CAS:134180-76-0
DESCRIPTION
H-806 Spray Adjuvant is a superspreading surfactant based on a trisiloxane alkoxylate. H-806spray adjuvant lowers the surface tension of spray solutions, beyond that which is achievable with conventional adjuvants.
Typically, H-806spray adjuvant (@ 0.1 wt %) gives an aqueous surface tension of ~22 mN/m. On the other hand, an octylphenol ethoxylate containing 10 EO units (a commonly used nonionic surfactant) at 1.0 wt % gives a surface tension of only 30 mN/m.
The bottom line? H-806spray adjuvant helps lower the aqueous surface tension more effectively than conven tional spray adjuvants
Because H-806 spray adjuvant is a superspreading surfactant, the contact angle of spray solutions on leaf surfaces is reduced, leading to an increase in spray coverage (Figure 1).
Key Features and Benefits
Superspreader
Helps improve rainfastness
Promotes rapid uptake of agrochemicals
Promotes spray volume reduction
Low pour point for low temperature applications
Low foaming
Nonionic
TYPICAL PROPERTIES
Surface Tension, mN/m (0.1 wt%) (a) | 21.5 |
Viscosity (cps) (b) | 35 |
Specific Gravity (25/25°C) | 1.002 |
Cloud Point (0.1 wt %), °C | <10 |
Flashpoint, PMCC °C (°F) | 143 |
(a) Surface Tension by Wilhelmy Plate Method.
(b) Pensky-Martens Closed Cup, ASTM Method D93.
USES AND APPLICATION
H-806spray adjuvant has been used successfully in spray applications globally. Typical applications include
(a) Note: use rates are dependent on crop, agrochemical and spray volume requirements.
In Agrochemical Formulations
H-806 spray adjuvant may be used as a component in agrochemical formulations. Although organosilicone surfactants are subject to hydrolysis under acidic or basic conditions, optimum performance is achieved by buffering the formulation to pH 6.5 -7.5. Additionally, it is recommended that Silwet 806 spray adjuvant be used at a concentration of at least 5%, based on the total formulation.
As A Tank Mix Adjuvant
H-806 spray adjuvant, when used as a tank-side adjuvant may be used to improve spray coverage, improve uptake or to allow for a reduction in spray volume. H-806spray adjuvant is most effective as a tank-side adjuvant when spray mixtures are 1) within a pH range of 5-8, and 2) used within 24 hours of preparation.
High spray volumes, coupled with high surfactant rates, are not required to achieve sufficient coverage with H-806spray adjuvant. In fact, H-806spray adjuvant may provide adequate coverage in many low volume spray applications at rates between 0.025% and 0.1%.
SAFETY
Before handling, read the Material Safety Data Sheet and container label for safe use, physical and health hazard information.
STORAGE AND SHELF LIFE
After sealing packaging products stored in a cool, dry place , H-806has a shelf life of 36 months from date of manufacture.
PACKAGING
H-806is available in 200L drum and 1000L IBC or others.
