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Xiamen Rickman Chemical Technology Co., Ltd.
Free Hotline +86-15359255189
Keywords: Alcohol defoamer
Current Position:Home > Silicone defoamer > Silicone Defoamer RK-747

Antifoam Classification



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  • ADD:No 48, Tianhu Road, Siming District, Xiamen City Fujian China (head office)

    Hengdali Building, Quanan North Road, Quanzhou City, Fujian China( branch office)

Product details /PRODUCT DISPLAY

product name:Silicone Defoamer RK-747

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  • Non-toxic
Online inquiry hotline:+86-15359255189

Application Industry:  Metal Cutting Liquid

Product Name: Antifoam RK-747


RK-747 uses silicone grease system, with special emulsion system. It provides excellent antifoaming performance and balance, which make sure the compatibility of system, diluted stability and excellent stability of shear. It’s suitable for metal cutting liquid. Little addition can achieve ideal foam control effect and reduce the negative effect on the final products due to adding lots of defoamer. It is used in full synthetic cutting liquid ad emulsion type cutting liquid.


Product property:

Particularly suitable for adding in cutting fluid systems

Very low dosage 

Strong alkali resistance, long-lasting antifoaming

Excellent stability of storage and shear 

Main physical and chemical properties:




Milky-white liquid

Viscosity (25°C)

150~400mPa ·s

Solid content

30 ± 1%




Application Process:

Can be directly added or diluted in the foaming system and need to make sure dispersion. The diluted emulsion is recommended to be used up in a short period of time to maintain its optimum performance. If it’s diluted, please use it within four hours.

In general, the dosage is around 1-20ppm for different temperature and stirring, which can achieve the ideal result. The pre- experiments are needed to optimize the dosage. 

According to specific application environment, RK-747 can be used with RK-783 together to achieve the best effect.

Key Applications

Full synthetic or emulsion cutting liquid system

Other circular shear system

Industries with high requirement of diluted stability

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