Hazmax™ Chemical Boots

Hazmax™ CBRN Boots

Specifically developed for CBRN response, the Hazmax™ CBRN S5 safety boot provides the same comfort and chemical resistance as our popular Hazmax™ chemical safety boots, but with enhanced protection against chemical warfare agents.

Chemical Protection
Chemical Protection: EN 13832-3:2006 approval for footwear highly resistant to chemicals.
S5 Category Safety Boot
S5 Category Safety Boot: Complies with the requirements for safety footwear in EN ISO 20345:2011 and additionally includes a closed set region, antistatic properties energy absorption of seat region, resistance to fuel oil, penetration resistance and a cleated out-sole.
Slip Resistant SR
Slip Resistance SR: denotes slip resistance to glycerine on ceramic tile floor as stated in Table 16, EN ISO 20345:2022
Vulcanised Rubber Sole
Vulcanised Rubber Sole Description
Energy Absorbing Heel
Energy Absorbing Heel: Provides a minimum of 20J cushioning at the heel, reducing the risk of fatigue and injury to joints and spine. Boot Marking: E
Toecap and Mid-Sole
Toecap and Mid-sole: Epoxy coated steel toecap fitted tested for 200J impact resistance and 15kN compression. Stainless steel penetration resistant mid-sole fitted with penetration resistance greater than or equal to 1100N. Boot Marking: P
Fuel Oil Resistant
Fuel and Oil Resistant: The outer sole is resistant to oil, ensuring the working life of the boot won’t be compromised if used in oily environments. The test involves immersion in oil for 22 hours after which the sole is checked for excessive swelling, shrinkage or increased hardness. Boot Marking: FO
Cold Insulation
Cold Insulation: The thermal insulation properties of the boot ensure that the temperature decrease inside a boot at 23°C when placed in a cold chamber at -17°C is less than 10°C after 30 minutes when measured at the upper surface of the insole. Boot Marking: CI
Hot Contact
Hot Contact: The sole has been tested for contact with a hot metal surface at 300°C for 60 seconds. Boot Marking: HRO
Antistatic
Antistatic: The electrical resistance of the boot falls between 100 kΩ and 1000 MΩ ensuring that any build up of static charge by the wearer will be conducted safely to earth.
Ladder Grip
Additional cleats added to the instep of the footwear to improve grip on the rungs of a ladder. Boot Marking: LG (2024 Standard)

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Product Features

Manufactured from our proprietary Hazmax™ CBRN compound, providing significantly better chemical resistance than PVC or PU materials
Chemically resistant boot certified to EN 13832-3:2018 (footwear protecting against chemicals)
Conforms to EN 943-1 (Chemical protective clothing) and certified to this standard as part of an appropriate Respirex gas-tight suit
Resistant to Chemical Warfare agents and decontamination solutions (see over for test data)
Quick & easy to decontaminate
Antistatic - Electrical resistance meets the requirements of EN ISO 20345:2022 A (0.1MΩ to 1,000MΩ)
Integral 200 Joule epoxy coated steel toecap and stainless steel penetration resistant mid-sole as standard
Also available with a composite toecap and midsole (sizes 8-13 UK / 42 - 47 EU only)
Heat resistant sole EN 20345:2022 HRO, 60 seconds at 300 °C
Cold insulation to EN ISO 20345:2022 CI
Fuel and oil resistant upper and sole
Durable, cut-resistent vulcanised rubber sole, significantly extends working life, even in harsh terrain
Cleated outsole for maximum grip in wet and oily conditions (SR)
Energy absorbing tunnel system in heel to EN 20345:2022 E
Ergonomic cushioned insole (removable & machine washable) for greater wearer comfort
Seamless construction
Kick-off lug
Adjustable height
Knitted nylon lining
CE marked on the shaft with date and year of manufacture
REACH Compliant

Chemical Warfare Agent Permeation

WARFARE AGENT	CODE	CAS NO.	METHOD	BREAKTHROUGH
CYANOGEN CHLORIDE	CK	506-77-4	ISO 6529:2013	>6 HOURS
HD MUSTARD	HD	505-60-2	TOP 8-2-501	>24 HOURS
HYDROGEN CYANIDE	AC	74-90-8	ISO 6529:2013	>8 HOURS
LEWISITE	L	40334-70-1	FINABEL 0.7.C	>24 HOURS
NOVACHOK A 234			LVAP	>24 HOURS
PHOSGENE	CG	75-44-5	ISO 6529:2013	>8 HOURS
SARIN	GB	107-44-8	Finabel 0.7C	>24 HOURS
SOMAN	GD	96-64-0	TOP 8-2-501	>24 HOURS
TABUN	GA	77-81-6	FINABEL 0.7C	>24 HOURS
TGD	TGD		TOP 8-2-501	>24 HOURS
VX	VX	50782-69-9	LVAP	>24 HOURS

our cbrn boots are based on our hazmax chemical protective compound - expand the table below for the full list of permeation data

