StarPel™ 391

Non-Smoking Reactive Fluorochemical Extender

Product Description

StarPel™ 391 considerably improves performance and demonstrates excellent compatibility when used as an extender for fluorochemical products. The product is non-smoking in nature. However, it does contain waxes for improved water repellency over conventional non-smoking products. This product emits 0.0 lbs/gal VOC by Method #24 testing.

StarPel™ 391 is compatible with most fluorochemical products and considerably improves their performance. Fluorochemical concentrations may be reduced with the use of StarPel™ 391 as an extender resulting in more economical finishes.

Special Properties
  • Extremely efficient fluorochemical extender
  • Self cross-linking
  • Excellent stability and running properties
  • Easy to handle — dispersible in room temperature water
  • Quartermaster-approved for water repellent treatment of military fabrics


Water & Oil Repellent Finishes (with or without resin)

2–5% StarPelTM 391 owb
1.5–4% Fluorochemical Product owb

Typical Physical Properties *





pH (100%)

5.7 – 6.7

% Active Solids

24.5 – 25.5


Dispersible in Water

* These items are provided as general information only. They are approximate values and are not considered part of the product specifications.


StarPel™ 391 should be stored in closed containers and protected from freezing.
FDA Clearances: 21 CFR 176.170 & 176.180