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Formaldehyde – CH2O

Find here essential information on formaldehyde – also known as methyl aldehydemethanol, or formol – (CH2O ): characteristics, effects on health, detection devices & systems (CH2O gas detector) and proper respiratory protective equipment (gas mask or full PAPR with B-P3 combined filter).

Formaldehyde detector and CH2O respiratory protection for safety

Formaldehyde properties

Formaldehyde (CH2O) – also known as methyl aldehydemethanol or formol – is naturally present in incomplete combustion with carbon (forest fires, thermal engines, tobacco smoke…). This gas is used for many applications like in agriculture (insecticide), wood industry (plywood panels), building construction (insulation panels, paints, glues), food industry (food preservation), or pharmaceutical sector (disinfectant).

CASTWA (8 hours)STEL (15 minutes)LELIPDensity / AirFilter / SCBA
50-00-00.5 ppm1 ppm7.0 %10.88 eV1.04B-P3

Formaldehyde effects on health

Formaldehyde (CH2O) is a colorless gas with a pungent and suffocating smell. This gas is very toxic by inhalation (R23), in contact with skin (R24), or if swallowed (R25) and can cause burns (R34). Featuring explosive limits between 7 and 73% volume, this gas is flammable and explosive. It can form explosive mixtures or enhance the explosive potential of other mixtures. The IARC* exposed a link between formaldehyde vapor explosivity and carcinogenic effects (R40).

*IARC: International Agency for Research on Cancer (depends on WHO World Health Organization)

Formaldehyde exposure effects on health - CH2O gas

Formaldehyde exposure effects on health (CH2O)

Formaldehyde detector - CH2O

Despite its pungent and suffocating smell, only a formaldehyde detector can accurately measure concentrations of this very toxic gas. It is recommended to use a portable or fixed ppm or ppb formaldehyde gas detection device or system.

The colorimetric gas detection tube system is a simple and accurate solution composed by a manual sampling pump and a specific gas detection tube. They are designed for use together.

  • Gas detector tubes Colorimetric tube
  • Accurate: the sampling pump features a mechanical accuracy piston which creates a vacuum then enables direct reading on the colored tube (colorimetric tube)
  • Swift: one or two pump strokes are enough to draw sample and the value can be directly read on the tube
  • User-friendly: no knowledge, no specific process and no technical competence are required

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Colorimetric tubes

The colorimetric gas detection tube system is a simple and accurate solution composed by a manual sampling pump and a specific gas detection tube. They are designed for use together.

Gas detector tubes Colorimetric tube
  • Accurate: the sampling pump features a mechanical accuracy piston which creates a vacuum then enables direct reading on the colored tube (colorimetric tube)
  • Swift: one or two pump strokes are enough to draw sample and the value can be directly read on the tube
  • User-friendly: no knowledge, no specific process and no technical competence are required

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The PAC® 8000 portable gas detector can accurately monitor concentrations of special gases like phosgene (COCl2), organic vapors (OV), carbon dioxide (CO2), ozone (O3) and nitrogen oxide (NO).

  • The Drager PAC 8000 portable special gas detector
  • Can detect lower gas concentrations (starting at 0.01 ppm for COCl2).
  • Intuitive operation with large backlit display.
  • Data recording (concentration levels and alarm events).
  • 360° alarm (90 dB signal, LED lights, vibrating alarm).
  • ATEX, CE, IECEx, cCSAus approved.

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Portable special gas detector PAC 8000

The PAC® 8000 portable gas detector can accurately monitor concentrations of special gases like phosgene (COCl2), organic vapors (OV), carbon dioxide (CO2), ozone (O3) and nitrogen oxide (NO).

The Drager PAC 8000 portable special gas detector
  • Can detect lower gas concentrations (starting at 0.01 ppm for COCl2).
  • Intuitive operation with large backlit display.
  • Data recording (concentration levels and alarm events).
  • 360° alarm (90 dB signal, LED lights, vibrating alarm).
  • ATEX, CE, IECEx, cCSAus approved.

