ChemMax® 4 Plus Coverall - double zip & storm flap, double cuffs and attached socks/boot overflap

Style Number: CT4S430

Works with Lakeland’s PermaSURE®; on-line tool providing instant safe-use times for over 4000 chemicals. Multi-layer, high barrier films laminated to spunbonded PP substrate - 190gsm. Tough and durable fabric – can be used multiple times if undamaged and un-contaminated. Extruded fabric construction. Results in smoother and more consistent fabric than bonded or glued competitors.

  • Superior softness and flexibility and more consistent chemical barrier (no ‘pinching’ or thinner bond points as seen in competitor fabrics).
  • European manufactured fabric - developed by a leading UK producer of military and civil defence chemical warfare protective materials
  • Tested against a full range of chemical warfare agents for anti-terror and civil defence operations.
  • Coverall with double cuffs and attached socks with boot overflaps.
  • Soft and flexible material compared to other garments of a similar protection level.
  • Cushioned double-layer knee pads for increased comfort and safety.
  • Available in yellow (CT4SY430PS) as standard. Not all styles available from stock.
  • Available in green (CT4SG430PS) and khaki (CT4SK430PS) to order with minimum order quantities. Contact us for more details.
  • Improved Super-B style coverall: superior fit, wearability and durability.

Features: Tape sealed seams, Elastic waist, Attached sock boots with boot flaps, Double zip / storm flap front fastening, "Super B“ pattern, Elastic face and wrists

SM - 3XL
Case Size
10 /case


ChemMax® 4 Plus Physical Properties
Physical PropertyTest MethodUnitsTest Results
Abrasion ResistanceEN 530Cycles2000 Cycles / Class 6
Tensile StrengthEN 13934-2Newtons215N / 150N - Class 3
Tensile Strength - cdEN 13934-2Newtons150N / Class 3
Trapezoidal Tear - cdISO 9073Newtons101N / Class 5
Trapezoidal Tear - mdISO 9073Newtons101N / Class 5
Trapezoidal Tear - MeanISO 9073Newtons90N / Class 4
Puncture ResistanceEN 863Newtons15.4N / Class 2
Flex CrackingISO 7854Cycles1000 Cycles / Class 1
Flex Cracking at -30CISO 7854Cycles200 Cycles / Class 2
Seam StrengthEN 13935Newtons125N / Class 4
ChemMax® 4 Plus Permeation Data
Challenge ChemicalCAS NumberPhysical StateNormalized Breakthrough Time
2,3 Dichloro- 1Propene78-88-6Liquid>480
2,4-dichlorophenoxy Acetic Acid94-75-7Liquid>480
Acetic Acid64-19-7Liquid>480
Acetyl Chloride75-36-5Liquid>480
Acrylic Acid79-10-7Liquid>480
Allyl Chloride107-05-1Liquid>480
Ammonium Fluoride12125-01-8Liquid>480