ChemMax® is constructed with a unique polyethylene barrier film and a continuous filament polypropylene nonwoven. ChemMax® 1 garments bar many harmful contaminants from penetrating to inner clothing. ChemMax® fits the Lakeland standard at a price you can afford.

  • Coverall
  • Zipper
  • Attached hood
  • Elastic wrists and ankles
  • Case: 25
  • Style Number C5428
SKU: C5428 Category:


Broadest range of products and fabrics

From Disposables to Chemical, Reflective to Hand and Arm, Flame/Arc Flash Resistant and Fire Service/EMS, no one else in the Protective Apparel Industry can offer such comprehensive product and fabric choices- or the expertise to guide you. All under one roof.


  • ChemMax 1 Physical Properties

    Physical Property Test Method Units Test Results
    Basis Weight ASTM D3776 oz./y2 4.3 oz./yd2
    Grab Tensile MD ASTM D5034 lbs. 47.0 lbs.
    Grab Tensile XD ASTM D5034 lbs. 33.9 lbs.
    Trapezoidal Tear MD ASTM D5733 lbs. 29.95 lbs.
    Trapezoidal Tear CD ASTM D5733 lbs. 12.47 lbs.
    Ball Burst ASTM D3787 lbs. 48 lbs.

    Permeation Data for ASTM Recommended List of Chemicals for Evaluating Protective Clothing Materials (ASTM F1001)

    Challenge Chemical CAS Number Physical State ChemMax® 1
    Acetone 67-64-1 Liquid imm.
    Acetonitrile 75-05-8 Liquid imm.
    Ammonia Gas 7664-41-7 Gas imm.
    1,3-Butadiene Gas 106-99-0 Gas imm.
    Carbon Disulfide 75-15-0 Liquid imm.
    Chlorine Gas 7782-50-5 Gas imm.
    Dichloromethane 75-09-2 Liquid imm.
    Diethylamine 109-89-7 Liquid imm.
    Dimethyl Formamide 68-12-2 Gas 40 minutes
    Ethyl Acetate 141-78-6 Liquid imm.
    Ethylene Oxide Gas 75-21-8 Gas imm.
    n-Hexane 110-54-3 Liquid imm.
    Hydrogen Chloride Gas 7647-01-0 Gas imm.
    Methanol 67-56-1 Liquid imm.
    Methyl Chloride Gas 74-87-3 Gas imm.
    Nitrobenzene 98-95-3 Liquid 45 minutes
    Sodium Hydroxide, 50% 1310-73-2 Liquid >480
    Sulfuric Acid, 98% 7664-93-9 Liquid >480
    Tetrachloroethylene 127-18-4 Liquid imm.
    Tetrahydrofuran 109-99-9 Liquid imm.
    Toluene 108-88-3 Liquid imm.