GTB ET Enhanced Robustness Gas-Tight Suit

The fully encapsulating GTB is a Type 1A - ET enhanced robustness reusable gas-tight suit covering both the wearer and breathing apparatus. Manufactured in a choice of hard wearing reusable suit materials including;

Viton®/Butyl/Viton® (VBV), a premium coated fabric in high visibility orange DuPont™ Viton®  that provides excellent chemical protection and is the hardest wearing fabric option in the GTB suit range.

ChloroTex a high-performance laminate material with a CSM (chlorosulfonated polyethylene) rubber orange inner and red outer surface and an internal chemical barrier film. Chlorotex proves excellent chemical resistance in a comparatively lightweight but durable reusable garment material.

Laminate Viton® material consists of a polyester fabric coated one side with orange fireproof DuPont™ Viton® and one side with grey thermoplastic with an insert barrier film.
 

Materials available:

     

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Product Features

  • Encapsulating design for Self Contained Breathing Apparatus (SCBA) worn inside the suit
  • Gas-tight zip running from side of head to lower thigh, covered by double zip flap with hook & loop fastener
  • Protection against liquid & gaseous chemicals (Type 1), infective agents and chemical warfare agents
  • Inward Leakage tested to EN 1073-2:2002, Class 3 with a Nominal Protection Factor (NPF) >9090
  • Gas-tight locking cuff system for changing gloves
  • Dual glove system consisting of a Kemblok™ chemical barrier inner glove bonded to an outer neoprene glove for mechanical protection
  • Two exhalation valves maintain a comfortable working pressure inside the suit
  • Rigid chemically resistant double layer visor permitting clear undistorted vision and a wide field of view
  • Bat-wing sleeves allow wearer to remove their hand from the glove to check gauges and other equipment inside the suit
  • Adjustable internal support belt
  • Choice of fixed or detachable chemical safety boots or sock feet
  • Internal pressure test to ISO 17491-1:2012 conducted prior to despatch to confirm the suit is gas-tight
  • Fifteen year shelf-life, with internal pressure test required annually or after each use
Chemical Permeation Data
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Chemical CAS Number Viton®/Butyl/Viton® (VBV) Viton® Laminate ChloroTex
acetaldehyde 75-07-0 >480mins
acetic acid, glacial 64-19-7 >480mins
acetic anhydride 108-24-7 >480mins
acetone 67-64-1 >480mins >480mins >480mins
acetonitrile 75-05-8 >480mins >480mins >480mins
acetophenone 98-86-2 >480mins
acrylic acid 79-10-7 >480mins
acrylonitrile 107-13-1 >480mins
allyl chloride 107-05-01 >60mins
ammonia gas 7664-41-7 >480mins >480mins
ammonia solution, 35% 1336-21-6 >480mins >480mins
amyl acetate 628-63-7 >240mins
aniline 62-53-3 >480mins
aviation fuel n/a >480mins
benzene 71-43-2 >420mins
benzoyl chloride 98-88-4 >480mins
benzyl alcohol 100-51-6 >480mins
brake fluid Mobil DTE 25 n/a >480mins
bromine liquid 7726-95-6 >480mins
butadiene, 1,3- 106-99-0 >480mins
carbon disulphide 75-15-0 >480mins >480mins >480mins
chlorine gas 7782-50-5 >480mins >480mins >480mins
chlorobenzene 108-90-7 >480mins
chloroform 67-66-3 >420mins
chloromethane gas 74-87-3 >480mins
chlorosulphonic acid 7790-94-5 >480mins
cyclohexanone 108-94-1 >480mins
dibromomethane 74-95-3 >480mins
dichloromethane 75-09-2 >60mins >240mins >480mins
diethylamine 109-89-7 >60mins >480mins >480mins
dimethyl formamide 68-12-2 >480mins
dimethyl sulphate 77-78-1 >480mins
dimethylacetamide, N,N- 127-19-5 >480mins
epichlorohydrin 106-89-8 >480mins
ethanol 64-17-5 >480mins
ethyl acetate 141-78-6 >180mins >480mins >480mins
ethyl benzene 100-41-4 >480mins
ethylene oxide 75-21-8 >480mins
formaldehyde, 37% sol 50-00-0 >480mins
furfural 98-01-1 >480mins
heptane 142-82-5 >480mins >480mins
hexane 110-54-3 >480mins >480mins
hydrochloric acid 36% 7647-01-0 >480mins
hydrofluoric acid 48% 7664-39-3 >480mins
hydrofluoric acid 73% 7664-39-3 >480mins
hydrogen chloride gas 7647-01-0 >480mins >480mins >480mins
hydrogen fluoride gas 7664-39-3 >120mins
hydrogen fluoride liquid 7664-39-3 >480mins
methacrylic acid 79-41-4 >480mins
methanol 67-56-1 >480mins >480mins >480mins
methyl acrylate 96-33-3 >300mins
methyl ethyl ketone (M.E.K) 2-butanone 78-93-3 >360mins
methyl methacrylate 80-62-6 >120mins
methyl vinyl ketone 78-94-4 >480mins
nitric acid 60% - 70% 7697-37-2 >480mins
nitric acid, fuming 7697-37-2 >300mins
nitrobenzene 98-95-3 >480mins
oleum 30% 8014-95-7 >480mins
petrol - unleaded 8006-61-9 >480mins
phenol, liquid -41 °C 108-95-2 >480mins
phosgene 75-44-5 >480mins
propan-2-ol 67-63-0 >480mins
propylene oxide 75-56-9 >60mins
pyridine 110-86-1 >300mins
sodium hydroxide 40% 1310-73-2 >480mins >480mins >480mins
styrene 100-42-5 >480mins
sulphuric acid 95-98% 7664-93-9 >480mins
sulphuric acid 99% 7664-93-9 >480mins >480mins
tetrachloroethylene 127-18-4 >480mins
tetrahydrofuran 109-99-9 >30mins >480mins >480mins
toluene 108-88-3 >480mins >480mins >480mins
toluene-2,4-diisocyanate 584-84-9 >480mins
trichlorobenzene, 1,2,4- 120-82-1 >480mins
trichloroethylene 79-01-6 >480mins
triethylamine 121-44-8 >480mins
vinyl acetate 108-05-4 >300mins
xylene 1330-20-7 >480mins

Certification

TYPE 1A | EN 943-2:2019 (ET)
Gas-Tight Chemical Protective Suits for Emergency Teams

Material Performance

EN 14126:2003
Protective Clothing Against Infective Agents

Materials

Viton®/Butyl/Viton® (VBV)

ChloroTex

Viton® Laminate

Sizing

Size Chest (cm) Height (cm)
X-Small 79-88 150-164
Small 88-96 164-170
Medium 96-104 170-176
Large 104-112 176-182
X-Large 112-124 182-188
XX-Large 124-136 188-194

 








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GTB ET Enhanced Robustness Gas-Tight Suit








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