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Micronized Wax for Inks and Coatings
Wax and Ink Coatings
Micronized waxes are used in printing ink to provide rub resistance while maintaining over-printability. Gloss and slip are other considerations in the selection of wax. In coatings, wax provides mar and abrasion resistance. (Re-coatability, slip, gloss retention or matting, clarity and overall surface properties are important.) Shamrock produces a full line of micronized waxes: natural, synthetic, and blends that impart specific physical properties. These compositions cover a range of properties to suit various applications. We offer these as products in a range of particle sizes as described by their stir-in reading on NPIRI and Hegman grind gages. A reading of 10 on the NPIRI grind gage equals 25 microns. N5 =12.5 microns, N3= 7.5 microns, etc. We also use instrumentation that measures particle size distribution.
Micronized Wax Powders
What hydrophilic synthetic wax powders can be used in waterborne coatings and inks?
Shamrock Technologies’ Neptune® hydrophilic synthetic wax powders are designed to enhance performance in waterborne coatings, inks, and other polar formulations. Their inherently hydrophilized chemistry provides excellent wettability and easy dispersibility without the need for additional wetting agents, while delivering key surface benefits including improved mar/scuff resistance, rub resistance, matting, and controlled slip through optimized coefficient of friction (COF) modification.
| Product | DSC Melt Point | MV | NPIRI Grind | Hegman Grind |
|---|---|---|---|---|
| S-379-H | 100°C | 9 µm | 5.0 max | 6.0 min |
| S-379-N8 | 100°C | 11 µm | 7 – 9 Max. | 5.0 min |
| S-394-MG | 235°F / 113°C | 3 – 4 μm | 2 Max. | 6.75 Min |
| S-394-N1 | 110°C | 6 µm | 2.5 Max. | 6.5 min |
| S-394-N5 | 235°F / 113°C | 7 – 9 μm | 3.0 – 4.5 Max | 6.0 – 7.0 Min |
| S-395-N2 | 248°F / 120°C | 6 µm | 2.5 max | 6.5 min |
| S-395-N5 | 257°F / 125°C | 8 µm | 5.0 Max | 6.0 Min |
| S-395-SP5 | 248°F / 120°C | 10 µm | 9.5 Max | 5.5 Min |
| TaberTIGER 5512 | 262°F / 128°C | 12-16 µm | 2.0 Max. | 4.5 Min. |
| Neptune 5223 | 104°C | 8 µm | 5.0 max | 6.5 min |
Wax Alloy Powders
Formulated waxes with a wide range of properties designed for easy dispersion and specific performance features.
| Product | DSC Melt Point | Specific Gravity | MV | NPIRI Grind | Hegman Grind |
|---|---|---|---|---|---|
| S-156 | 125 | 1.11 | 7 – 9 μm | – | 6.0 Min |
| S-232-N1 | 110 | 0.97 | 5 µm | 2.5 max | 6.5 min |
| S-363 | 140 | 0.94 | 5 µm | 2.5 max | 6.5 min |
| S-381-N1 | 91°C | 0.93 | 6 µm | 2.5 max | 6.5 min |
| S-381-N5 | 209°F / 98°C | 0.93 | 8.0 – 10.0 µm | 5.0 max | 6.0 – 7.0 Min |
| S-400-N1 | 144°C | 0.98 | 5 µm | 2.5 Max. | 6.0 Min. |
| S-400-N5 | 144 | 0.98 | 8 µm | 5.0 Max | 6.0 Min. |
| S-400Q | 140-145°C | 0.98 | 8 μm | – | – |
| S-400-SP5 | 144 | 0.98 | 10 μm | 8.5 Max | 5.5 Min |
| LoAngle 5413 | 107 | 0.96 | 12.5 | 9.0 Max | 5.0 Min |
| NonSKID 59 | 302 ˚F / 150˚C | 0.93 | 7-10 µm | 6.5 max | 5.0 min |
| NonSKID 5389 | 293 ˚F / 145˚C | 0.90 | 10 µm | 6.0 Max | 6.5 Min |
| NonSKID 8001 | 302 ˚F /150˚C | – | 7-9 µm | 6.5 Max | – |
| TaberPLUS 75 | 129°C | 0.98 | 5 µm | 2.5 Max | 6.0 Min |
| HydroPEL QB | 149°F / 65°C | 0.88 | 9 µm | – | 5.5 Min |
| S-NAUBA 5021 | 84°C | 1.0 | 7 µm | 5.0 Max | 6.5 Min |
Hydrophillic Synthetic Wax Powders
Powders can be made wettable with wetting agents. The Neptune products are composed of hydrophilized synthetic waxes, thus making them excellent for polar systems.
| Product | DSC Melt Point | MV | NPIRI Grind | Hegman Grind | Application Notes |
|---|---|---|---|---|---|
| NEPTUNE 1-N1 | 220˚F / 104˚C | 5 µm | 2.5 Max. | 6 Min. | Mar/Scuff Resistance, Slip |
| Neptune 250 | 104ºC | 8 | – | – | Scuff resistance, anti-blocking |
| Neptune 5223 | 104°C | 8 µm | 5.0 max | 6.5 min | Abrasion Resistance, Slip |