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Portasens II is a rare gases leak detector with interchangeable sensors. This calibration-free detector is equipped with an internal sampling pump to accurately monitor around thirty gases.

  • Portable gas detector PortasenseII
  • Gas leak detection of alcohol, B2H6, Br2, C2H2, CH2O, Cl2, ClO2, CO, COCl2, F2, acid gas, GeH4, H2, H2O2, H2S, HCl, HF, NH3, NO, NO2, O2, O3, PH3, SiH4
  • Power supply: D alkaline battery (75 hours runtime) and rechargeable battery
  • 3 visual and audible alarms (alarm 1, alarm 2 and adjustable alarm)
  • Outputs: RS232 for data downloading on a PC
  • Additional information
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Rare gases leak detector – PORTASENS II

Portasens II is a rare gases leak detector with interchangeable sensors. This calibration-free detector is equipped with an internal sampling pump to accurately monitor around thirty gases.

Portable gas detector PortasenseII
  • Gas leak detection of alcohol, B2H6, Br2, C2H2, CH2O, Cl2, ClO2, CO, COCl2, F2, acid gas, GeH4, H2, H2O2, H2S, HCl, HF, NH3, NO, NO2, O2, O3, PH3, SiH4
  • Power supply: D alkaline battery (75 hours runtime) and rechargeable battery
  • 3 visual and audible alarms (alarm 1, alarm 2 and adjustable alarm)
  • Outputs: RS232 for data downloading on a PC
Additional information

PortaSense II gas leak detector is a single-gas detector to monitor rare gases. This device is powered with a D alkaline battery for around 75 hours runtime and an internal Nicad battery with an autonomy of around 6 hours.

The PortaSense gas leak detector can detect many gases thanks to its large range of interchangeable sensors. Majors detected gases are: alcohol, B2H6, Br2, C2H2, CH2O, Cl2, ClO2, CO, COCl2, F2, acid gas, GeH4, H2, H2O2, H2S, HCl, HF, NH3, NO, NO2, O2, O3, PH3, SiH4. In complement to this detected gases, this monitor features different measuring ranges for every gas.

The PortaSense II primarily detect gas leaks with its integrated sampling pump. This enables accurate measurements of hazardous gas concentrations. This gas leak detector with interchangeable sensors is moreover calibration-free, which makes it very versatile.

This single-gas detector features audible and audible alarms with 3 levels: caution, warning, and alarm with adjustable setpoints. A fourth alarm will indicate a low flow or low battery.

Thanks to its internal memory, the detector can record event data during 8 days with 1 minute interval. Furthermore, Portasense II features an RS32 output to connect a PC for data downloading.

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B12 2 wire transmitter with 4-20 mA output for use in environments with up to 100% relative humidity.

  • Fixed gas detector B12
  • Power supply: from 12 to 28 VDC – low consumption
  • Measuring range: 0-10/100 ppm or 0-200/2,000 ppm
  • Corrosion-resistant sensor
  • Direct real-time measure of H2O2 concentration
  • Operating temperature: between 0 and 50°C
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HYDROGEN PEROXYDE DETECTOR – B12

B12 2 wire transmitter with 4-20 mA output for use in environments with up to 100% relative humidity.

Fixed gas detector B12
  • Power supply: from 12 to 28 VDC – low consumption
  • Measuring range: 0-10/100 ppm or 0-200/2,000 ppm
  • Corrosion-resistant sensor
  • Direct real-time measure of H2O2 concentration
  • Operating temperature: between 0 and 50°C
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CH2O respiratory protection - Formaldehyde respirator mask

As CH20 is irritant to the eyes, it is recommended to use a formaldehyde respirator like a full face mask for short interventions or a much more comfortable powered air purifying respirator equipped with a B-P3 combined filter. If concentrations exceed 60 times the OEL, a self-contained breathing apparatus (SCBA) is required.

