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SILFOAM® SD 8264
SILFOAM® SD 8264 is a 100 %, emulsifyable, high-performance silicone antifoam concentrate especially developed for the demands of the dispersion- and agrochemical industry.
特性
Basically, SILFOAM® SD 8264 is recommended for foaming systems where a high compatibility with the antifoam agent must be ensured.
SILFOAM® SD 8264 can be used in applications which usually pose problems for silicones, e. g., paints, adhesives, water miscible cooling lubricants and transparent plant protective formulations.
In addition, SILFOAM® SD 8264 exhibits excellent degassing properties in high solids content systems, e. g. concretes or mortars.
数据表
Application
SILFOAM® SD 8264 shows a relatively low viscosity, excellent dispersibility, foam control performance and a stable efficiency over a long period in formulations rich in surfactants.
Since it also possesses resistance to alkalis and acids, it may further be used in a wide range of applications in which pH is critical.
By virtue of its structure SILFOAM® SD 8264 provides much better efficiency and persistency in pesticide formulations and surfactant concentrates and can therefore be used in smaller amounts than conventional silicone antifoam agents.
Apart from agricultural formulations,SILFOAM® SD 8264 is useful in surfactant-containing systems whose efficiency is reduced by action of shearing and dispersion forces.
SILFOAM® SD 8264 offers excellent stability and processability at temperatures far below 0°C (32 °F).
Processing
SILFOAM® SD 8264 is dispersible in water and can be easily incorporated into surfactant concentrates.
The contained surfactants can help to stabilize the antifoam agent within the formulation.
SILFOAM® SD 8264 can be dosed undiluted and is easily miscible with the foaming system by gentle to moderate stirring.
The typical dosage for dispersion applications is in the range of 0.05% and 0.3% referred to the final foaming formulation.
For the use in agrochemical formulations we recommend starting with amounts between 5 and 50 ppm.
The exact dosage must be determined in preliminary tests.
If the product stands about for a longer time or if any separation appears, we recommend mixing the product up shortly.
As a clue we propose a stirring time of 10 - 30 minutes at a rotational speed of 200 rpm.
储存
The 'Best use before end' date of each batch is shown on the product label. Storage beyond the date specified on the label does not necessarily mean that the product is no longer usable.
In this case however, the properties required for the intended use must be checked for quality assurance reasons.
销售和支持
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