Pyrolon® CBFR provides our most advanced chemical protection for applications where flash fire is present. This self-extinguishing fabric is designed for the highest chemical holdout to protect your people and your primary flame-resistant workwear.

Pyrolon CBFR products meet ANSI/ISEA 203, the standard for secondary flame-resistant clothing that must be worn over primary flame-resistant clothing.

Pyrolon CBFR Permeation Data

Chemical TestedCAS NumberPhysical StateNormalized Breakthrough Time
1-3 BUTADIENE106-99-0GAS>480
1,3-BUTADIENE106-99-0GAS>480
1,3-BUTADIENE106-99-0GAS>480
1,3-BUTADIENE106-99-0GAS>480
1,3-BUTADIENE106-99-0GAS>480
1,3-BUTADIENE106-99-0GAS>480
1,3-BUTADIENE106-99-0GAS>480
ACETONE67-64-1LIQUID>480
ACETONE67-64-1LIQUID>480
ACETONE67-64-1LIQUID>480
ACETONE67-64-1LIQUID>480
ACETONE67-64-1LIQUID>480
ACETONE67-64-1LIQUID>480
ACETONITRILE75-05-8LIQUID>480
ACETONITRILE75-05-8LIQUID>480
ACETONITRILE75-05-8LIQUID>480
ACETONITRILE75-05-8LIQUID>480
ACETONITRILE75-05-8LIQUID>480
ACETONITRILE75-05-8LIQUID>480
ACRYLONITRILE107-13-1LIQUID>480
ACRYLONITRILE107-13-1LIQUID>480
ACRYLONITRILE107-13-1LIQUID>480
ACRYLONITRILE107-13-1LIQUID>480
ACRYLONITRILE107-13-1LIQUID>480
ACRYLONITRILE107-13-1LIQUID>480
AMMONIA7664-41-7GAS>480
AMMONIA7664-41-7GAS>480
AMMONIA7664-41-7GAS>480
AMMONIA7664-41-7GAS>480
AMMONIA7664-41-7GAS>480
AMMONIA7664-41-7GAS>480
BENZENE71-43-2LIQUID>480
BENZENE71-43-2LIQUID>480
BENZENE71-43-2LIQUID>480
BENZENE71-43-2LIQUID>480
BENZENE71-43-2LIQUID>480
BENZENE71-43-2LIQUID>480
CARBON DISULFIDE75-15-0LIQUID>480
CARBON DISULFIDE75-15-0LIQUID>480
CARBON DISULFIDE75-15-0LIQUID>480
CARBON DISULFIDE75-15-0LIQUID>480
CARBON DISULFIDE75-15-0LIQUID>480
CARBON DISULFIDE75-15-0LIQUID>480
CARBON TETRACHLORIDE56-23-5LIQUID>480
CARBON TETRACHLORIDE56-23-5LIQUID>480
CARBON TETRACHLORIDE56-23-5LIQUID>480
CARBON TETRACHLORIDE56-23-5LIQUID>480
CARBON TETRACHLORIDE56-23-5LIQUID>480
CHLORINE7782-50-5GAS>480
CHLORINE7782-50-5GAS>480
CHLORINE7782-50-5GAS>480
CHLORINE7782-50-5GAS>480
CHLORINE7782-50-5GAS>480
CHLORINE7782-50-5GAS>480
CHROMIC ACID1333-82-0LIQUID>480
CHROMIC ACID1333-82-0LIQUID>480
CHROMIC ACID1333-82-0LIQUID>480
