Oil-based coating defoamer
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Performance characteristics
The defoamer is a compound formed by the combination of dimethyl silicone oil and defoaming active agent through physical and chemical methods, and is the most important basic raw material for processing oily defoaming agent and water-based defoaming agent.
Technical indicatorsAppearance
Pale white semitransparent oil (partial white deposit on the bottom is allowed)
Viscosity (25 ℃,cp)
100~1000
Specific gravity (25 ℃)
0.98-1
Flash point (open cup, ℃)
> 270
Use
1, oily environment such as ink, paint, pu slurry, lubricating oil, oil processing and other fields of defoaming agent.
2, suitable emulsifier compound emulsification can be processed into water emulsion type defoamer, widely used in cleaning processing, printing and dyeing, sewage treatment, papermaking and other industries defoaming.
3, other unfinished and to be developed defoaming areas.
Usage and dosage
After compounding it with a solvent or an oil-soluble surfactant, the addition amount for defoaming is 10-1000ppm of the foaming system based on 203 silicone oil, and the specific amount is self-adjusted by the user within the above range depending on the specific use.
Related cases: feedback from a company in Xuzhou, adding 1~2 ‰ to oily paint, with fast defoaming speed and long defoaming time, adding 1~2 ‰, fast defoaming speed and good defoaming effect.
Precautions
When using defoamer silicone oil, if sediment is found at the bottom, it should be stirred evenly during processing and reuse, without affecting the use effect. The reason for this phenomenon is due to the long storage period.
Packaging, storage and transportation
Packaging: 50kg plastic drum or 200kg drum packaging.
Storage: should be sealed in a cool and dry place, avoid contact with acid and alkali.
Transportation: This is stored and transported as non-dangerous goods.
Label List
Oil-based coating defoamer
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