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An in-depth review of molecular structures, chemical actions, and industrial applications
Calcium Formate (CAS No. 544-17-2, Chemical Formula: Ca(HCOO)2) is an organic acid salt that has gained crucial significance across modern chemistry, construction, and agricultural sectors. Structurally, it consists of two formate anions bound to a divalent calcium cation, making it highly bio-available and stable under standard atmospheric conditions. As an industrial additive, its value lies in its dual action capability: acting as an accelerator in cement hydration and serving as a safe, highly digestible acidifier in animal nutrition.
In chemical procurement, understanding the distinction between Industrial and Feed Grade is critical. While industrial processes demand precise grain distribution and particle size optimization to secure dry-mix compatibility, animal husbandry demands strict regulation of heavy metals, fluorine, and biological contaminants. Sourcing from a vertically integrated manufacturer ensures consistent control over these parameters.
Calcium Formate presents as a white, crystalline, free-flowing powder with high thermal stability, resisting decomposition up to temperatures beyond 300°C. In dry mortar formulations, it serves as an accelerator that decreases the setting time while enhancing the compressive strength at early stages. In agricultural feeds, it decomposes within the digestive tract, releasing formic acid which effectively drops gastric pH and builds a biocidal barrier against pathogenic strains.
| Property / Parameter | Industrial Grade Calcium Formate | Feed Grade Calcium Formate | |||
|---|---|---|---|---|---|
| Appearance | White crystalline powder | White crystalline powder / granules | Active Ca(HCOO)2 content | ≥ 98.0% | ≥ 98.0% |
| Calcium Content (Ca) | ≥ 30.0% | ≥ 30.5% | |||
| Water Insoluble Matter | ≤ 0.30% | ≤ 0.15% | |||
| pH (10% Solution) | 6.0 - 7.5 | 6.5 - 7.5 | |||
| Heavy Metals (as Pb) | ≤ 0.002% | ≤ 0.001% (max 10 ppm) | |||
| Arsenic (As) | ≤ 0.0005% | ≤ 0.0002% (max 2 ppm) |
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In modern construction chemistry, Calcium Formate serves as a highly active chlorine-free accelerator for dry mortars and concrete. When introduced to Portland cement mixtures, it alters the hydration chemistry during the initial phase. Calcium Formate speeds up the dissolution rate of tricalcium silicate (C3S) and triggers the rapid nucleation of calcium silicate hydrate (C-S-H) gels. Under low-temperature environments (below 5°C), hydration rates typically drop dramatically, causing delays in construction timetables. Adding Calcium Formate (typically 0.5% to 1.5% by weight of cement) maintains quick hydration, allowing early formwork stripping, minimizing structural shrinkage, and improving overall mechanical strength without introducing corrosive chlorides that could deteriorate steel reinforcements.
The transition of early-weaned piglets and young livestock to solid feeds is critical due to their underdeveloped digestive tracts. Insufficient hydrochloric acid (HCl) production causes higher stomach pH levels, which in turn limits the conversion of pepsinogen to active pepsin. Feed-grade Calcium Formate solves this issue: upon ingestion, it decomposes and releases active formic acid, lowering stomach pH to an optimal range of 3.5 to 4.0. This low-pH environment serves as a natural bactericidal barrier, preventing the multiplication of pathogens such as E. coli and Salmonella. Additionally, it offers a highly bio-available calcium content (approx. 30.5%) that is easily absorbed in the intestinal tract without raising dietary buffering capacity.
In chrome tanning processes, the uniform penetration of chrome salts into hides requires controlled acidity. Calcium Formate functions as a masking agent. Formate anions coordinate with chromium ions to form stable, moderately soluble complexes. This coordination shields the chrome complexes from premature hydrolysis and precipitation during the neutralization and basification stages. The results are highly consistent chrome penetration, avoidance of surface grain drawings, and improved quality of leather products.
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Established in 2006, Shandong Pulisi Chemical Co., Ltd. (Stock Code: 307785) is a premier chemical raw material manufacturer focusing on petrochemicals, mining chemicals, feed chemicals, and pharmaceutical chemicals. Through steady innovation and dedication to quality control, the company has entered long-term partnerships with Fortune Global 500 corporations, including China National Petroleum Corporation (CNPC) and Saint-Gobain. Operating from our central manufacturing hubs, we deliver tailored supply solutions that help client operations secure structural advantages in local markets.
Our company is certified under ISO9001:2015 for Quality Management Systems and German BV (Bureau Veritas). Shandong Pulisi Chemical maintains direct control over local warehousing networks at Qingdao Port, Tianjin Port, and Xinjiang border dry ports (Alashankou, Khorgos), enabling rapid responses and flexible logistics configurations for clients worldwide.
Our manufacturing processes are verified to align with global environmental and safety frameworks
Structural advantages in vertical production, logistics hubs, and localized support
Active logistics routes extending to over 100 countries and regions globally, supported by direct custom clearance setups at major transport corridors.
Over 20 years of chemical manufacturing and international shipping expertise, maintaining stable supply lines for over 1,000 global partners.
Compliant with ISO 9001, German BV, FAMI-QS, Kosher, Halal, K-REACH, and regular SGS inspections to guarantee chemical integrity.
Optimized production flow and direct raw feedstock pipeline links enable us to offer pricing models tailored to customization requirements.
Dedicated warehouse facilities maintained adjacent to Qingdao Port, Tianjin Port, and western dry ports reduce shipment dispatch times.
Multilingual commercial representatives and logistics managers support clients throughout order placement, transport tracking, and local integration.
Connecting with partners directly to build stable, transparent supply chains
Since 2006, our technical team has participated in chemical trade expos across Germany, the Middle East, Southeast Asia, and the Americas. Building direct relationships allows us to understand localized operational conditions, ensuring our customized Formate and Salt compounds resolve customer-specific manufacturing issues.
Our manufacturing performance meets the requirements of prominent brands worldwide
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