CHROMIC ACID1333-82-0LIQUID>480
CHROMIC ACID1333-82-0LIQUID>480
CHROMIC ACID1333-82-0LIQUID>480
CRESOL95-48-7LIQUID109
CRESOL95-48-7LIQUID109
CRESOL95-48-7LIQUID109
CRESOL95-48-7LIQUID109
CRESOL95-48-7LIQUID86
CRUDE OILN/ALIQUID>480
CRUDE OILN/ALIQUID>480
CRUDE OILN/ALIQUID>480
CRUDE OILN/ALIQUID>480
CRUDE OILN/ALIQUID>480
CRUDE OILN/ALIQUID58
DICHLOROMETHANE75-09-2LIQUID>480
DICHLOROMETHANE75-09-2LIQUID>480
DICHLOROMETHANE75-09-2LIQUID>480
DICHLOROMETHANE75-09-2LIQUID>480
DICHLOROMETHANE75-09-2LIQUID>480
DICHLOROMETHANE75-09-2LIQUID>480
DIESEL FUELMIXTURELIQUID>480
DIESEL FUELMIXTURELIQUID>480
DIESEL FUELMIXTURELIQUID>480
DIESEL FUELMIXTURELIQUID>480
DIESEL FUELMIXTURELIQUID>480
DIESEL FUELMIXTURELIQUID>480
DIETHYLAMINE109-89-7LIQUID309
DIETHYLAMINE109-89-7LIQUID309
DIETHYLAMINE109-89-7LIQUID309
DIETHYLAMINE109-89-7LIQUID309
DIETHYLAMINE109-89-7LIQUID309
DIETHYLAMINE109-89-7LIQUID130
DIMETHYLFORMAMIDE68-12-2LIQUID>480
DIMETHYLFORMAMIDE68-12-2LIQUID>480
DIMETHYLFORMAMIDE68-12-2LIQUID>480
DIMETHYLFORMAMIDE68-12-2LIQUID>480
DIMETHYLFORMAMIDE68-12-2LIQUID>480
DIMETHYLFORMAMIDE68-12-2LIQUID>480
EPICHLOROHYDRIN106-89-8LIQUID>480
EPICHLOROHYDRIN106-89-8LIQUID>480
EPICHLOROHYDRIN106-89-8LIQUID>480
EPICHLOROHYDRIN106-89-8LIQUID>480
EPICHLOROHYDRIN106-89-8LIQUID>480
EPICHLOROHYDRIN106-89-8LIQUID>480
ETHYL ACETATE141-78-6LIQUID>480
ETHYL ACETATE141-78-6LIQUID>480
ETHYL ACETATE141-78-6LIQUID>480
ETHYL ACETATE141-78-6LIQUID>480
ETHYL ACETATE141-78-6LIQUID>480
ETHYL ACETATE141-78-6LIQUID>480
ETHYL BENZENE100-41-4LIQUID>480
ETHYL BENZENE100-41-4LIQUID>480
ETHYL BENZENE100-41-4LIQUID>480
ETHYL BENZENE100-41-4LIQUID>480
ETHYL BENZENE100-41-4LIQUID>480
ETHYL BENZENE100-41-4LIQUID>480
ETHYLENE GLYCOL107-21-1LIQUID>480
ETHYLENE GLYCOL107-21-1LIQUID>480
ETHYLENE GLYCOL107-21-1LIQUID>480
ETHYLENE GLYCOL107-21-1LIQUID>480
ETHYLENE GLYCOL107-21-1LIQUID>480
ETHYLENE GLYCOL107-21-1LIQUID>480
ETHYLENE OXIDE75-21-8GAS>480
ETHYLENE OXIDE75-21-8GAS>480
ETHYLENE OXIDE75-21-8GAS>480
ETHYLENE OXIDE75-21-8GAS>480
ETHYLENE OXIDE75-21-8GAS>480
ETHYLENE OXIDE75-21-8GAS>480
GASOLINEMIXTURELIQUID>480
GASOLINEMIXTURELIQUID>480
GASOLINEMIXTURELIQUID>480
GASOLINEMIXTURELIQUID>480
