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Micropowders
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General

Where can I purchase Micro Powders, Inc. products?
Micro Powders products (notes: are all made in USA) may be purchased from our distributors and agents throughout the world. Same product, same source, same quality wherever you need it. Please call or e-mail us for specific contacts.

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Who do I contact for technical assistance?
For technical assistance feel free to talk to your local representative. For more detailed assistance contact our office directly at 914-793-4058. You may also direct questions through this web site. All questions are quickly and expertly answered.

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Products

How do I select a product on your website?
The best way to choose a product is by using the Product Selector. The Product Selector allows you to search for a product based on your application and the properties you require.  The product selector can be accessed from the right side of every page.

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Can I use your products in waterborne systems?
Yes, we have a full line of waxes (Aqua Waxes) specifically designed for waterborne systems as well as a full line of waterborne, zero VOC dispersions and emulsions.

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Which products will lower the gloss the best in my system?
Our Micropro and Micromatte line of micronized waxes are designed to lower the gloss in many different systems. Their advantage is that they will not settle out and have a very low demand for vehicle so that they won't raise the viscosity.

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How do I choose an offset to the wax I currently use?
The best way to choose an offset is to do it by identifying the properties you need and then picking a wax from the product selector. You may find that the recommended MPI wax is less expensive. If you can only use a direct offset, it is best to contact us directly.

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Do your products conform to FDA guidelines?
The FDA has regulations, specifically outlined in 21 CFR. You will find that most of our products conform to these regulations. Contact us for a full listing.

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Which products will provide a texture or structure effect?
Micro Powders offers a full range of polypropylene, Nylon 6 and polyolefin powders designed to meet all formulation challenges. PropylTex series are micronized low density polypropylene powders specifically engineered to impart uniform texture in all types of high specification coatings. Nylotex products are based on higher melting point Nylon 6 and offer the best combination of uniform texture with extreme wear resistance. AquaTex series are densified polyolefin powders designed to eliminate wax floatation in waterborne and energy cure systems.

Micro Powders also offers high molecular weight PTFE powders for texture in Powder Coatings.  Fluo 750TX is a 100% PTFE powder and Synfluo 283TX is a combination of synthetic wax and PTFE.  Both will provide texture properties in Powder Coating applications.

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If I use your product, will I have recoatability issues?
At normal usage levels you should not have any recoatabilitiy issues. It is always important to optimize the usage level in your formula.

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How do I find regulatory information that I need?
Contact us for current regulatory summary sheets that are available for each product.

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Solutions

How do I incorporate micronized wax into solvent systems?
The best way to incorporate micronized waxes into solvent systems is to pre-mix in solvent or resin blend and then add to the finished batch. You can also add the wax after you have completed the dispersion of pigment or after dissolving the resin but before the final let down. It is best not to add the wax at the very end or during times where the wax will be exposed to high temperatures. If added at the very end of the batch, it may not disperse. If exposed to high temperatures in the presence of aromatic or other high KB solvents, the wax may dissolve only to re-crystallize at a later time and as a much larger particle.

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How do I incorporate micronized wax into waterborne systems?
The best way to incorporate micronized waxes into waterborne systems is to pre mix in a coalescing agent or resin system and then add to the finished batch. You can also add the wax after you have completed the dispersion of pigment or after dissolving the resin but before the final let down. It is best not to add the wax at the very end or before the final defoamer add is made. If added at the very end it may not disperse. If concentrated defoamer is added, it may interact with the wax and float out. It is best to always add defoamer in a very dilute form after wax has been added to a batch. Micro Powders has a full line of waterborne dispersions to make this process as easy as possible.

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Can wax kick out of a system?
Wax, generally, will not kick out of any system once it is dispersed. You need to remember that the wax should never be dissolved into a system because most micronized waxes are not soluble in inks, paints and coatings. The wax may float or settle in a system which gives the perception of a kickout but if it is never dissolved, it cannot kick out. Very often, if there is another problem in the system and there is a resin kickout, there will be a significant amount of wax in the resultant mixture.

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How do I incorporate micronized wax into powder coating systems?
Powder coating systems benefit greatly from the use of micronized wax. The best way to incorporate these waxes is to add them to the premix before extrusion. Because the wax is micronized, it will more evenly disperse than pellets or block wax. There are some cases where you can post add the micronized wax if necessary.

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Will defoamer cause any problems with wax?
Defoamers can react with lower molecular weight waxes or wax treated silicas by partially dissolving the wax and causing it to kick out and float. The best solution for this problem is to upgrade the micronized wax and use less of it since changing the defoamer is usually not an option. One quick test is to place 0.5 grams of wax into a 10cc test tube. Fill with the defoamer and mix thoroughly. Let this mix sit overnight and then observe. If there appears to be gel sites forming or if the viscosity goes very high, there is probably an incompatibility between the defoamer and the wax.

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Will aromatic solvents cause any problems with wax?
Aromatic solvents like Toluene or Xylene can partially dissolve lower molecular weight waxes at elevated temperatures. Once this cools, the wax will re-crystallize with much larger particles. This may not be evident in the retain sample because it was probably cooled very quickly compared to the much larger batch. To resolve this problem, you need to either lower the processing temperature, increase the molecular weight of the wax or prepare a dispersion of the wax before adding.

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Packaging

How is your wax packaged?
Most of our wax is packaged in protective 55 gallon fiber drums. Many are available in full pallets of 20kg bags and some are also available in semi bulk bags.

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Can I purchase small amounts?
5 kg pails may be purchased with a minimal repack and shipping charge. Lab samples are always available.

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Will you package in semi-bulk bags?
Many, but not all, of our products may be packaged in semi bulk bags. Custom weights may also be arranged. Call for details.

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News & Upcoming Events

Asia Coat & Ink Show
Mar 09, 2017 - Mar 11, 2017
Mumbai, India
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European Coatings Show
Apr 04, 2017 - Apr 06, 2017
Nurnberg, Germany
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MPI LAUNCHES HIGH DENSITY PRODUCTS AT EUROPEAN COATINGS SHOW 2017
Apr 04, 2017 - Apr 06, 2017
Tarrytown, NY – New HD Product Launch
read more...

 
 
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