ChemMax 1EB Coverall Type 3&4
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ChemMax 1EB Coverall with single zip & storm flap and elasticated hood, cuffs, waist & ankles and thumb loops
- Very lightweight, soft and flexible fabric.
- Coverall with elasticated hood, cuffs, waist and ankles, single zip and storm flap and thumb loops
- Low noise level – improved comfort and safety.
- Stitched and taped seams.
- Very cost effective Type 3 & 4 chemical protection.
- Infectious Agent Barrier – passes at highest classes in all four EN 14126 bio-hazard tests (This version of ChemMax 1 was used extensively by UK Government health workers in 2015 West African Ebola Crisis).
- Added thumb loops.
- Use for Type 4 liquid spray protection – or add additional tape to the zip flap for Type 3 protection. Improved Super-B style coverall: superior fit, wearability and durability.
- ChemMax1EB was used by the US Government DFID relief effort in Sierra Leone for protection of front-line health workers during the 2014-15 Ebola Outbreak in West Africa
Features: Tape sealed seams, Storm flap over zipper, Elasticated hood, waist, cuffs and ankles, “Super B“ pattern
ChemMax® 1 Physical Properties
| Physical Property | Test Method | Units | Test Results |
| Abrasion Resistance | EN 530 | Cycles | >100 cycles/Class 2 |
| Burst Strength | ISO 2960 | Kilopascal | 79kPa / Class 1 |
| Flex Cracking Resistance | ISO 7854 | Cycles | <2500 Cycles / Class 1 |
| Hydrostatic Head | ISO 811 | – | |
| Puncture Resistance | EN 863 | Newtons | 10.9N / Class 2 |
| Resistance to Ignition | EN 13274-4 | – | |
| Seam Strength | EN 5082 | Newtons | 170N / Class 4 |
| Tensile Strength – cd | ISO 13934 | Newtons | 66N / Class 2 |
| Tensile Strength – md | ISO 13934 | Newtons | 110N / Class 3 |
| Trapezoidal Tear – cd | EN 9073 | Newtons | 43N / Class 3 |
| Trapezoidal Tear – md | EN 9073 | Newtons | 57N / Class 3 |
| Trapezoidal Tear – mean | EN 9073 | Newtons | 50N / Class 3 |
ChemMax® 1 Permeation Data
| Challenge Chemical | CAS Number | Physical State | Normalized Breakthrough Time |
| Acetone | 67-64-1 | Immediate | |
| Acetonitrile | 75-05-8 | >480 | |
| Carbon Disulphide | >480 | ||
| Dichloromethane | 75-09-2 | Immediate | |
| Diethylamine | 109-89-7 | Immediate | |
| Ethyl Acetate | 141-78-6 | Immediate | |
| Methanol | 67-56-1 | 210 | |
| n-Hexane | 110-54-3 | Immediate | |
| Sodium Hydroxide | >480 (50%) | ||
| Sulfuric Acid, 96% | >480 | ||
| Tetrahydrafuran | Immediate | ||
| Toluene | 108-88-3 | Liquid | Immediate |
| Jet Fuel A | N/A | Liquid | IMM |
| JP-8 | N/A | Liquid | |
| Sodium Cyanide | 143-33-9 | Liquid | >480 |
NOTE: Permeation test data relates to “Normalised Breakthrough” which measures the time for the permeation rate to reach a specific speed (In CE EN 6529 testing, 1.0µg/min/cm2 and in US ASTM F739 testing, 0.1µg/min/cm2). This does not indicate when the chemical first breaks through the fabric and is not an indication of how long the suit can be safely used as the chemical may have permeated through the fabric before the Normalised Breakthrough time. This might be critical in cases of chemicals with high toxicity.
| XS to 4XL | X-Small, Small, Medium, Large, XL, 2XL, 3XL, 4XL |
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