GASOLINEMIXTURELIQUID>480
GASOLINEMIXTURELIQUID138
HYDROCHLORIC ACID7647-01-0LIQUID>480
HYDROCHLORIC ACID7647-01-0LIQUID>480
HYDROCHLORIC ACID7647-01-0LIQUID>480
HYDROCHLORIC ACID7647-01-0LIQUID>480
HYDROCHLORIC ACID7647-01-0LIQUID>480
HYDROCHLORIC ACID7647-01-0LIQUID>480
HYDROFLUORIC ACID7664-39-3LIQUID>480
HYDROFLUORIC ACID7664-39-3LIQUID>480
HYDROFLUORIC ACID7664-39-3LIQUID>480
HYDROFLUORIC ACID7664-39-3LIQUID>480
HYDROFLUORIC ACID7664-39-3LIQUID>480
HYDROFLUORIC ACID7664-39-3LIQUID>480
HYDROGEN CHLORIDE7647-01-0GAS>480
HYDROGEN CHLORIDE7647-01-0GAS>480
HYDROGEN CHLORIDE7647-01-0GAS>480
HYDROGEN CHLORIDE7647-01-0GAS>480
HYDROGEN CHLORIDE7647-01-0GAS>480
HYDROGEN CHLORIDE7647-01-0GAS182
HYDROGEN FLUORIDE7664-39-3GAS96
HYDROGEN FLUORIDE7664-39-3GAS96
HYDROGEN FLUORIDE7664-39-3GAS96
HYDROGEN FLUORIDE7664-39-3GAS96
HYDROGEN FLUORIDE7664-39-3GAS96
HYDROGEN FLUORIDE7664-39-3GAS94
HYDROGEN PEROXIDE7722-84-1LIQUID>480
HYDROGEN PEROXIDE7722-84-1LIQUID>480
HYDROGEN PEROXIDE7722-84-1LIQUID>480
HYDROGEN PEROXIDE7722-84-1LIQUID>480
HYDROGEN PEROXIDE7722-84-1LIQUID>480
ISOBUTYL ACRYLATE106-63-8LIQUID480
ISOBUTYL ACRYLATE106-63-8LIQUID480
ISOBUTYL ACRYLATE106-63-8LIQUID480
ISOBUTYL ACRYLATE106-63-8LIQUID480
ISOBUTYL ACRYLATE106-63-8LIQUID480
ISOBUTYL ACRYLATE106-63-8LIQUID480
ISOPROPYL ALCOHOL67-63-0LIQUID335
ISOPROPYL ALCOHOL67-63-0LIQUID335
ISOPROPYL ALCOHOL67-63-0LIQUID335
ISOPROPYL ALCOHOL67-63-0LIQUID335
ISOPROPYL ALCOHOL67-63-0LIQUID327
METHANOL67-56-1LIQUID33
METHANOL67-56-1LIQUID33
METHANOL67-56-1LIQUID33
METHANOL67-56-1LIQUID33
METHANOL67-56-1LIQUID33
METHANOL67-56-1LIQUID25
METHYL CHLORIDE74-87-3GAS>480
METHYL CHLORIDE74-87-3GAS>480
METHYL CHLORIDE74-87-3GAS>480
METHYL CHLORIDE74-87-3GAS>480
METHYL CHLORIDE74-87-3GAS>480
METHYL CHLORIDE74-87-3GAS>480
N-BUTANOL71-36-3LIQUID18
N-BUTANOL71-36-3LIQUID18
N-BUTANOL71-36-3LIQUID18
N-BUTANOL71-36-3LIQUID18
N-BUTANOL71-36-3LIQUID11
N-HEXANE110-54-3LIQUID>480
N-HEXANE110-54-3LIQUID>480
N-HEXANE110-54-3LIQUID>480
N-HEXANE110-54-3LIQUID>480
N-HEXANE110-54-3LIQUID>480
N-HEXANE110-54-3LIQUID>480
NITRIC ACID7697-37-2LIQUID>480
NITRIC ACID7697-37-2LIQUID>480
NITRIC ACID7697-37-2LIQUID>480
