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Silicone Agricultural Adjuvant RJ-7033

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Chemical name: Polyether modified silicone fluid 

Equivalent brand: Silwet 408(Momentive)

More than 95% of our clients are quite satisified by using RJ-7033 to replace Silwet 408

Molecular formula: C10H28O3Si3(C2H4O)n

RJ-7033 is trisiloxane modified silicone surfactant. It is a generally used product, with it's super spreadability and penetrability, can be used as pesticide additive in agro industry, and also coating and cleaning industry.

Technical Index

AppearanceColourless to amber clear liquid
Surface tension(0.1%)21.5mN/m MAX
Viscosity(mm2/s ,@25°C)20~45 
Cloud point(1% in water solution)10°C MAX
DissolutionDissolve in water
Ion typeNonionic
Effective content:100%
CAS NO.:67674-67-3


RJ-7033 can be used as a component of 0.5~8% in agrochemical formulations. Proposing of formulations PH value is 6~8. Users should adjust the usage of RJ-7033 according to different varieties and condition, in order to achieve the most cost-effective results. Prior to the use, compatibility testing and pilot ladder testing should be done.

The tank-mix: 

As a tank mix additives, RJ-7033 can improve spray coverage, promote absorption, and reduce the amount of spray. If the spray mixture PH is 5-8, and used within 24 hours after preparation, RJ-7033 may play the best results. 

Usually we add 0.025% -0.1% RJ-7033 in the low spray volume to achieve sufficient coverage. the typical usage is as follows: 

Usage of silicone surfactant RJ-7033Volume
Plant Growth Regulator0.025-0.05%
Fertilizers and trace elements0.015-0.1%


RJ-7033 is available in 200kg plastic drums, 1000kg IBC drums or other packing on request.


Transport as non-hazardous chemicals. Store in original container only. 

Keep container tightly closed and store in cool, well ventilated place.

Shelf life

Shelf life: 1 years.

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