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Solvent-Based Thin Film Intumescent Coating

MasterFormat 07 81 23 Intumescent Fire Protection

This information reflects our best understanding of product composition in 2022.

Intumescent coatings swell during a fire to encase a substrate in a thick bark of char, which protects the substrate from burning. In the case of structural steel, the concern is that the steel will weaken in the high heat of a fire, rather than...

More about Solvent-Based Thin Film Intumescent Coating

Intumescent coatings swell during a fire to encase a substrate in a thick bark of char, which protects the substrate from burning. In the case of structural steel, the concern is that the steel will weaken in the high heat of a fire, rather than burning. The intumescent component of the coating is commonly composed of a carbon donor, phosphorous donor, and a nitrogen source. It is also important to note that the intumescent additives can perform ancillary functions as well, such as stabilization, fire resistance, or filling. This CP describes solvent-based intumescent coatings that are site applied to structural steel and intended for non-corrosive/non-humid environments. This Common Product describes a standard formulation for a solvent-based thin film intumescent coating. Products with low-VOC formulations are also available, but were found to be less common.

The Historical version of this CP can be found here Historical Factory-Applied Thin Film Intumescent Coating - 2015. Note that this CP did not include solvents because it was meant to capture a factory-applied coating as delivered to the job site.

Name % Weight Whole Function GREENSCREEN® Sources
Polyphosphoric acids, ammonium salts
68333-79-9
28.46% Flame retardant/ Intumescent Subscribe to view
Xylenes
1330-20-7
18.17% Solvent Subscribe to view
2-Propenoic acid, 2-ethylhexyl ester, polymer with ethenylmethylbenzene
60381-61-5
13.63% Binder Subscribe to view
Melamine
108-78-1
9.08% Intumescent Subscribe to view
Titanium dioxide
13463-67-7
9.08% Pigment Subscribe to view
Toluene
108-88-3
9.08% Solvent Subscribe to view
Pentaerythritol
115-77-5
5.68% Stabilizer Intumescent Subscribe to view
Ethylbenzene
100-41-4
4.54% Solvent Subscribe to view
Zinc Borate (Firebrake ZB)
138265-88-0
2.27% Flame Retardant Subscribe to view
Name % Weight Part % Weight Whole Function GREENSCREEN® Sources
Polyphosphoric acids, ammonium salts
68333-79-9
28.46% 28.46% Flame retardant/ Intumescent Subscribe to view
Xylenes
1330-20-7
18.17% 18.17% Solvent Subscribe to view
2-Propenoic acid, 2-ethylhexyl ester, polymer with ethenylmethylbenzene
60381-61-5
13.63% 13.63% Binder Subscribe to view
Melamine
108-78-1
9.08% 9.08% Intumescent Subscribe to view
Titanium dioxide
13463-67-7
9.08% 9.08% Pigment Subscribe to view
Toluene
108-88-3
9.08% 9.08% Solvent Subscribe to view
Pentaerythritol
115-77-5
5.68% 5.68% Stabilizer Intumescent Subscribe to view
Ethylbenzene
100-41-4
4.54% 4.54% Solvent Subscribe to view
Zinc Borate (Firebrake ZB)
138265-88-0
2.27% 2.27% Flame Retardant Subscribe to view

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Known or Potential Residuals

Known or Potential Residuals for Chemical
CASRN NAME GREENSCREEN® TYPE FREQUENCY % Weight Chemical % Weight Product SOURCE
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Other Process Chemicals

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CASRN NAME GREENSCREEN® TYPE FREQUENCY % WT CHEM % WT PRODUCT SOURCES
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Sources

Sources for Common Product Data
Source Uploaded Document Linked Document
Declare - A/D Firefilm III
Declare - Thermo Sorb 263
HPD - FIREDAMP 263
Journal - Intumescent coatings: A review on recent progress
Patent - EP2260154A1
Patent - Solventborne binder for an intumescent coating
Patent - US20070212495A1
Patent - US7288588B2
SDS - Albi Clad 800
SDS - Eastman TXIB(TM) Formulation Additive
SDS - Firetex FX1003
SDS - Hempel Hempacore One FD 43601
SDS - Interchar 963
SDS - SteelGuard FM 549
SDS - SteelMaster 120SB
SDS - Thermo Sorb 263
TDS - Albi Clad 800
TDS - BENTONE SD1
TDS - FIREDAMP 263
TDS - Firetex FX1003
TDS - Hempel Hempacore One FD 43601
TDS - Interchar 963
TDS - Octadecanoic acid, 12-hydroxy, reaction products with ethylenediamine
TDS - Solvesso 100
TDS - SteelMaster 120SB
TDS - Thermo Sorb 263
TDS - TIOXIDE TR92
Website - Exolit AP 422
Website - Specifications Assistance