dihydrate calcium chloride) ✅ Advantages Excellent low-temperature performance. Minimum effective working temperature reaches -20℃ ~ -25℃, applicable for frigid northern areas. Releases massive heat during dissolution. Heat generation accelerates snow melting, enables fast melting and breaks compacted hard ice. Strong hygroscopicity. The brine formed after snow melting is resistant to re-freezing with better lasting effect than sodium chloride. ❌ Disadvantages Higher procurement cost than industrial salt. Extremely hygroscopic. Requires sealed and moisture-proof storage; prone to deliquescing into slurry and caking if stockpiled outdoors. Still a chloride salt with corrosivity (corrosion level: lower than sodium chloride, slightly higher than magnesium chloride). Long-term use damages roads and steel reinforcements. High concentration of calcium ions deteriorates soil structure and also harms vegetation. 3. Magnesium Chloride (\(MgCl_2\), mostly hexahydrate magnesium chloride) ✅ Advantages Minimum effective working temperature of -15℃ ~ -20℃. Low-temperature performance outperforms sodium chloride and is slightly inferior to calcium chloride. Lowest corrosivity among the three, causes the least damage to pavement, vehicles and bridge metal structures. Moderate snow melting speed, low splashing and dust generation. Magnesium ions impose relatively less impact on soil and lower damage to plants compared with calcium chloride and sodium chloride. Good hygroscopicity; the resulting brine after melting has decent resistance to re-freezing. ❌ Disadvantages Pricier than industrial salt; supply less stable than calcium chloride in some regions. Strong deliquescence. Moisture-proof storage is mandatory; easy to deliquesce and cake once packages are broken. Still contains chloride ions. Corrosion cannot be fully eliminated, only mitigated. Excessive application still causes soil salt damage. Less heat released during dissolution than calcium chloride, lower efficiency against thick hard ice. Brief Summary (Directly usable for proposals / quotation documents) Industrial Salt (NaCl): Low cost, poor low-temperature resistance and highest corrosion. Suitable for ordinary roads where temperature stays above -6℃. Calcium Chloride (\(CaCl_2\)): Outstanding low-temperature performance and fast ice melting with heat release; medium cost and medium corrosion. Ideal for severely cold areas and thick hard ice. Magnesium Chloride (\(MgCl_2\)): Lowest corrosivity and good low-temperature performance. Suitable for bridge sections and roads adjacent to green belts with higher vegetation protection requirements. Comparison Table (Copyable to Excel)

2026/10

What are the differences among the three processes for producing soda ash?

The three production processes for soda ash—the natural soda process (trona‑based), the ammonia‑soda process (Solvay process), and the combined soda process (Hou's process)—differ fundamentally in raw materials, cost, energy consumption, and environmental impact. Natural soda process: the born "top student". It directly mines natural trona ore and has the shortest production flow, which gives it the lowest cost, the lowest energy consumption, and the best environmental performance. However, its development depends entirely on the availability of limited natural trona reserves. Ammonia‑soda process vs. combined soda process: the "trade‑offs" on the chemical synthesis path. The ammonia‑soda process is the "traditionalist" with a long history and mature technology, but it suffers from three fatal drawbacks—high pollution (discharging large amounts of solid waste and liquid effluent), high energy consumption, and low raw‑material utilisation (the sodium ion utilisation rate is less than 30%). The combined soda process, invented by Chinese scientist Hou Debang, is the "reformer". It combines soda production with ammonia production, successfully raising the salt utilisation rate to over 96% and significantly reducing pollution. The trade‑off is that it requires a large associated synthetic‑ammonia plant, leading to a huge one‑time capital investment, and the sale of its by‑product ammonium chloride is subject to agricultural market fluctuations. Globally, the share of these three methods varies with available resources. The United States, which is rich in natural trona, relies almost entirely on the natural soda process. In China, where natural trona resources are limited, the combined soda process (about 49%) and the ammonia‑soda process (about 45%) dominate, while the natural soda process accounts for a relatively small share (about 6%). In summary, the choice of which process to adopt is essentially a trade‑off among resources, cost, environmental protection, and investment. The natural soda process has clear advantages but depends on resources; among the synthetic routes, the combined soda process is a more advanced and sustainable choice than the ammonia‑soda process.

2026/08

Sodium Bicarbonate (Baking Soda) Dosage in Animal Husbandry

Feed-grade sodium bicarbonate (baking soda) is a common additive in livestock farming. Its main functions include: regulating acid-base balance, alleviating heat stress, protecting the gastrointestinal tract, preventing ruminal acidosis in ruminants, and improving production performance. Below are the standard dosages, usage methods, and precautions for various livestock and poultry—practical, concise, and ready for direct application. I. General Application Guidelines Raw material: Use only feed-grade sodium bicarbonate; industrial grade is prohibited. Administration: Preferred method is mixing into feed. During stress periods, it can be given in drinking water, but must be thoroughly mixed. Compatibility: Do not mix with vitamin C, acidic drugs, or organic acids to avoid inactivation. Sodium balance: After adding sodium bicarbonate, reduce the salt (NaCl) content in the feed to prevent sodium excess and toxicity. Course duration: Typically use continuously for 10–15 days, then intermittently; do not add continuously for long periods without breaks. II. Precise Dosage and Usage by Species 1. Poultry (chickens, ducks, geese) Effects: Prevents heat stress, improves eggshell quality, reduces cracked eggs, increases feed intake. Routine in feed: 0.2%–0.4% of daily ration. Summer high temperature: Increase to 0.4%–0.5%. Emergency in drinking water: 150–200 g per ton of water, for 3–5 days. 2. Pigs Effects: Relieves heat stress, improves digestion, prevents constipation in sows, reduces diarrhea in piglets. Piglets: 0.2%–0.25% in feed. Growing-finishing pigs and sows: Routine 0.2%–0.3%; in summer, maximum not exceeding 0.5%. Emergency in drinking water: 200 g per ton of water, for 5–7 days. 3. Ruminants (cattle and sheep) – core application Effects: Buffers rumen acidity, prevents acidosis, improves forage digestibility, increases milk yield and weight gain. Dairy cows: 3.5%–3.8% in concentrate mix; 300–340 g/head/day for adult cows; for acidosis emergency: 0.5–1 kg per head, drenched with warm water as a single dose. Beef cattle: 1%–1.5% in concentrate mix; 80–150 g/head/day. Sheep: 1% in daily ration for adult sheep; 0.5% for lambs. 4. Special species (e.g., rabbits) Add 0.2%–0.3% in daily ration to regulate digestion and prevent bloat and feed impaction. III. Quick-Use Protocols for Common Scenarios Summer heat stress: Add the upper dosage limit to feed for the whole herd/flock, or add to drinking water, for 3–7 days. Digestive upset: Add routine dosage in feed for 5–10 days to neutralize gastric acid and restore gastrointestinal health. Prevention and control of ruminal acidosis: For animals on high-concentrate diets, add daily as a routine; for acute cases, drench with a high-dose warm water solution as an emergency measure. IV. Contraindications and Critical Precautions Do not exceed the recommended dosage – overdosing can cause diarrhea, alkalosis, kidney damage, and decreased performance. Prepare fresh for each use; do not use raw material that has caked or become damp. For young or weak animals, use the lower end of the dosage range; for high-producing or stressed animals, the upper end may be adjusted moderately. The above is for reference only. Always follow the guidance of a local veterinarian or animal health professional.

2026/07

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