Pyroguard® FRA 33

Pyroguard® FRA 33

PYROGUARD® FRA 33 is a liquid flame retarding product for use in cotton, nylon, rayon, silk, wool, and blends of synthetic and natural fibers. It is a reacted ester, which has been neutralized to prevent chalking while providing a flame retardant finish with a softer hand. Used in fire retardant intumescent paints, mastics, and polymers.


15 Gal Drum, 30 Gal Drum, 55 Gal Drum, 275 Gal Tote

Product Information Sheet
Product Label


PYROGUARD® FRA 33 is applied on either a padder or with sprays. Use 100% solution to ensure sufficient pickup and coverage of material being treated. Drying temperatures should not exceed 220o F. Over drying should be avoided. PYROGUARD® FRA 33 will perform under normal conditions to pass the criteria set forth under 16 CFR part 1610. These conditions include applying a minimum of 12.5% dry pick up of flame retardant on weight of fabric.

PYROGUARD® FRA 33 is compatible with Paradigm’s SoilResist LT-100 oil and water repellent which allows single pass application of both products.


Appearance: Clear amber liquid
pH (2% solution): 6.5 ± 0.4
Solubility: Completely soluble in water
Specific Gravity: 1.044
Solids: 16% ± 1%
Stability: Stable for at least one year if stored in a cool, dry place.
Water Resistance: Poor

Additional information

Packaging Variations

15 Gal Drum, 30 Gal Drum, 55 Gal Drum, 275 Gal Tote