EC Marking for Chemical protective clothing

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EC Marking for Chemical protective clothing
Health Safety 07 Reebok Stadium Bolton October
2007 Ian Samson DuPont Training Specialist
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What does EC Marking mean?

• EC Marking is represented by the symbol

• EC marking is the basis of free trade in Europe
• EC Marking on a product is a manufacturer's
  declaration that the product complies with the
  essential requirements of the relevant European
  health, safety and environmental protection
  legislations, in practice by many of the
  manufacturing Directives.

• EC Marking is in place since1993

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What does CE marking involve for the manufacturer?

• To carry the CE-mark, Chemical Protective
  Clothing (cat.III) must
• pass one or more of the garment Type tests
• meet or exceed minimum requirements for the
  materials physical and chemical properties
• be correctly identified and labeled
• fulfill the basic safety and health requirements
  for PPE
• be audited by a quality audit system

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The six types of chemical protection Category III
Type 1 EN 943-1/ EN 943-2
Type 2 EN 943-1
Type 3 EN 14605
Type 4 EN 14605
Type 5 EN ISO 13982-2

Type 6 EN 13034
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DPP product range offering
Category I
Category III
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Requirements for Cat.III - CE-Marking
Fabric
Mechanical properties of the fabric
Chemical barrier of the fabric
Whole suit
Type tests
Quality audit
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Chemical protective clothing Fabric
requirements for CE-Marking
Each fabric property is ranked in performance
classes. The number of performance classes is
depending on the property max. 6 classes.
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Chemical protective clothingType 3 Norms EN
14325
only for the usage of suits at low temperatures
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Chemical protective clothingType 4 Norms EN
14325
only for the usage of suits at low temperatures
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Chemical protective clothingType 5 Norms EN
14325
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Chemical protective clothingType 6 Norms EN
14325
see list
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Fabric requirements for CE-Marking
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Whats the difference between penetration and
permeation ?
Penetration Physical process
Permeation Chemical process
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Penetration
Penetration is a process whereby liquid, gaseous
or solid substances penetrate a fabric by passing
through the pores or holes
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Repellency by liquids EN 368/ISO 6530

• Rates the repellency of liquids of a fabric by
  a specific liquid chemical
• Unit of repellency
• Three performance classes

Resistance to penetration by liquids EN 368/ISO
6530

• Rates the resistance of a fabric to penetration
  by a specific liquid chemical
• Unit of penetration
• Three performance classes
• Predefined chemical panel

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How is penetration by liquids measured?

• Resistance to penetration by liquids according to
  EN 6530/EN 368
• It gives an indication of the penetration of the
  fabric when exposed to a specific chemical.
• Unit , repellency penetration
• Exposure time 1 minute
• Amount of chemical 10 ml

Syringe
Test material
Supportive gutter
Absorptive material to take up penetrated liquid
Beaker to collect repelled liquid
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Tyvek results of the Gutter test - Penetration
data EN ISO 6530
Below detection limit CAS number for the pure
substance
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Whats permeation?

• Process where on a molecular level molecules of a
  hazard are passing through a fabric
• Absorption of molecules of liquids onto contact
  surface
• Diffusion of the asorbed molecules through
  material
• Desorption from the opposite surface

1.
3.
2.
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How is permeation measured for CE-Marking
Tested according to EN ISO 6529/EN 369/EN 374-3
Rates the resistance of a fabric to permeation by
a specific liquid chemical. Unit breakthrough
time min
Permeation rate Mass/Area Time
µg/cm² min breakthrough of mass
calculated on contact area and contact time
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Resistance to permeation by liquids EN 374-3/EN
ISO 6529/EN 369

• Rates the resistance of a fabric to permeation
  by a specific liquid or gaseous chemical
• Unit Breakthrough time in minutes
• Six performance classes

Normalised breakthrough times at 1.0 ?g/cm2.min
according to EN ISO 6529
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Typical permeation cell results
Permeation rate (µg/cm2.min )
Steady state
CE-Marking level
1.0
0,1
time (min)
Actual breakthrough
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Key learnings

• All permeation data and Gutter test results are
  supposed to compare materials
• Information on safety and safe wear time are not
  given by these data (fabric data only!)

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Whole suit requirements for CE-Marking
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Seam strength ISO 13935-2

• Measures the force to pull the seams apart
• Unit Newton
• Six performance classes

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Pre-treatment test for tightness testing
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Inward leakage testType 3

• Jet test EN 463
• ? Test conditions
• - coloured test liquid
• - surface tension 30-35 mN/m
• - pressure 1.5 bar
• - suit to be exposed,esp. seams closures
• ? Pass criteria
• Stained area is smaller 3 times than
• the calibration stain

Respiratory air supply Detector garment is
worn under protective garment being tested
Jet pistol
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Inward leakage testType 4

• Spray aerosol test EN 468
• ? Test conditions
• - coloured test liquid
• - surface tension 30 mN/m (or-5 mN/m)
• - quantity 4.7 l,
• - duration 1 min/ complete
• turn of the person
• ? Pass criteria
• Stained area is smaller than 3 times
• the calibration stain

Respiratory air supply Detector garment is
worn under protective garment being tested
4 Spray nozzles
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Inward leakage testType 5

• Particle inward leakage EN 13982-2
• ? Test conditions
• - Dust aerosol
• - Aerosol of sodium chloride
• - Particle size 0.6 µm
• - Cabin concentration 6.7 mg/m3
• - Duration 9 min standing, 9 min walking,
• 9 min squatting
• ? Pass criteria
• Inward leakage is expressed as percentage
• of the concentration of sodium chloride inside
  the
• cabin. In order to pass the test, the total
• inward leakage must be less than 15.

NaCl
Total NaCl in cabin
Flame- photometer
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Inward leakage testType 6

• Low level spray test - EN 468, modified
• ? Test conditions
• - coloured test liquid
• - surface tension 52.5 mN/m ( or -7.5 mN/m)
• - quantity 1.9 l
• - duration 1 min/complete turn
• of the person
• ? Pass criteria
• Stained area is smaller than 3 times
• the calibration stain

Respiratory air supply Detector garment is
worn under protective garment being tested
4 Spray nozzles
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Where can I find CE type testing results?

• Look at the neck label or the Instructions for
  use of the garment, which is a legal document
• Visit the dpp-europe.com internet site
• You can directly download our instructions for
  use for each product
• Note that the manufacturer is under obligation
  to
• state to what type a suit corresponds
• indicate what performance levels the material
  characteristics of a suit meet.
• under the audit of a notified body (cat. III)

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Instruction for Use Leaflet

• Official document, regularly controlled by the
  notified body
• Contains all CE-required test results
• Availalbe depending on product category
• Manufacturer minimum requirement one per box or
  case . DuPont one per garment
• Documents available on
• www.dpp-europe.com

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EC Marking for chemical protective clothing
Health Safety 07 Reebok Stadium Bolton October
2007 Ian Samson Tel [phone]