943-1 :2002 (UNI EN 943- 1:2003)
Protective clothing against liquid and gaseous chemicals, including liquid aerosols and solid particles
Performance requirements for ventilated and non-ventilated gas-tight (Type 1) and non-gas-tight (Type 2) chemical protective suits
Performance requirements for ventilated and non-ventilated gas-tight (Type 1) and non-gas-tight (Type 2) chemical protective suits
NOTE: – The text of the standard refers to prEN 943-1:2001, now EN 943-1:2002
“Gas-tight” chemical protective suit
Type 1-a
with a breathable air supply, independent of the ambient atmosphere (e.g. a self-contained open-circuit compressed air breathing apparatus), worn inside the suit
Type 1-b
with a breathable air supply, independent of the ambient atmosphere (e.g. a self-contained open-circuit compressed air breathing apparatus), worn outside the suit.
Type 1-c
with a breathable air supply assuring positive pressure (e.g. airlines)
“Non gas-tight” chemical protective suit”
Type 2
with a breathable air supply assuring positive pressure (e.g. airlines).
REQUIREMENTS TABLE
LEAK-TIGHTNESS TEST
test according to EN 464 applicable to Types 1a, 1b and 1c Pressure drops must not exceed 300 Pa (3 mbar) in 6 min.
INWARD LEAK TIGHTNESS
test according to Appendix A EN 943-1 applicable to Types 1b (in addition to EN 464 where the face mask is not permanently fixed to the suit), 1c and 2
MARKING
Chemical
Marking according to EN 340 – Marking for chemical hazards
Type 1a ET
– EN 943-1:2002
– Type of protective clothing(*)
– Type of protective clothing(*)
Information
– The number and date of the relevant European standard if the chemical protective suit is also submitted to tests for additional hazards (e.g. resistance to heat and flames, mechanical impacts, poor visibility)
– year of manufacture and, where appropriate, the date of expiry (it may be on the packaging)
– The “read instructions for use” pictogram
(*)= the pictogram shown is optional and the property of INDUTEX
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