Swipe to view data

Hazmax™

Chemical	CAS Number	Breakthrough times
acetic acid, glacial	64-19-7	>480mins
acetone	67-64-1	>120mins
acetone cyanohydrin	75-86-5	>480mins
acetonitrile	75-05-8	>360mins
acrylic acid	79-10-7	>480mins
acrylonitrile	107-13-1	>120mins
ammonia 33%	1336-21-6	>1920mins
ammonia gas	7664-41-7	>480mins
ammonium hydroxide solution 5% free NH3	1336-21-6	>1920mins
ammonium pentadecafluorooctanoate (30% in water)	3825-26-1	>1920mins
aniline	62-53-3	>480mins
arsenic acid	7778-39-4	>480mins
benzene	71-43-2	>240mins
benzyl chloride	100-44-7	>480mins
bromine	7726-95-6	>420mins
buta-1,3diene gas	106-99-0	>180mins
butyl acetate	123-86-4	>360mins
cable oil	n/a	>480mins
carbazole	86-74-8	>480mins
carbon disulphide	75-15-0	>60mins
chlorine gas	7782-50-5	>180mins
chloroacetic acid 85%	79-11-8	>1920mins
chromic acid	1333-82-0	>480mins
cyanogen chloride	506-77-4	>1920mins
cyclohexylamine	108-91-8	>480mins
dichloromethane	75-09-2	>60mins
diethylamine	109-89-7	>120mins
diethylene glycol dimethylether	111-46-6	>480mins
dimethyl formamide	68-12-2	>300mins
epichlorohydrin	106-89-8	>420mins
ethanol	64-17-5	>480mins
ethyl acetate	141-78-6	>240mins
ethylene dichloride	107-06-2	>480mins
ethylene glycol	107-21-1	>480mins
ethylene oxide	75-21-8	>120mins
ethylenediamine tetra-acetic acid tetrasodium salt (EDTA) 5%	64-02-8	>480mins
formaldehyde, 37% sol	50-00-0	>480mins
formic acid 65%	64-18-6	>480mins
GD (Soman)	96-64-0	>1440mins
heptane	142-82-5	>480mins
hexane	110-54-3	>420mins
hydrazine	302-01-2	>480mins
hydrazine 5%	302-01-2	>480mins
hydrochloric acid 37%	7647-01-0	>1920mins
hydrofluoric acid 48%	7664-39-3	>1920mins
hydrofluoric acid 73%	7664-39-3	>480mins
hydrogen chloride gas	7647-01-0	>480mins
hydrogen fluoride gas	7664-39-3	>60mins
hydrogen peroxide (10 volume (3%) solution)	7722-84-1	>480mins
hydrogen peroxide 50%	7722-84-1	>480mins
iso-butane	75-28-5	>480mins
iso-butane followed by hyrdrofluoric acid 71-75%	75-28-5 / 7664-39-3	>480mins
iso-propanol (IPA)	67-63-0	>1920mins
lewisite	541-25-3	>1920mins
m-cresol	108-39-4	>480mins
methanol	67-56-1	>480mins
methyl ethyl ketone (M.E.K) 2-butanone	78-93-3	>120mins
methyl iodide 99%	74-88-4	>60mins
methyl methacrylate	80-62-6	>180mins
methyl pyrolidone, n	872-50-4	>480mins
methylene chloride gas	74-87-3	>60mins
monochloroacetic acid	79-11-8	>480mins
mustard gas	505-60-2	>1920mins
N,N-dimethylaniline	121-69-7	>480mins
N,N-dimetyl acetamide	127-19-5	>480mins
naphalene	91-20-3	>480mins
nitric acid 50%	7697-37-2	>1920mins
nitric acid 70% conc	7697-37-2	>1920mins
nitric acid etchant 80/20	7697-37-2	>480mins
nitric acid, red fuming	7697-37-2	>240mins
nitrobenzene	98-95-3	>180mins
oleum 40% SO3	8014-95-7	>480mins
oxalic acid saturated solution	6153-56-6	>480mins
phenol 50% in methanol	108-95-2 / 67-56-1	>480mins
phenol 85% aqueous	108-95-2	>480mins
phosphoric acid 25%	7664-38-2	>1920mins
phosphoric acid 75%	7664-38-2	>1920mins
propylene oxide	75-56-9	>60mins
sarin gas	107-44-8	>1920mins
sodium cyanide 30wt%	143-33-9	>480mins
sodium hydroxide 40%	1310-73-2	>480mins
sodium hypochlorite 16%	7681-52-9	>480mins
styrene	100-42-5	>480mins
sulphuric acid 96%	7664-93-9	>480mins
tetrachloroethylene	127-18-4	>180mins
tetraethyl lead (Octel Anti Knock)	78-00-2	>480mins
tetrahydrofuran	109-99-9	>180mins
toluene	108-88-3	>240mins
toluene-2,4-diisocyanate	584-84-9	>480mins
trichloroethane	71-55-6	>360mins
trichloroethylene	79-01-6	>180mins
triethanol-amine	102-71-6	>480mins
triethylene glycol	112-27-6	>480mins
Trigonox K-80 cumyl hydroperoxide 80% / 20% cumene	80-15-9 / 98-82-8	>480mins
VX	50782-69-9	>1920mins
xylene	1330-20-7	>240mins

Certification

Chemical Protective Footwear

EN 13832-3: 2018 A,K,O,P,Q,R,T

Safety Footwear

EN ISO 20345:2022 S5 HRO SR CI FO

Personal Protective Equipment

PPE Regulation (EU) 2016/425

Care

Machine washable at up to 40°C
Shelf life of over 10 years

Sizing

Commodity Code: 6402911000

UK	3	4	5	6	7	8	9	10	11	12	13	14	15
EU	35	36	37	39	41	42	43	44	45	46	47	49	50
US	4	5	6	7	8	9	10	11	12	13	14	15	16

Workmaster™ boots are generously sized as they are designed to accommodate wearers with thicker socks or a thermal lining. We recommend downloading the A3 Size Guide below to ensure the perfect fit.

DOWNLOAD A3 SIZE GUIDE