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Silicone-based defoamers
- Product Description
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- Commodity name: Silicone-based defoamers
Application:Water and Wastewater Treatment: Silicone defoamers are crucial in aeration basins, equalization tanks, and other wastewater treatment processes to prevent foam buildup that can hinder treatment efficiency.
Chemical Name:Silicone-based defoamers
Shape:Liquid (emulsion, oil-based), Paste, or Powder
Components:
Polydimethylsiloxane (Primary component)
Hydrophobic silica (as a filler)
Surfactants & emulsifiers (in water-based formulations)
Carrier fluids (mineral oil, vegetable oil, or synthetic oils)
Other names:
Silicone antifoam
PDMS defoamer
Siloxane-based antifoaming agent
Organosilicone defoamer
Molecular Formula:
(C₂H₆OSi)ₙ (for PDMS)
Molecular Weight:Varies (typically 1.000–100.000 g/mol, depending on polymerization degree)
CAS Number:
Polydimethylsiloxane (PDMS): [63148-62-9]
Hydrophobic silica (fumed silica): [112945-52-5]
Application:
Water and Wastewater Treatment: Silicone defoamers are crucial in aeration basins, equalization tanks, and other wastewater treatment processes to prevent foam buildup that can hinder treatment efficiency.
Food Processing and Agriculture: They are used in various food processing applications, including fermentation, fruit and vegetable processing, and dairy and beverage manufacturing, to manage foam caused by organic materials, mixing, and chemical reactions.
Pulp and Paper: Silicone-based defoamers are essential for controlling foam in brown stock washing, improving drainage, and reducing carry-over to the paper machine.
Cleaning Products and Processes: Foam can be problematic in cleaning solutions, and silicone defoamers help mitigate this issue in various cleaning applications.
Paint, Inks, and Coatings: Silicone defoamers are used to control foam generated during the mixing and grinding processes in the production of paints, inks, and coatings.
Chemical Manufacturing: They are employed in various chemical manufacturing processes, including distillation, transfer, filtration, and synthesis, to manage foam and ensure efficient operations.
Oil and Gas: Silicone defoamers are used in oil and gas production to control foam in the separation of oil, gas, and water, enhancing separation efficiency and product quality.
Mining and Mineral Processing: They aid in reducing foam and improving mineral recovery in mining and mineral processing operations.
Cosmetics: Silicone defoamers are used in cosmetic formulations to manage foam and improve product texture and appearance.
Construction: They are utilized in concrete production and drilling fluids to control foam and ensure the success of these processes.
Packing:
Available in drums (25 kg, 200 kg), IBC tanks (1000 L), buckets (5 kg, 10 kg), or small bottles (1 L) depending on the formulation.
Storage:
Store in a cool, dry place away from direct sunlight.
Keep containers tightly sealed to prevent contamination.
Avoid freezing (for liquid emulsions).
Shelf life typically 12–24 months if stored properly.
Keywords： Silicone-based defoamers
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