The Proflow2 PAPR is a compact and lightweight device featuring a curved backplate for user comfort during long-term applications. This powered air purifying respirator is available in 120L/min or 160L/min versions.

  • complete Scott Safety PAPR powered-air-purifying Proflow2
  • DIN40 standard filters compatible with single-cartridge masks.
  • From 7 to 15 hours runtime depending on the face piece.
  • 70 dB audible low battery alarm.
  • Compatible with many face pieces.
  • Certifications: complies with EN12941 and 12942 standards.
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Powered air purifying respirator PROFLOW 2

The Proflow2 PAPR is a compact and lightweight device featuring a curved backplate for user comfort during long-term applications. This powered air purifying respirator is available in 120L/min or 160L/min versions.

complete Scott Safety PAPR powered-air-purifying Proflow2
  • DIN40 standard filters compatible with single-cartridge masks.
  • From 7 to 15 hours runtime depending on the face piece.
  • 70 dB audible low battery alarm.
  • Compatible with many face pieces.
  • Certifications: complies with EN12941 and 12942 standards.
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The Duraflow powered air respirator is a versatile solution for hazardous workspaces. It provides a quality respiratory protection for a fair price.

  • The powered air purifying respirator Duraflow PAPR
  • Compatibility with RD DIN 40 universal filter cartridges
  • Rechargeable battery – 2 available version: 8 or 16 hours runtime
  • Automatic airflow regulation (160l/min)
  • Visual alarms, notifications and display
  • CEN1294 & CE0086 certified, IP55/IP67

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Powered air purifying respirator Duraflow

The Duraflow powered air respirator is a versatile solution for hazardous workspaces. It provides a quality respiratory protection for a fair price.

The powered air purifying respirator Duraflow PAPR
  • Compatibility with RD DIN 40 universal filter cartridges
  • Rechargeable battery – 2 available version: 8 or 16 hours runtime
  • Automatic airflow regulation (160l/min)
  • Visual alarms, notifications and display
  • CEN1294 & CE0086 certified, IP55/IP67

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Sigma self-contained breathing apparatus from SCOTT Safety combines highest respiratory protection levels to a cost-effective and user-friendly equipment to meet industrial and marine sectors requirements.

  • High performance pneumatic system
  • Ultra-compact demand valve triggered from first breath
  • Lighweight and ergonomic backplate and fireproof harness
  • Possibility to switch to demand constant flow
  • Large range of full face masks: Vision 3, Promask PP and Panaseal
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Self-contained breathing apparatus – SIGMA

Sigma self-contained breathing apparatus from SCOTT Safety combines highest respiratory protection levels to a cost-effective and user-friendly equipment to meet industrial and marine sectors requirements.

Self-contained breathing apparatus SIGMA
  • High performance pneumatic system
  • Ultra-compact demand valve triggered from first breath
  • Lighweight and ergonomic backplate and fireproof harness
  • Possibility to switch to demand constant flow
  • Large range of full face masks: Vision 3, Promask PP and Panaseal
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The SARI gas mask provides operating comfort and efficient protection against toxic gases and particles (solid, radioactive, smokes), bacteria and virus.

  • Compatible with PRO2000 filter range (gas, particle and combined)
  • Central phonic membrane for easy communication
  • Compatible with powered air equipment
  • Internal mask with non-return and anti-fog valves, reduces CO2
  • Fully adjustable 5 points harness for improved operating comfort
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Full face gas mask – SARI

The SARI gas mask provides operating comfort and efficient protection against toxic gases and particles (solid, radioactive, smokes), bacteria and virus.

masque sari contre les gaz toxiques et vapeurs chimiques
  • Compatible with PRO2000 filter range (gas, particle and combined)
  • Central phonic membrane for easy communication
  • Compatible with powered air equipment
  • Internal mask with non-return and anti-fog valves, reduces CO2
  • Fully adjustable 5 points harness for improved operating comfort
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