DAPRO® BEZ 75

Manufacturer: Elementis Specialties Inc.

Ingredient Type: Additive

Function: Anti-sagging Agent

GENERAL INFORMATION

DAPRO BEZ 75 is used in non-aqueous coatings as an effective auxiliary to fight settling and sagging. It is particularly useful in aromatic-free formulations.

CHEMICAL & PHYSICAL PROPERTIES

These are typical properties not to be used for specification purposes.

APPLICATIONS

DAPRO BEZ 75 can be used in most non-aqueous coatings e.g. air-dried alkyd, alkyd-melamine, acrylic, nitrocellulose, chlorinated rubber and epoxy coatings. It is suitable also for wash primers and high-solid paints. According to experience, DAPRO BEZ 75 cannot be applied to systems containing zinc-powder.

  • As anti-settling agent
    DAPRO BEZ 75 counteracts the formation of a hard, un-stirrable sediment during storage. The effectiveness of DAPRO BEZ 75 as an anti-settling agent is shown especially in industrial primers and dipping varnishes.
  • As anti-sagging agent
    DAPRO BEZ 75 improves sag resistance in dipping varnishes, spray paints and in varnishes applied by brush. DAPRO BEZ 75 remains active even after extended storage.
  • Other applications and properties
    DAPRO BEZ 75 gives a thixotropic character to coatings, even if the product is post added. improves the brushability and if added to the pigment paste before the dispersing process, has a positive influence on the wetting and dispersing of the pigment.
  • DAPRO BEZ 75 can be applied as a swelling and wetting agent for various types of organoclay thickening agents. By using DAPRO BEZ 75 instead of a polar activator like methanol/water, soft easily workable yet activated BENTONE pastes are obtained.
  • We recommend the following composition:

INCORPORATION

DAPRO BEZ 75 can be added at any stage of the coating manufacture. However, when used as an anti-settling agent, we recommend the addition before the dispersing process, as this will result in better distribution of the product on the pigment.

LEVELS OF USE

In most cases good results are obtained at a concentration of 0.2 – 1.0 %, calculated on the total quantity of the paint. We recommend to determine the optimum dosage in each case individually.

ALTERNATIVE PRODUCTS

In most cases good results are obtained at a concentration of 0.2 – 1.0 %, calculated on the total quantity of the paint. We recommend to determine the optimum dosage in each case individually.

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