Non-silicon defoamers (Water-based type)
KEPERPOL®-719
Has excellent ability to inhibit and eliminate foam in water-based systems.It is especially suitable for defoaming in primer of multi-powder system.
Product overview
KEPERPOL®-719 is a non-ionic polymer defoamer for water-based systems,It shows excellent defoaming ability in high viscosity and multi-powder systems.
Physical data
1. Effective ingredient: Special organic compound
2. Content: 10%
3. Solvent: Water
Product features
1.Non-ionic polymer defoamer for water-based systems,It shows excellent defoaming ability in high viscosity and multi-powder systems.
2.Cost-effective, low cost can solve complex defoaming problems.
Application test
We tested the comprehensive performance of KEPERPOL®-719 and commercially available similar product in the formulation of waterborne alkyd anticorrosive coatings, architectural coatings and waterborne industrial coatings.
Compare items and methods
1.Viscosity: Add 0.2% defoamer to the formula to test its effect on the viscosity of the system.2. Wet film levelling: test the spray plate after thinning, and observe the surface levelling after spraying.
2. Shrinkage tendency: Add 0.5% defoamer in the system spray or brush to observe the shrinkage of the plate surface.
3.Defoaming ability of brush coating: After adding 0.2% defoaming agent, test the defoaming performance of paint brush coating construction.
4.Gloss: Test whether the defoamer has an adverse effect on the gloss of the system.
Test result
Items |
Similar product |
KEPERPOL®-719 |
Viscosity |
Normal, not thickened |
Normal, not thickened |
Shrinkage tendency |
○ |
○ |
Defoaming ability of brush coating |
○ |
○ |
Gloss |
0.7° |
0.7° |
Excellent, ○ : good, △ : average
The test results show that the overall performance of the KEPERPOL®-719 is very close to similar product.Please contact us for more information.

Additive amount (Supply form)
For the total amount of formula: 0.1-2%
The best dosage needs to be obtained through testing
Application field
Suitable for used in water-based coating and ink systems.
Shelf life and packaging
1. The shelf life is two years, starting from the date of production.When stored, the container should be sealed well, and the temperature should be between 0-40℃
2. Packaging: 25KG/200 KG ,plastic bucket