Explore our certified solutions engineered for optimal foam suppression, coagulation, and scale inhibition.
Foaming is an inherent problem across primary processing sectors, including industrial wastewater, oil refining, pulp and paper processing, and biochemical operations. In aquatic systems, foam is stabilized by surface-active agents (surfactants) that form dynamic, elastic liquid films (lamellae) around trapped air bubbles. The persistence of these structures presents severe operational bottlenecks, damages equipment, and inhibits oxygen transfer in biological stages.
An effective defoamer liquid functions by executing three critical thermodynamic events: entering, spreading, and destabilizing the surfactant bilayer. Standard chemical bases like organic silicones, mineral oils, and polyethers achieve this through high surface tension disparity, low solubility in the host medium, and low viscosity, enabling rapid transport to the gas-liquid interface. Choosing the right formulation prevents micro-defects in coatings, ensures smooth pump operations, and minimizes process down-times globally.
To successfully deploy a custom OEM defoamer formulation, operators must evaluate the medium's system pH (extremely acidic to alkaline), process temperatures (ambient up to 130°C+), shear rates, and compatibility with downstream processes like RO membranes or biological digestion.
Established in 2011, Smedic Technology Co., Ltd. is a comprehensive environmental protection agent manufacturer, integrating state-of-the-art research, mass production, distribution, and specialized technical engineering.
From our headquarters in Beijing, we operate production bases across China to serve municipal sewage, industrial wastewater, oilfields, and mining processes. Our diverse catalog contains over 80 environmental protection products, yielding a total annual production capacity that exceeds 1 million tons. As a key high-end manufacturer in the domestic environmental chemicals market, our operational daily treatment capacity reaches over 20 million tons across municipal and industrial applications.
Global scale, proven capacity, and industrial presence backed by decade-long expertise.
Smedic operates at the forefront of chemical innovation, holding several of the highest accolades in China's industrial manufacturing system.
We are recognized as a National High-tech Enterprise and a National Specialized, Refined, Unique and Innovative "Little Giant" Enterprise. This highlights our key manufacturing focus and specialized market capacity.
Backed by one academy, three research institutes, and five production bases, our core team includes academicians, experts, and senior engineers working in joint laboratories with Tsinghua, Shandong, and Peking Universities.
We hold over 60 Chinese patents (including 40+ invention patents) and have led the drafting of 10+ national and industry chemical standards for carbon sources, coagulants, and biological agents.





Why procurement teams select Smedic as their long-term OEM/ODM production partner.
We source high-grade polysiloxanes, modified polyethers, and specialized emulsifying compounds directly from established localized industrial clusters. This reduces import dependency and isolates production costs from global market volatility.
Every defoamer liquid batch undergoes precise physical-chemical validation, measuring dynamic surface tension, active solid ratios, emulsion size, and long-term shelf stability. No batch leaves our dock without meeting strict ASTM metrics.
We tailor viscosity profiles, dilute solids content, adjust thermal thresholds, and modify compatibility parameters. This optimizes performance under specific plant conditions, providing you with a customized, stable agent.
From highly acidic mining slurries to municipal treatment facilities, our defoamer liquids are built to perform.
Heavy foaming in aeration basins and biological lagoons hinders oxygen dissolution and compromises output limits. Our silicone and mineral-based agents suppress foam instantly without damaging crucial bio-nitrification bacterial strains.
High temperatures and chemical loading cause severe foaming in black liquor washing, bleaching, and papermaking wet ends. Smedic defoamers maintain high stability to prevent pulp spots, reduce chemical loss, and increase paper uniformity.
Micro-foam formed during manufacturing or high-speed paint application leads to structural issues and poor finish. Our non-silicone and polyether formulations prevent surface defects and maintain coating integrity.
High-shear jet dyeing requires defoamer liquids that resist oil separation, spotting, and thermal degradation at extreme temperatures. Our silicone emulsions are designed to stay stable under these intense conditions.
Foam build-up in gas-liquid separators and drilling muds reduces recovery volume and damages compressor equipment. Smedic specialty defoamers operate continuously under extreme pressures and variable organic loadings.
High-pressure spray cleaning, metal etching, and chemical cleaning cycles require non-foaming solutions. Smedic polyether defoamers provide lasting foam suppression under low and high temperatures.
The defoamer sector is adapting to meet stricter environmental targets and improve process efficiencies.
Traditional mineral oil-based defoamers are being phased out in favor of biodegradable, VOC-compliant compounds. Green policies globally restrict aromatic hydrocarbons, driving the demand for vegetable-oil based alternatives and high-grade organosilicones that carry minimal aquatic toxicity profile.
For industrial water reuse and zero liquid discharge (ZLD) plants, defoamer carryover can foul reverse osmosis (RO) membranes. Next-generation defoamer liquids focus on polyether-modified organosilicones. These offer rapid foam suppression and wash away easily, extending membrane service life.
Advanced factories are adopting real-time foam monitoring systems. These use optical sensors to adjust defoamer dosing dynamically. Smedic works with plant engineers to formulate agents that disperse quickly and integrate smoothly with automatic systems, reducing excess chemical usage.
Smedic works with global partners to deliver comprehensive chemical packages, addressing compliance, efficiency, and environmental targets.
A history of innovation, scale expansion, and commitment to environmental technology.
Smedic Technology Co., Ltd. is established, focusing on industrial wastewater solutions.
Develops a comprehensive municipal wastewater treatment chemical portfolio.
Establishes our dedicated water treatment chemical production base in Guiyang.
Expands bases across Hebei, Shandong, and Guizhou, exceeding 1 million tons in total annual capacity.
Formally recognized as a National Specialized, Refined, Unique and Innovative Small and Medium-sized Enterprise.
Recognized as a National Intellectual Property Advantage Enterprise with over 60 granted patents.
Technical guidance and answers for procurement managers and process engineers.
Browse our extended range of high-efficiency water treatment chemicals and chemical formulations.