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FluoroSLIP 421-T

FluoroSLIP® 421T is a blend of spherical synthetic wax and PTFE.

Technical Documents

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FluoroSLIP® 421T

Synthetic Wax/PTFE Blend

In 1975, Shamrock discovered that the combination of PTFE and wax provided slip and rub/abrasion resistance that neither could do alone. FluoroSLIP® products are formulated on this principle.

Product Description:

FluoroSLIP® 421T is a blend of spherical synthetic wax and PTFE.


FluoroSLIP® 421T can be used in both the ink and coatings industries. FluoroSLIP® 421T is recommended for offset inks and water-based, solvent-based and UV systems at 1-3% of the total formulation weight. It is also used in powder coatings.

Features and Benefits:

Slip (Low COF)
Rub Resistance
Abrasion Resistance
 Mar/Scuff Resistance
Block Resistance

Typical Properties:

 Specific Gravity: 1.1 g/cm3
Particle Size Mean Value: 6 µm
99% of Particles Under: 15 µm
NPIRI Grind: 2.5 max
Hegman Grind: 6.5 min
Melting Point (Synthetic Wax): 230/110 °F/°C


Regulatory Status:

The components of this product are listed on multiple chemical inventories. For specific information on the applicable chemical inventories, please refer to the product SDS. This product meets the requirements of 21 CFR 175.105, 175.300, 176.170, and 176.180.

Safety, Shipping and Handling:

For complete safety, shipping and handling information please contact your regional Customer Service Representative, or our Customer Service Team at customerserviceteam@shamrocktechnologies.com.

For more information about Shamrock’s other products or capabilities please visit us at our website, ShamrockTechnologies.com.


End Use Applications

Aerospace, Appliance, Aqueous, Architectural, Automotive, Baking, Building Products, Can, Coatings, Coil, Commercial, Flexographic, Furniture, Industrial, Inks, Liquid Inks, Overprint Varnish, Packaging, Powder, Solvent, Thin Film, UV, Veneer, Wood

Features and Benefits

Abrasion Resistance, Block Resistance, Gloss Retention, Mar/Scuff Resistance, Rub Resistance, Slip (Cof), Spherical Wax


PTFE, Synthetic Wax, Wax

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