NITRIC ACID7697-37-2LIQUID>480
NITRIC ACID7697-37-2LIQUID>480
NITRIC ACID7697-37-2LIQUID>480
NITROBENZENE98-95-3LIQUID>480
NITROBENZENE98-95-3LIQUID>480
NITROBENZENE98-95-3LIQUID>480
NITROBENZENE98-95-3LIQUID>480
NITROBENZENE98-95-3LIQUID>480
NITROBENZENE98-95-3LIQUID>480
PCB (TRANSFORMER OIL)PCBLIQUID>480
PCB (TRANSFORMER OIL)PCBLIQUID>480
PCB (TRANSFORMER OIL)PCBLIQUID>480
PCB (TRANSFORMER OIL)PCBLIQUID>480
PCB (TRANSFORMER OIL)PCBLIQUID>480
PHOSPHORIC ACID7664-88-2LIQUID>480
PHOSPHORIC ACID7664-88-2LIQUID>480
PHOSPHORIC ACID7664-88-2LIQUID>480
PHOSPHORIC ACID7664-88-2LIQUID>480
PHOSPHORIC ACID7664-88-2LIQUID>480
POTASSIUM HYDROXIDE1310-58-3LIQUID>480
POTASSIUM HYDROXIDE1310-58-3LIQUID>480
POTASSIUM HYDROXIDE1310-58-3LIQUID>480
POTASSIUM HYDROXIDE1310-58-3LIQUID>480
POTASSIUM HYDROXIDE1310-58-3LIQUID>480
POTASSIUM HYDROXIDE1310-58-3LIQUID>480
SODIUM HYDROXIDE1310-73-2LIQUID>480
SODIUM HYDROXIDE1310-73-2LIQUID>480
SODIUM HYDROXIDE1310-73-2LIQUID>480
SODIUM HYDROXIDE1310-73-2LIQUID>480
SODIUM HYDROXIDE1310-73-2LIQUID>480
SODIUM HYDROXIDE1310-73-2LIQUID>480
SULFURIC ACID7664-93-9LIQUID>480
SULFURIC ACID7664-93-9LIQUID>480
SULFURIC ACID7664-93-9LIQUID>480
SULFURIC ACID7664-93-9LIQUID>480
SULFURIC ACID7664-93-9LIQUID>480
SULFURIC ACID7664-93-9LIQUID>480
TETRACHLOROETHYLENE127-18-4LIQUID>480
TETRACHLOROETHYLENE127-18-4LIQUID>480
TETRACHLOROETHYLENE127-18-4LIQUID>480
TETRACHLOROETHYLENE127-18-4LIQUID>480
TETRACHLOROETHYLENE127-18-4LIQUID>480
TETRACHLOROETHYLENE127-18-4LIQUID>480
TETRAHYDROFURAN109-99-9LIQUID21
TETRAHYDROFURAN109-99-9LIQUID21
TETRAHYDROFURAN109-99-9LIQUID21
TETRAHYDROFURAN109-99-9LIQUID21
TETRAHYDROFURAN109-99-9LIQUID21
TETRAHYDROFURAN109-99-9LIQUIDIMM
TOLUENE108-88-3LIQUID4
TOLUENE108-88-3LIQUID>480
TOLUENE108-88-3LIQUID4
TOLUENE108-88-3LIQUID4
TOLUENE108-88-3LIQUID2
VINYL CHLORIDE75-01-4GAS>480
VINYL CHLORIDE75-01-4GAS>480
VINYL CHLORIDE75-01-4GAS>480
VINYL CHLORIDE75-01-4GAS>480
VINYL CHLORIDE75-01-4GAS>480
VINYL CHLORIDE75-01-4GAS>480
XYLENE95-47-6LIQUID10
XYLENE95-47-6LIQUID10
XYLENE95-47-6LIQUID10
XYLENE95-47-6LIQUID10
XYLENE95-47-6LIQUID7
Contact Us
Fill out the form below, and we will be in touch shortly.