Explore our primary chemical systems optimized for high-efficiency scale inhibition, coagulation, and organic synthesis.
Established in 2011, Smedic Technology Co., Ltd. is a comprehensive, national-level chemical solution provider specializing in environmental protection agents. We seamlessly integrate research and development (R&D), large-scale production, global sales, and advanced engineering-related technical services.
Our commitment lies in providing tailor-made chemical products, advanced technical formulations, and on-site engineering services. Smedic's production infrastructure covers multiple critical sectors, including municipal sewage treatment, industrial wastewater purification, tap water filtration, mineral processing agents, and specialized oilfield chemicals. With over 80 distinct environmental protection products in active production, our annual production capacity exceeds 1 million tons, establishing us as a dependable global supplier.
Over a decade of chemical manufacturing expertise
Catering to diverse municipal & industrial sectors
High-volume production to fulfill global contracts
Extensive domestic and international logistics network
Understanding the molecular dynamics, applications, and strategic sourcing of solid-state foam control agents.
Foam generation is an inherent challenge in many industrial processes involving agitation, chemical reactions, or surfactant utilization. Liquid defoamers, while common, often face limitations in storage, high-temperature stability, and formulation compatibility, particularly in dry-mix industries. This is where powder defoamers (solid antifoams) provide a superior chemical alternative.
A powder defoamer is formulated by adsorbing active defoaming compounds—predominantly polyether polyols, modified organic silicones (polydimethylsiloxane), or mineral oils—onto a solid inorganic or organic carrier matrix. Standard carrier matrices include sodium sulfate, silica (silicon dioxide), calcium carbonate, or diatomaceous earth. The choice of carrier determines the dispersibility rate and compatibility of the agent with the host matrix.
The global demand for powder defoamers is driven by several key industrial sectors that require dry, stable chemical additives:
Procuring chemical agents from Smedic Technology offers major cost and operational benefits for international buyers:
Bridging academic research and industrial-scale chemical engineering.
Our core technical team consists of academicians, research professors, and senior engineers. We have built an integrated R&D structure featuring one academy, three research institutes, and five production bases. Smedic works with China's leading academic institutions, operating joint R&D laboratories with Shandong University and Beijing University of Technology, and serving as a commercialization partner for Peking University and Tianjin University.
Our proprietary "Inorganic-Organic Covalent Bond Flocculant" and advanced water purification systems have earned the 22nd China Patent Award and the First Prize for Technological Invention from the China Petrochemical Industry Association.
Including 40+ invention and 20+ utility model patents
Delivering high-efficiency environmental agents daily
Total daily water capacity supported by Smedic projects
Key compiler of national wastewater chemical regulations
How our agents perform under harsh, specialized processing conditions worldwide.
During the dry mixing and application of building materials, the introduction of high shear forces generates microscopic bubbles. If left untreated, these bubbles form void spaces during curing, which reduces compressive strength and structural integrity. Smedic's OEM powder defoamers are engineered with high thermal and chemical stability, allowing them to remain inactive during dry storage and activate only upon water introduction. This prevents bubble formation without affecting the hydration kinetics of cement.
In high-COD wastewater treatment systems (such as food processing, pulp & paper, and petrochemical plants), rapid aeration and surfactant loading produce stable, persistent foam. Traditional liquid defoamers can leave oily residues, causing membrane fouling in RO (Reverse Osmosis) units. Our solid polyether and organic silicone defoamers are designed to control foam without causing membrane deposition or biological toxicity in aeration basins.
In mineral processing, selective flotation relies on surfactant collectors to carry valuable minerals to the surface. However, excessive foaming in thickeners and tailing ponds reduces separation efficiency. Smedic's defoamers, developed in partnership with the Chengdu Institute of Mineral Comprehensive Utilization, target bubble surfaces selectively, collapsing unnecessary froth and improving overall mineral recovery rates.
Over a decade of milestones in environmental chemistry leadership.
Smedic was founded in Beijing, establishing R&D for advanced municipal water treatment agents.
Developed a comprehensive product portfolio for municipal wastewater treatment, expanding national market share.
Established our Guiyang manufacturing base, scaling production capacity to meet growing southern regional demand.
Completed major production expansions in Hebei, Shandong, and Guizhou, pushing capacity past 1 million tons annually.
Recognized as a National "Specialized, Refined, Unique and Innovative Small and Medium-sized Enterprise" (Little Giant).
Established a joint venture with the Chengdu Institute of Mineral Comprehensive Utilization to produce specialized mineral processing reagents.
Recognized globally for quality assurance and compliance with ISO regulations.
Answers to technical and commercial questions about industrial powder defoamers.
Liquid defoamers consist of active compounds emulsified in water or oil. While effective, they can separate over time, have limited shelf life in freezing or hot conditions, and are difficult to formulate directly into dry-mix powders (such as cement or dry detergents). Powder defoamers utilize solid carriers to adsorb active components, preventing premature reaction and providing excellent stability during dry storage. They activate only upon contact with water, making them the preferred choice for dry-mix applications.
The choice of carrier depends on the application's pH, temperature, and dispersion requirements. Smedic uses mineral-based carriers like modified silica, diatomaceous earth, calcium carbonate, and sodium sulfate. For construction applications requiring high integration, carbonate or silica-based carriers are selected to ensure they bind with the concrete matrix without compromising structural strength. For water treatment applications, highly soluble sodium sulfate carriers are chosen to prevent solid residue sedimentation.
Yes. Our R&D center is equipped to formulate modified silicone-ether or polyether defoamers that resist thermal degradation in temperatures up to 130°C and maintain stable foam control across pH ranges from 1 to 14. These are ideal for demanding applications like textile dyeing, pulp black liquor treatment, and industrial alkaline cleaning.
Dosing varies by application, but generally ranges from 0.05% to 0.3% of the total dry formulation weight (e.g., in mortar or detergents). In wastewater applications, continuous dosing of 10 to 100 ppm is common. We recommend running site-specific pilot tests to determine the optimum dosage for cost-efficient performance.
As a national-grade "Little Giant" enterprise, Smedic operates under strict ISO 9001 and ISO 14001 frameworks. Every batch undergoes a series of tests: active content verification, dispersibility timing, bulk density, moisture content analysis, and foam suppression performance evaluation. Retained samples are kept for three years to ensure full batch traceability.
For standard formulas, packaging and dispatch take 7 to 10 days. Custom OEM formulations (including unique active content levels or custom-branded packaging) take 14 to 21 days from formula approval to shipment. Our logistics networks in Shandong, Shanxi, and Guizhou provide fast access to major Chinese shipping ports, ensuring efficient global delivery.
Further industrial agents for high-performance flocculation, heavy metal removal, and specialized defoaming.