Name: Defoamer Concentrate DC-700
Brand: Coatingsink
SKU: defoamer-concentrate-dc700
Availability: InStock

Question 1

How should DC-700 concentrate be prepared before incorporation into a coating?

Accepted Answer

Dilute DC-700 1:5 by weight with odorless mineral spirits (flash point >60°C recommended) under slow agitation until a uniform milky dispersion is obtained. Allow the diluted product to equilibrate for 15–30 minutes before use. The diluted product should be consumed within 48 hours; do not store the pre-diluted form long-term as phase separation may occur.

Question 2

What type of foam does DC-700 target — microfoam or macrofoam?

Accepted Answer

DC-700 is optimized for macrodefoaming: it rapidly collapses large surface bubbles generated during high-speed mixing, pump transfer, and spray application of industrial coatings. For systems where subsurface microfoam is the primary issue, consider combining DC-700 at a reduced dose with a polymeric microdefoamer to address both foam types simultaneously.

Question 3

Is DC-700 compatible with solvent-borne alkyd and epoxy primer systems?

Accepted Answer

Yes. DC-700 is fully compatible with solvent-borne alkyd, epoxy, and polyurethane primer and topcoat systems. Its mineral spirits carrier makes it directly miscible with most solventborne vehicles. Conduct a small-scale compatibility test (3% addition to the finished paint, draw-down on glass) before full production use, particularly with high-solid or two-component epoxy systems where viscosity profiles differ significantly.

Dilution Ratio	1:5 with mineral spirits
Density (25°C)	0.98 g/ml
Viscosity (25°C)	600–900 mPa·s
Recommended Dosage	0.2–0.8% (diluted product)
Active Silicone Content	30%

Defoamer Concentrate DC-700

Specifications

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