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Benzoin

Benzoin, also known as benzoin or diphenyl ketone alcohols, is the most common degassing agent in powder coating. When the powder coating is melting, benzoin consume the oxygen in the bubbles, reducing the bubble diameter, causes the pressure inside the bubble increased, so that the speed of polymer dissolved nitrogen is accelerated, and bubble contraction is accelerated, thesmall molecule compounds escaped before the leveling forming film, thereby eliminating the coating pores and other small pinholes or trichopores.

  1. technical parameters
    • Appearance:white or light yellow crystal
    • Active content:≥99%
    • Melting point:133℃~137℃
  1. Product feature
    • IT can eliminate air bubbles and pinholes of powder coating, without affecting re-coating and printing.
  • Benzoin is easily yellowed under high temperature, so we need to control the dosage.
  • It can be used for all kinds of powder coatings.

3. Dosage

This product is used by added to involve in extrusion, the use level is 0.3~0.8% by weight based on total formula.

4. Packaging and storage  

Packaging with PE lined Kraft paper bags. Net weight 25kg per bag. Sealed packaging, storing in a cool and dry place, reasonable storage shelf life of this product is at least 2 years.



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