German technical background VOK-994 Wax auxiliaries It can improve scratch resistance replaces BYK-994

German technical background  VOK®-AP 994 wax auxiliary

VOK®-AP 994 Micronized amide wax for solventborne and powder coatings. Improved scratch resistance, abrasibility, charged properties of powder coatings, and food slippage properties of canned coatings.

Product Information Chemical composition Ultrafine pulverized polyamide wax. 

Typical physical and chemical data The data given on this data page is only typical values, not technical indicators of the product. Density (20 °C): 0.99 g/ml Melting point: 145 °C 

Particle size distribution (laser diffraction, volume distribution): D50: 5 μm D90: 10 μm Supply form: micronized 

The additive can be used in food contact applications. To find out the status of food contact regulations for this product, please contact our Product Safety Department or visit the website:

Storage and transportation 

The product is temperature sensitive and must be stored and transported below 50 °C. Application areas Powder coatings Features and benefits This additive improves pigment wetting during powder coating production and charged properties during application. 

Recommended use 

VOK®-AP 994 is recommended for polyester, polyester/epoxy, acrylate, polyurethane and epoxy based powder coatings. 

Recommended dosage 

0.5-2 % additive (purchased form) based on total formulation. The above recommended addition amount is for reference, and the suitable addition amount needs to be determined by a series of tests. Addition method and processing guidance VOK®-AP 994 should be mixed and stirred with resin, curing agent, pigment and other additives at high speed, and then all extruded and discharged.

Liquid coatings 

Features and benefits 

The additive can be used in solvent-based and solvent-free coatings to improve scratch resistance, improve sandability, reduce gloss, and can be used to ease food slippage in canned coatings. 

Recommended dosage 

0.5-2% additive (purchased form) is based on total formulation. 

The above recommended addition amount is for reference, and the suitable addition amount needs to be determined by a series of tests. 

Incorporation method and processing guidance 

The additive is best added at a low shear rate at the end of production.