Non-silicon defoamers (Solvent type)

Non-silicon defoamer (Solvent type)

KEPERPOL®-712N

The standard defoamer for solvent-based coatings, has strong defoaming ability and effectively inhibits foam generation.

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Product overview

KEPERPOL®-712N is suitable for defoaming in thick coating systems , no benzene solvent.

Physical data

1. Effective ingredient: Non-silicon foaming polymer

2. Content: 20%

3. Solvent: Advanced environmental alkanes

Product features

1.The standard choice of defoamer for a variety of solvent-based coatings, with strong defoamer ability.

2.Effective inhibition of foam, suitable for defoaming in thick coating systems , can avoid pinhole, heat rash and other shortcomings of the film.

3.No benzene solvent, environmentally friendly product.

4.Does not affect the interlayer adhesion.

Application test

We tested and compared the comprehensive performance of KEPERPOL®-712N and B-052N in PU transparent primer and PU matte varnish.

Compare items and methods

1.Compatibility: The defoamer is added to the varnish of each system at a ratio of 0.2%, and tested the transparency of the paint.

2. Shrinkage tendency/Levelling effect: Added 1% defoamer in paint,spraying after dilution.Observe the shrinkage phenomenon of wet film and the leveling effect of dry film.

3.Defoaming ability :Add 0.2% defoaming agent to the paints, and observe the number of foam and the breaking speed after shaking five minutes.

Test result

Test item	Blank	B-052N	KEPERPOL®-712N
Foam inhibition property	△	○+	○+
Bubble breaking ability	△	○	○+
Dry film transparency（0.2%）	○+	○	○
Wet film leveling（0.2%）	◎	◎	◎
Wet film leveling（1%）	◎	◎-	◎-
Dry film transparency（1%）	○+	○-	○-
Shrinkage tendency（1%）	NO	NO	NO

◎ : Excellent, ○ : good, △ : average

The test results show that KEPERPOL®-712N has good defoaming ability and the best miscibility, does not cause shrinkage holes, extremely safe. Please contact us for more information.

Additive amount (Supply form)

For the total amount of formula: 0.05-1%

The best dosage needs to be obtained through testing

Application field

Suitable for solvent-based coatings and inks

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/160 KG ,iron bucket.