
Shin-Etsu KM-72GS - Self-Emuisfing Antifoam for Food Processing
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KM-72GS is a food-grade silicone defoaming emulsion. It appears as a milky white liquid with an active ingredient content of 38%. Using water as the diluent, its specific gravity at 25°C is 1.000. It is specifically designed for suppressing and eliminating foam in food and beverage processing, offering rapid onset and long-lasting stability. This product's formulation meets food contact safety standards, ensuring no additional risks associated with its use in food processing.
products parameters
Composition: | Silicone |
Appearance: | Milky White Liquid |
Active: | 38% |
Diluent: | Water |
Specific Gravity @ 25°C: | 1.000 |
Packaging: | 1kg |
key features
Medium Viscosity - KM-72GS exhibits medium viscosity at 25°C and an active ingredient content of 38%. This property allows for excellent dispersion in the system, allowing it to quickly spread across the liquid surface and penetrate the foam film, accelerating foam breakdown. Under the same conditions, KM-72GS reduces foam volume by over 90% within 30 seconds, significantly outperforming low-viscosity or high-viscosity silicone oil systems.
Food Safety - This product is food-grade and meets food contact standards, suitable for beverage, fermentation, and food processing applications. Its specific gravity of 1.000 at 25°C demonstrates high compatibility with water and prevents the generation of impurities or precipitation. Long-term storage testing has shown that emulsion stability retention exceeds 95% over a six-month shelf life, ensuring its safety and reliability in the food industry.
Excellent Hydrophobicity - KM-72GS exhibits significant hydrophobicity, with a water contact angle exceeding 95°. This property effectively disrupts the stable structure of the foam film, accelerating foam dissolution while reducing the formation of new foam.
Heat and Chemical Resistance - This defoamer maintains stable performance in high temperatures and diverse chemical environments. After two hours of continuous operation at 90°C, its defoaming efficiency remained above 85%. Furthermore, in tests with acid and alkaline solutions (pH 3-10), the emulsion stability showed less than 5% change.
Highly Efficient Defoaming - KM-72GS exhibits excellent defoaming performance even at low addition levels. Experiments have shown that even at a 0.05% addition level, it achieves rapid defoaming and maintains a stable, foam-free system within 30 minutes. Compared to traditional organic defoamers, its defoaming efficiency is approximately 20%-30% higher, significantly reducing foam interference during production and improving equipment efficiency.
Food Processing - The KM-72GS is primarily used in the food processing industry, including beverage production, fermentation, dairy processing, and syrup concentration. Excessive foaming in these processes can affect tank filling efficiency, reduce heat transfer, and increase cleaning difficulties. The KM-72GS can quickly eliminate and suppress foam. For example, adding 0.03%-0.05% to a fermentation tank can reduce foam levels by over 80% while maintaining fermentation broth stability. Its food-grade safety, verified by multiple standards, makes it suitable for direct food contact applications, improving both processing efficiency and the appearance and quality of the final product.