Organic Silicone Defoamer Antifoam Agent
Industrial Grade and Food Grade Water Soluble
Product Overview
Our Organic Silicone Defoamer is available in both industrial and food-grade formulations, designed for effective foam control across various applications.

Key Advantages
- Composed of polysiloxane, modified polysiloxane, silicone resin, white carbon black, dispersing agent and stabilizer
- Maintains excellent bubble elimination and suppression effects at low concentrations
- Outstanding foam suppression performance
- Easily disperses in water
- Excellent compatibility with foaming media
- Prevents microbial growth

Industrial Applications
This product is suitable for microbial fermentation, crude extraction processes, food processing, oilfield exploitation, battery electrolytes, papermaking, printing, dyeing, and numerous other industrial applications.
- Papermaking chemical pulping: high temperature vacuum or pressure defoaming in pulp washing machines
- Textile industry: alkali refining agent treatment processes
- Circuit board cleaning
- Oil mud defoaming in mining operations
- Textile printing and dyeing processing
- Agricultural chemicals manufacturing

Food-Grade Applications
- Removing foam during food processing: yeast fermentation, milk processing, juice processing
- Eliminating foam in food packaging processes, such as canning operations
- Controlling foam in beverage production: beer, soft drinks, and other beverages
- Removing foam in food cooking processes: tofu preparation, lamb cooking
Food-grade defoamers require higher safety and purity standards as they directly contact food. Production and usage strictly adhere to relevant safety standards to ensure food quality and safety.

Product Specifications
| Chemical Composition | Polydimethylsiloxane / Poly dimethyl siloxane emulsion |
| Standard Compliance | GB 30612-2014 |
| Appearance | White emulsion liquid |
| Model | Appearance | PH | Non-volatile substances | Stability | Product usage |
|---|
| SE-660 | White emulsion liquid | 6-8 | 34%±2 | Non layered | 0.1% - 0.3% |
| SE-770 | | 6-8 | 30%±2 | 3000 revolutions per 20 minutes | 0.15% - 0.4% |
| SE-880 | | 6-8 | 20%±1 | 3000 revolutions per 20 minutes | 0.2% - 0.5% |
| SE-990 | | 6-8 | 10%±1 | 3000 revolutions per 20 minutes | |
| SE-1000 | Grey white emulsion liquid | 6-8 | ≥95% | 3000 revolutions per 20 minutes | |
Food-Grade Certification
Packaging & Storage
Packaging: 25kg/drum, 200kg/drum, 1000kg/IBC
Storage Guidelines:
• Store at 10-30°C, avoid direct sunlight
• Do not add acid, alkali, salt or other substances
• Product may separate during long-term storage but remains effective after stirring
• May freeze below 0°C but functionality is restored after stirring
Shelf Life: 6 months

About Lihong Technology
Lihong Technology continues to invest in advanced safety and environmental protection facilities. As a second-level enterprise for production safety standardization, many products have passed food-grade certification. The company maintains strict quality control standards and operates advanced quality management systems to ensure superior product quality.
With over 30 industry experts and three R&D platforms, Lihong Technology drives innovation in polyurethane materials. The company holds 5 invention patents, 22 utility model patents, with more than 10 additional patents pending.
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