High‑Performance Defoamer for Coatings & Printing Inks,

1. Product introduction

WF-AR19 is a compound polyether modified silicone solution defoamer. It is prepared by polysiloxane, polyether modified silicone solvent and other active materials, which is especially suitable for coating, printing ink and varnish aqueous pigment concentrate slurry. With good stability, it can prevent froth during grinding process.

2. Product features

• Excellent defoaming effect

• It has persistent ability to eliminate foam and inhibit foam.

• Low dosage.

3. Technical index

Appearance Colorless to translucent liquid Specific gravity at 25°C 0.97±0.02 Nonvolatile (105℃, 1h) ＞60% Viscosity at 25°, mPa. s 50~120 Diluents Dipropylene glycol monomethyl ether * Above data based on internal test data for reference only

4. Product application

Suitable for coating industry, printing ink, varnish, and other industries, especially for polyurethane dispersion and polyurethane/acrylic composite dispersion of waterborne coating system and pigment concentrate. This defoamer must be added under high shear forces to ensure good dispersion. Otherwise, it may cause defects in the system.

5. Method of use

WF-AR19 must be added under high shear forces to ensure good dispersion. Otherwise, it may cause defects in the system. It is recommended to add 0.1~1% of the total formula. The specific amount of addition depends on site conditions and field test results

6. Package and storage

Stored in a cool, ventilated and dry place at normal temperature to prevent glare, the shelf life of the product is 12 months from the date of production at about 25℃. Finished product packaging: 25kg, 200kg, 1000kg packaging or negotiated packaging.