SST® –4D by Shamrock is a white low molecular weight PTFE powder with a particle size mean value of 3 µm. Acts as a slip, mar/scuff, rub and abrasion resistance agent. Provides slip (low COF), high temperature resistance, gloss retention, rub and abrasion resistance properties. It has a tightly controlled particle size distribution, resulting in fewer oversized particles. SST® –4D is recommended for use in offset inks and thin film coatings. SST®-4D is also recommened for use in water-based, solvent-based, powder, and UV systems at 1-2% of the total formula weight. It meets the requirements of 21 CFR 175.105, 175.300, 176.170, and 176.180.
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Water-based Inks|
UV / Radiation-curable Coatings|
Inks|
Waterborne Coatings|
Solvent-based Coatings|
Powder Coatings|
Coatings
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SST® –4D properties
Other properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Hegman Grind | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Melting Point | 0.0 Visible After Login | Visible After Login | Visible After Login |
| NPIRI Grind | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Particle Size Distribution, D99 | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Particle Size, Average | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Specific Gravity | 0.0 Visible After Login | Visible After Login | Visible After Login |